MAX1913 Datasheet, PDF (8/11 Pages) Maxim Integrated Products – 60mA 1.5x High-Efficiency White LED Charge Pumps

60mA 1.5x High-Efficiency White LED
Charge Pumps
1Ω
V_IN
2.2µF
IN1 ^IN2
SHDN
OUT
C1+
0.47µF
C1- _MAX1912
C2+
0.47µF
C2-
SET
GND
2.2µF
2-PIN
CONNECTOR
R4
3.3Ω
R1
R2
R3
10Ω
10Ω
10Ω
Figure 5. Alternate Method of Biasing LEDs Controls Total Current; Suitable When the LED Array Must Be Biased with Only Two
Connections
1Ω
V_IN
2.2µF
IN1 ^IN2
SHDN
OUT
C1+
0.47µF
C1- _MAX1913
C2+
0.47µF
C2-
SET
GND
2.2µF
V_OUT
R1
R2
Figure 6. Output Voltage Set with a Resistor-Divider
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