MAX1577Y Datasheet, PDF (6/11 Pages) Maxim Integrated Products – 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights

1.2A White LED Regulating Charge Pump for
Camera Flashes and Movie Lights
C1
1µF*
CP
CN
2.7V TO 5.5V IN
C_IN
4.7µF
GND
EN1
EN2
LDO/CHARGE PUMP
V_OUT - V_CS
CONTROL
ERROR
AMP
CSVMODE
IMODE/
VMODE
MUX
MAX1577Y
ONLY
1.25V
MAX1577Y
MAX1577Z
24mV
*2.2µF FOR MORE THAN 600mA OUTPUT.
Figure 1. Functional Diagram
OUT
C_OUT
10µF
R_CS
CS
D1
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