Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ELECTRICAL SPECIFICATIONS
- ABSOLUTE MAXIMUM RATINGS
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS
- ADC MONITORING INTERVALS AND RESPONSE TIMES
- HARDWARE FAULT DETECTION LATENCY
- PMBus/SMBus/I2C
- I2C/SMBus/PMBus Timing Characteristics
- FUNCTIONAL OVERVIEW
- PMBus Interface
- Resistor Programmed PMBus Address Decode
- JTAG Interface
- Bias Supply Generator (Series Regulator Controller)
- Power On Reset
- External Reset
- Output Voltage Adjustment
- Analog Front End (AFE)
- Digital Compensator
- DPWM Engine
- Flexible Rail/Power Stage Configuration
- DPWM Phase Distribution
- DPWM Synchronization
- Phase Shedding at Light Current Load
- Phase Adding at Normal Current Load
- Output Current Measurment
- Output Current Balancing
- Overcurrent Detection
- Current Foldback Mode
- Input Voltage and Current Monitoring
- Temperature Monitoring
- Temperature Balancing
- Soft Start, Soft Stop Ramp Sequence
- Input UV Lockout
- Voltage Tracking
- Sequencing
- Fan Control
- Non-volatile Memory Error Correction Coding
- APPLICATION INFORMATION
![](/manual/texas-instruments/ucd9240pfc/datasheet-english/images/img-2.png)
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
(1)
RECOMMENDED OPERATING CONDITIONS
UCD9240
SLUS766C – JULY 2008 – REVISED NOVEMBER 2008 ...................................................................................................................................................
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION
(1)
OPERATING
ORDERABLE PART TOP SIDE
TEMPERATURE PIN COUNT SUPPLY PACKAGE
NUMBER MARKING
RANGE, T
A
UCD9240PFCR 80-pin Reel of 1000 QFP UCD9240
UCD9240PFC 80-pin Tray of 119 QFP UCD9240
-40 ° C to 110 ° C
UCD9240RGCR 64-pin Reel of 2000 QFN UCD9240
UCD9240RGCT 64-pin Reel of 250 QFN UCD9240
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
VALUE UNIT
Voltage applied at V33D to DV
SS
– 0.3 to 3.8 V
Voltage applied at V33A to AV
SS
– 0.3 to 3.8 V
Voltage applied to any pin
(2)
– 0.3 to 3.8 V
Storage temperature (T
STG
) – 40 to 150 ° C
(1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings
only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating
conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages referenced to V
SS
.
Over operating free-air temperature range (unless otherwise noted).
MIN NOM MAX UNIT
V Supply voltage during operation, V33D, V33DIO, V33A 3 3.3 3.6 V
T
A
Operating free-air temperature range – 40 110 ° C
T
J
Junction temperature 125 ° C
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Product Folder Link(s): UCD9240