Data Sheet

ManualsBrandsWÜRTH ELEKTRONIK ManualsPSU ComponentsDC/DC converter (SMD) 1.5 A No. of outputs: 1 x

WPMDH1152401 / 171012402

MagI

C Power Module

VDRM – Variable Step Down Regulator Module

we-online.com Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 2.0

6V – 42V / 2A / 5V – 24V Output

DESCRIPTION

The VDRM series of the MagI³C Power Module family

provides a fully integrated DC-DC power supply including

the buck switching regulator and inductor in a package.

The 171012402 offers high efficiency and delivers up to

2A of output current. It operates from 6V input voltage up

to 42V. It is designed for fast transient response.

It is available in an innovative industrial high power

density TO263-7EP (10.16 x 13.77 x 4.57mm) package

that enhances thermal performance and allows for hand

or machine soldering.

The VDRM regulators have an integrated protection

circuit that guards against thermal overstress and

electrical damage by using thermal shut-down,

overcurrent, short-circuit, overvoltage and undervoltage

protection.

TYPICAL APPLICATIONS

 Point-of-Load DC-DC applications from 12V and 24V

industrial rails

 Industrial, test & measurement, medical applications

 System power supplies

 DSPs, FPGAs, MCUs and MPUs supply

 I/O interface power supply

TYPICAL CIRCUIT DIAGRAM

FEATURES

 Peak efficiency above 97%

 Current capability up to 2A

 Input voltage range: 6V to 42V

 Output voltage range: 5V to 24V

 Reference accuracy: ±2%

 No minimum load required

 Integrated shielded inductor solution for quick time to

market and ease of use

 Single exposed pad for best-in-class thermal

performance

 Low output voltage ripple (≤ 10mV

)

 Adjustable switching frequency: 0.2 to 0.8 MHz

 Low ripple Constant On-Time control

 Synchronous operation

 Automatic power saving operation at light load

 Undervoltage lockout protection (UVLO)

 Adjustable soft-start

 Thermal shutdown

 Short circuit protection

 Cycle-by-cycle current limit

 Output overvoltage protection

 Pin compatible with 171012401, 171032401,

171010601, 171020601 and 171030601

 Operating ambient temperature up to 105°C

 RoHS and REACh compliant

 Operating junction temp. range: -40 to 125°C

 Mold compound UL 94 Class V0 (flammability

testing) certified

 Complies with EN55022 class B radiated emissions

standard

263

RON

VIN

EN PGND SS

VOUT

Module

FBT

FBB

OUT

AGND

OUT

GND

Summary of content (54 pages)

