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SP7683
Four Channel Charge Pump
Regulator LED Driver
FEATURES ■ 2.
7V to 5.
5V Input Voltage Range ■ Up to 4 LEDS with matching currents ■ LEDs can be Driven from the Charge Pump Output ■ 1X and 1.
5X Mode Charge Pump ■ High Efficiency Operation ■ 1.
2 MHz Switching Frequency ■ Programable LED Drive Capabliity ■ PWM Dimming Control ■ Low 0.
5µA Shutdown Current ■ Soft-Start Limits Inrush Current ■ Output Overvoltage Protection ■ Thermal Shutdown Protection ■ QFN (4mm x 4mm) package
LED2 EN/ PWM
14
LED1
16
15
13 12 FB
ISET
On/Off LED3 LED4
1 2 3 4
SP7683
4x4 mm 16 Pin QFN
C2N
11 VMODE 10 VIN 9 C1P 8
5
6
7
C1N
Now Available in Lead Free Packaging
APPL...