Datasheet

MAX17094
Internal-Switch Boost Regulator with Integrated
7-Channel Driver, VCOM Calibrator, Op Amp, and LDO
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(V
IN
= V
LIN
= V
EN
= +3.3V, circuit of Figure 2, V
MAIN
= 8V, V
GON1
= V
GON2
= 21V, V
GOFF
= -6.5V, T
A
= 0°C to +85°C. Typical val-
ues are at T
A
= +25°C, unless otherwise noted.)
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 in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
IN, LIN, LOUT, EN, VL, A2–A8,
SCL, SDA, ADDR0, ADDR1.. ............................-0.3V to +7.5V
COMP, FB, SENSE, SS to AGND ............…-0.3V to (V
VL
+ 0.3V)
FBL to AGND.............................................-0.3V to (V
LIN
+ 0.3V)
FREQ, SET to GND .....................................-0.3V to (V
VL
+ 0.3V)
LX to PGND ............................................................-0.3V to +16V
AVDD to BGND ......................................................-0.3V to +16V
POS, NEG, OUT, VCOM to BGND ......-0.3V to (V
AVDD
to +0.3V)
POS to NEG.................................................................-6V to +6V
GND, PGND, BGND to AGND...............................-0.3V to +0.3V
GON1, GON2 to GND ............................................-0.3V to +35V
GOFF to GND ........................................................-14V to + 0.3V
Y2–Y6, YDCHG to GND ..........(V
GOFF
- 0.3V) to (V
GON1
+ 0.3V)
Y7, Y8 to GND .........................(V
GOFF
- 0.3V) to (V
GON2
+ 0.3V)
LX, PGND RMS Current .......................................................2.4A
Y1–Y7, YDCHG RMS Current..............................................33mA
GON1 RMS Current ...........................................................46mA
GON2 RMS Current ...........................................................83mA
GOFF RMS Current ..........................................................115mA
Continuous Power Dissipation (T
A
= +70°C)
48-Pin, 6mm x 6mm TQFN
(derate 20mW/°C above +70°C).. .............................2963mW
Junction Temperature......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER CONDITIONS MIN TYP MAX UNITS
GENERAL
IN Input-Voltage Range 1.8 5.5 V
IN Shutdown Current EN = 0 30 100 μA
IN Quiescent V
IN
= 3V, V
FB
= 1.5V, not switching, V
L
> 2.3V 100 μA
IN Undervoltage Lockout V
IN
rising, typical hysteresis 200mV 1.30 1.75 V
Thermal Shutdown Rising edge, typical hysteresis 15°C 160 °C
BOOTSTRAP LINEAR REGULATOR (VL)
VL Output Voltage 3.8 4.0 4.2 V
VL Maximum Output Current VL = 3.7V 10 mA
LINEAR REGULATOR
LIN Input-Voltage Range V
LOUT
< V
LIN
1.8 5.5 V
LIN Quiescent Current No load 2 mA
Dropout Voltage I
LOUT
= 250mA, V
LIN
- V
LOUT
0.3 V
FBL Regulation Voltage I
LOUT
= 100mA 605 618 631 mV
FBL Input Bias Current V
FBL
= 0.618V, T
A
= +25°C -50 +50 nA
LOUT Maximum Output Current V
FBL
= 0.5V 250 mA
LOUT Load Regulation V
LIN
=5V, 5mA < I
OUT
< 250mA, not in dropout 1 %
Soft-Start Period 7-bit voltage ramp 3 ms