Datasheet

MAX17094
Internal-Switch Boost Regulator with Integrated
7-Channel Driver, VCOM Calibrator, Op Amp, and LDO
6 _______________________________________________________________________________________
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
= -40°C to +85°C, unless oth-
erwise noted.) (Note 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
GENERAL
IN Input-Voltage Range 1.8 5.5 V
IN Shutdown Current EN = 0, V
L
> 2.4V 100 μA
IN Quiescent V
IN
= 3V, V
FB
= 1.5V, not switching 100 μA
IN Undervoltage Lockout V
IN
rising 1.75 V
BOOTSTRAP LINEAR REGULATOR (VL)
VL Output Voltage 3.8 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 0.3 V
FBL Regulation Voltage I
LOUT
= 100mA 605 631 mV
LOUT Maximum Output Current V
FBL
= 0.5V 250 mA
LOUT Load Regulation V
LIN
= 5V, 5mA < I
OUT
< 250mA, not in dropout 1 %
STEP-UP DC-DC CONVERTER
Output-Voltage Range 6 14 V
R
FREQ
= 80k 1000 1500
R
FREQ
= 30k 382 518
Switching Frequency f (MHz) = 0.015 x R
FREQ
(k)
R
FREQ
= unconnected 510 690
kHz
Oscillator Maximum Duty Cycle 88 96 %
FB Regulation Voltage 1.216 1.254 V
LX On-Resistance I
LX
= 200mA 250 m
LX Leakage Current V
LX
= 16V 20 μA
LX Current Limit Duty cycle = 65% 2 3 A
Current-Sense Transresistance 0.15 0.45 V/A
SS Output Current 3.5 6.5 μA