PAGE 1
WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module 6V – 42V / 2A / 5V – 24V Output DESCRIPTION FEATURES The VDRM series of the MagI³C Power Module family provides a fully integrated DC-DC power supply including the buck switching regulator and inductor in a package.        The 171012402 offers high efficiency and delivers up to 2A of output current. It operates from 6V input voltage up to 42V. It is designed for fast transient response.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module PACKAGE EP Exposed Pad = PGND 6 7 7 6 5 4 Top View SS AGND FB VOUT 7 FB 7 VOUT 6 3 2 1 VIN 5 6 EN 4 SS EN 3 AGND VIN 2 RON 1 RON YMLLLLG3 WPMDH 1152401JT Bottom View MARKING DESCRIPTION Marking WE Y M LLLL G3 WPMDH 1152401JT Description Würth Elektronik tradename Year Month Assembly lot code Lead finish code per Jedec Norm (green 3 mat sin) Würth Part Description (part 1) Würth Part D
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module ORDERING INFORMATION ORDER CODE PART DESCRIPTION SPECIFICATIONS PACKAGE PACKAGING UNIT 171012402 WPMDH1152401JT 2A / 5-24Vout version TO263-7EP Tape and Reel, 250 pieces 178012402 WPMDH1152401JEV 2A / 5-24Vout version Eval Board 1 PIN COMPATIBLE FAMILY MEMBERS ORDER CODE PART DESCRIPTION SPECIFICATIONS PACKAGE PACKAGING UNIT 171012401 WPMDH1102401JT 1A / 5-24Vout version TO263-7EP Tape and Reel,
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module ABSOLUTE MAXIMUM RATINGS Caution: Exceeding the listed absolute maximum ratings may affect the device negatively and may cause permanent damage. SYMBOL VIN, RON EN, FB, SS VESD TJ LIMITS PARAMETER UNIT MIN (1) MAX (1) Input voltage, On-time resistor -0.3 43.5 V Enable, Feedback, Soft-start input -0.3 7.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module ELECTRICAL SPECIFICATIONS MIN and MAX limits are valid for the recommended junction temperature range of -40°C to 125°C. Typical values represent statistically the utmost probable values at the following conditions: VIN = 24V, VOUT = 12V, TA = 25°C, unless otherwise specified. SYMBOL PARAMETER TEST CONDITIONS MIN (1) TYP (4) MAX (1) UNIT 2.40 3.20 3.95 A 0.786 0.803 0.818 V 0.784 0.804 0.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module ELECTRICAL SPECIFICATIONS MIN and MAX limits are valid for the recommended junction temperature range of -40°C to 125°C. Typical values represents statistically the utmost probability at following conditions: V IN = 24V, VOUT = 12V, TA = 25°C, unless otherwise specified.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module NOTES (1) Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control (SQC) methods. (2) The human body model is a 100pF capacitor discharged through a 1.5 kΩ resistor into each pin. Test method is per JESD-22-114.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module TYPICAL PERFORMANCE CURVES If not otherwise specified, the following conditions apply: V IN = 24V; CIN = 10µF X5R ceramic; COUT = 30µF X5R ceramic, RON = 182kΩ, TAMB = 25°C. RADIATED AND CONDUCTED EMISSIONS 70 Radiated Emissions 171012402 (3m Antenna Distance) VIN = 24V, VOUT = 12V, ILOAD = 2A with input filter 4.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module EFFICIENCY 171012402 V IN = 24V, fSW =500kHz, TA = 25°C 100 95 90 Efficiency [%] 85 80 75 Vout = 12V 70 Vout = 5V 65 60 55 50 0 0,25 0,5 0,75 1 1,25 1,5 1,75 2 Output Current [A] 171012402 VIN = 24V, fSW =500kHz, TA = 85°C 100 95 90 Efficiency [%] 85 80 75 Vout = 12V 70 Vout = 5V 65 60 55 50 0 0,25 0,5 0,75 1 1,25 1,5 1,75 2 Output Current [A] we-online.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module EFFICIENCY 171012402 V IN = 36V, fSW =500kHz, TA = 25°C 100 95 90 Efficiency [%] 85 80 75 Vout = 24V 70 Vout = 12V Vout = 5V 65 60 55 50 0 0,25 0,5 0,75 1 1,25 1,5 1,75 2 Output Current [A] 171012402 V IN = 36V, fSW =500kHz, TA = 85°C 100 95 90 Efficiency [%] 85 80 75 Vout = 24V 70 Vout = 12V Vout = 5V 65 60 55 50 0 0,25 0,5 0,75 1 1,25 1,5 1,75 Output Current [A] we-online.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module POWER DISSIPATION 171012402 VIN = 24V, fSW =500kHz, TA = 25°C 2,20 2,00 Power Dissipation [W] 1,80 1,60 1,40 1,20 1,00 Vout = 12V 0,80 Vout = 5V 0,60 0,40 0,20 0,00 0 0,25 0,5 0,75 1 1,25 1,5 1,75 2 Output Current [A] 171012402 VIN = 24V, fSW =500kHz, TA = 85°C 2,20 2,00 Power Dissipation [W] 1,80 1,60 1,40 1,20 1,00 Vout = 12V 0,80 Vout = 5V 0,60 0,40 0,20 0,00 0 0,25 0,5 0,75 1 1,25 1,5 1,
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module POWER DISSIPATION 171012402 VIN = 36V, fSW =500kHz, TA = 25°C 2,80 2,60 2,40 Power Dissipation [W] 2,20 2,00 1,80 1,60 1,40 Vout = 24V 1,20 Vout = 12V 1,00 Vout = 5V 0,80 0,60 0,40 0,20 0,00 0 0,25 0,5 0,75 1 1,25 1,5 1,75 2 Output Current [A] 171012402 V IN = 36V, fSW =500kHz, TA = 85°C 2,80 2,60 2,40 Power Dissipation [W] 2,20 2,00 1,80 1,60 1,40 Vout = 24V 1,20 Vout = 12V 1,00 Vout = 5V 0,80
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module OUTPUT POWER DERATING 171012402 Current Thermal Derating VIN = 12V, V OUT = 5V, fSW = 500kHz, θJA = 16°C/W 2,2 2,0 Output current [A] 1,8 1,6 1,4 1,2 1,0 0,8 0,6 0,4 125°C 104°C 0,2 0,0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 Ambient Temperature [°C] 171012402 Current Thermal Derating VIN = 24V, VOUT = 12V, fSW = 500kHz, θJA = 16°C/W 2,2 2,0 Output current [A] 1,8 1,6 1,4 1,2 1,0 0,8 0,6 0,4 97
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module 171012402 Current Thermal Derating VIN = 36V, V OUT = 12V, fSW = 500kHz, θJA = 16°C/W 2,2 2,0 Output current [A] 1,8 1,6 1,4 1,2 1,0 0,8 0,6 0,4 92°C 0,2 125°C 0,0 0 10 20 30 40 50 60 70 80 90 100 110 120 130 Ambient Temperature [°C] 171012402 Current Thermal Derating VIN = 36V, V OUT = 24V, fSW = 500kHz, θJA = 16°C/W 2,2 2,0 Output current [A] 1,8 1,6 1,4 1,2 1,0 0,8 0,6 0,4 123°C 87°C 0,2 0,0 0
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module LINE AND LOAD REGULATION 171012402 Line Regulation VOUT = 12V, IOUT = 2A, TA = 25°C 12,1 Output voltage [V] 12,05 12 11,95 11,9 16 18 20 22 24 26 28 30 32 34 36 38 40 42 Input Voltage [V] 171012402 Load Regulation VIN = 24V, V OUT = 12V, TA = 25°C 12,1 CCM operation DCM operation Output voltage [V] 12,05 12 11,95 11,9 0 0,25 0,5 0,75 1 1,25 Output Current [A] we-online.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module BLOCK DIAGRAM Power Module Linear Regulator CVCC CBST 15µH 1 VIN VIN VOUT 7 VOUT HSS CIN 0.47µF RFBT RON VIN UVLO CSS AGND 2 RON 5 SS Controller/ Power Control/ Protection Circuitry CFF COUT LSS Comparator EN AGND PGND 3 4 EP VREF 0.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module DESIGN FLOW The next 7 simple steps show how to select the external components to design your power application. Essential Steps 1. 2. 3. 4. 5. 6. Set the output voltage Set the operating frequency with RON Select the input capacitor Select the output capacitor Select the feed forward capacitor Select the soft-start capacitor Optional Steps 7. Select the undervoltage lockout divider 1 VIN RON 2. 3.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Step 1 Set the output voltage (VOUT) The output voltage is determined by a divider of two resistors connected between VOUT and ground. The midpoint of the divider is connected to the FB input. The voltage at FB is compared to a 0.8V internal reference. In normal operation, an ontime cycle is initiated when the voltage on the FB pin falls below 0.8V.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module All considerations mentioned above are summarized in the diagram below. The curves depict the relation between the switching frequency and the RON for some typical output voltages. For the switching frequency, only the range indicated in the “ELECTRICAL SPECIFICATIONS” section on page 5 (from 200kHz to 800kHz) is considered.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Step 3 Select the input capacitor (CIN) The MagI³C power module contains an internal 0.47μF input ceramic capacitor. The module requires additional, external input capacitance to handle the input current ripple. This input capacitance should be located as close as possible to the MagI³C power module. Input capacitor selection is generally based on different requirements. The first criteria is the input current ripple.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Step 4 Select output capacitor (COUT) L HS Mosfet IL Iout VCOUT VIN COUT CIN VOUT LS Mosfet VES R RLoad ESR None of the required output capacitors are integrated within the module. A general recommendation in order to guarantee a stable behavior is to place at least a capacitance of 10µF (MLCC recommended) at the output.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module The use of very low ESR capacitors leads to an output voltage ripple as shown below (generic waveform): Output voltage ripple with low ESR capacitors Output voltage ripple [mV] 10 5 0 -5 -10 0 1 2 3 time [µs] When capacitors with slightly higher ESR are utilized, the dominant parameter that influences the output voltage ripple is just the ESR: ESR≤ VOUT ripple ∆IL (12) Consequently, the shape of the outpu
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Selection by load step requirements The output voltage is also affected by load transients (see picture below). The constant on-time control scheme generally provides faster response than the other control loops. When the output current transitions from a low to a high value, the voltage at the output capacitor (VOUT) drops due to two contributing factors.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module The second contributing factor is the voltage drop due to the discharge of the output capacitor. In order to estimate this contribution, the behavior of the inductor current during the transient should be analyzed (see picture below, ESR contribution neglected). At the transition, the device tries to reach the new steady state as fast as possible by increasing the inductor current.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module The same equation can be used for calculating the minimum required capacitance for an output current transition from high to low (see picture below). Since the inductor current must reach the new steady state with a lower value than before, there is no need to trigger a new on-time cycle. Instead, the off-time is extended until the average inductor current reaches the new load current value.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Example The following application conditions are used as an example to show how to calculate a suitable COUT value: - VIN = 24V VOUT = 12V RON = 182kΩ (fSW = 500kHz) Load transient from 0.5A to 2A and vice versa (∆IOUT = 1.5A) Max allowed undershoot or overshoot ∆VOUT = 120mV COUT can be calculated using the equation (15) on page 24.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module The results of the load transient tests with the selected COUT are shown below: Load Transient from 0.5A to 2A 4 200 Output Current [A] 3 100 50 VOUT IOUT2 2 0 ∆VOUT = 89mV -50 1 -100 IOUT1 Output Voltage AC [mV] 150 -150 0 -200 0 20 40 60 80 100 120 140 160 180 200 220 240 Time [µs] Load Transient from 2A to 0.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Step 5 Select the feed forward capacitor (CFF) A feed-forward capacitor CFF is placed in parallel with RFBT that bypasses AC ripple directly to the feedback pin from the output to support the internal ripple generator. This capacitor also affects the load step transient response.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Note that high values of the CSS capacitance will cause more output voltage droop when a load transient goes across the DCM-CCM boundary. Use equation (22) in the “LIGHT LOAD OPERATION” section (page 33) to find the DCM-CCM load current boundary for the specific operating conditions. If a fast load transient response is desired for steps between DCM and CCM mode the soft-start capacitor value should be less than 0.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module DETERMINE POWER LOSSES AND THERMAL REQUIREMENTS OF THE BOARD This section provides an example of calculation of power losses and thermal design of the board.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module From the graph a power loss of 2.10W is read. Entering the values in formula (21) results in: θCA(MAX) < 125°C-85°C -1.9°C/W=17.2°C/W 2.10W θJA(MAX) =θJC + θCA(MAX) =1.9°C/W+17.2°C/W= 19.1°C/W To achieve this thermal resistance the PCB is required to dissipate the heat effectively. The area of the PCB will have a direct effect on the overall junction-to-ambient thermal resistance.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module LIGHT LOAD OPERATION Under light load conditions, the device continuously decreases the switching frequency and thereby maintains a high efficiency. At light load, the regulator will operate in Discontinuous Conduction Mode (DCM). When the load current is above the critical conduction point, it will operate in Continuous Conduction Mode (CCM).
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module In CCM, current flows through the inductor through the entire switching cycle and never falls to zero during the off-time. The switching frequency remains relatively constant with load current and line voltage variations. The CCM operating frequency can be calculated using the equation below. Inductor Current Ripple VIN = 24V, VOUT = 12V, IOUT = 2A 3 fSW = 500kHz Inductor Current [A] 2µs 2 ∆IL = 0.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module OUTPUT VOLTAGE RIPPLE The output voltage ripple of the VOUT depends on several parameters, as already shown in DESIGN FLOW – Step4.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module PROTECTIVE FEATURES Output Overvoltage Protection (OVP) The voltage at the FB is compared to a 0.8V internal reference while the overvoltage protection (OVP) has a threshold of 0.92V. If FB rises above this limit, the on-time is immediately terminated. It can occur if the input voltage is increased with a very high dVIN dIOUT or if the output current is decreased with a very .
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Overcurrent protection (OCP) Current limit detection is carried out during the off-time by monitoring the current in the low-side MOSFET. Referring to the Functional Block Diagram, when the high-side MOSFET is turned off, the inductor current flows through the load, the PGND pin and the internal low-side MOSFET.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Overtemperature protection (OTP) The junction temperature of the MagI³C power module should not be allowed to exceed its maximum rating. Thermal protection is implemented by an internal thermal shutdown circuit which activates at 165°C (typ.) causing the device to enter a low power standby state.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module TYPICAL SCHEMATIC 1 VIN VIN RON VOUT 7 RFBT Module 2 RON FB CIN AGND 3 EN VOUT PGND SS EP 5 CFF 6 COUT 4 CSS RFBB GND GND Quick setup guide Conditions: TA = 25°C, IOUT = 2A Recommended component values VOUT RFBT RFBB RON CIN COUT CSS CFF COUT-ESR VIN we-online.com © December 2017 38/54 24V 34kΩ 1.18kΩ 499kΩ 18V 34kΩ 1.58kΩ 374kΩ 33µF 33µF 1-75mΩ 28-42V 1-60mΩ 22-42V 15V 34kΩ 1.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module LAYOUT RECOMMENDATION PCB layout is an important part of DC-DC converter design. Poor board layout can disrupt the performance of a DC-DC converter and surrounding circuitry by contributing to EMI, ground bounce and resistive voltage drop in the traces. These can send erroneous signals to the DC-DC converter resulting in poor regulation or instability. A good layout can be implemented by following simple design rules.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module The placement of the input capacitors is highlighted in the following picture. MagI3C Module PGND 6 FB 5 GND 7 VOUT EN VIN 4 3 2 RON CIN2 SS 1 CIN1 AGND GND COUT1 COUT2 VIN VOUT RON Bottom GROUND PLANE PCB color coding: RENT RENB CSS CFF RFBB RFBT Top layer Bottom layer The positive terminal of CIN1 and CIN2 need to be very close to the VIN pin of the power module.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module 2: Analog Ground (AGND) connections MagI3C Module PGND 6 FB 5 GND 7 VOUT EN VIN CIN2 RON CIN1 4 3 2 SS 1 AGND GND COUT1 COUT2 VIN VOUT RON Bottom GROUND PLANE RENT RENB CSS CFF RFBB RFBT The ground connections for the soft-start capacitor (CSS), the output voltage lower resistor divider (RFBB) and enable components (when used) should be routed to the AGND pin of the device.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module 4: Connection to VIN MagI3C Module PGND 6 FB 5 GND 7 VOUT EN VIN CIN2 RON CIN1 4 3 2 SS 1 AGND GND COUT1 COUT2 VIN VOUT RON Bottom GROUND PLANE RENT RENB CSS CFF RFBB RFBT In order to avoid noise injection into RON pin, the resistor RON should be routed to one of the input capacitors.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module 6: Make input and output bus connections as wide as possible MagI3C Module PGND 6 FB 5 GND 7 VOUT EN VIN CIN2 RON CIN1 4 3 2 SS 1 AGND GND COUT1 COUT2 VIN VOUT RON Bottom GROUND PLANE RENT RENB CSS CFF RFBB RFBT This reduces any voltage drops on the input or output of the converter and maximizes efficiency.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module 750µm 250µm 750µm For best result, use a thermal via array as proposed in the picture above with drill of max 250µm, spaced 750µm apart. Ensure enough copper area is used for heat-sinking, to keep the junction temperature below 125°C.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module EVALUATION BOARD SCHEMATIC (178012402 v3.0) The evaluation board schematic has been developed to be suitable for all input and output voltage conditions, switching frequencies and load currents as well as to achieve optimum load transient response.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Bill of Material Designator Description Quantity Order Code Manufacturer IC1 MagI3C Power Module 1 171012402 Würth Elektronik C1 Aluminum electrolytic capacitor 27μF/100V 1 860040874001 Würth Elektronik C2,C3 Ceramic chip capacitor 4.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Filter suggestion for conducted EMI The input filter shown in the schematic below is recommended to achieve conducted compliance according to EN55022 Class B (see results on page 8). For radiated EMI the input filter is not necessary. It is only used to comply with the setup recommended in the norms.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module HANDLING RECOMMENDATIONS 1. The power module is classified as MSL3 (JEDEC Moisture Sensitivity Level 3) and requires special handling due to moisture sensitivity (JEDEC J-STD033). The parts are delivered in a sealed bag (Moisture Barrier Bags = MBB) and should be processed within one year. When opening the moisture barrier bag check the Humidity Indicator Card (HIC) for color status.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module PHYSICAL DIMENSIONS Package type: TO263-7 Bottom view Side view Top view thermal pad Recommended soldering pad we-online.com © December 2017 49/54 recommended stencil design Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 2.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module PACKAGING Reel (mm) 20P we-online.com © December 2017 50/54 Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 2.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module Tape (mm) TO263-7EP we-online.com © December 2017 51/54 Würth Elektronik eiSos GmbH & Co. KG – Data Sheet Rev. 2.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module DOCUMENT HISTORY Revision Date Description 2.0 December 2017 Update version released 1.0 10th March 2015 Release of the final version we-online.com © December 2017 52/54 Comment - Extended nominal output current from 1.5A to 2.0A - No changes to the component have been applied. No changes to existing designs using the module are therefore required.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module CAUTIONS AND WARNINGS The following conditions apply to all goods within the product series of MagI³C of Würth Elektronik eiSos GmbH & Co. KG: General: All recommendations according to the general technical specifications of the datasheet have to be complied with. The usage and operation of the product within ambient conditions which probably alloy or harm the component surface has to be avoided.
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WPMDH1152401 / 171012402 MagI3C Power Module VDRM – Variable Step Down Regulator Module IMPORTANT NOTES The following conditions apply to all goods within the product range of Würth Elektronik eiSos GmbH & Co. KG: 1. General Customer Responsibility Some goods within the product range of Würth Elektronik eiSos GmbH & Co. KG contain statements regarding general suitability for certain application areas.