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SP6687
4 Channel Charge Pump White LED Driver
GND C2N
10
C2P
FEATURES ■ High Efficiency 90% ■ Support up to 4 White LEDs with current matching ■ Three Charge Pump Modes: X1, X1.
5, X2 ■ Soft Start Function ■ Short Circuit Protection ■ Output Over
voltage Protection ■ Thermal Shutdown ■ Programmable LED drive capability ■ PWM Dimming Control ■ 1MHz Fixed Frequency Oscillator ■ Low 1µA Shutdown Current ■ Pin Compatible with SC604
12 LED4 LED3 LED2 LED1 13 14 15 16 1
11
C1N
9 8 C1P VIN VOUT ISET 7 6 5 4
SP6687
16 Pin QFN
2
3
CTRL0
CTRL1
Pin 1 Orientation
Now Available in Lead-Free Packaging APPLICATIONS ■ Mobile phones ■ White LED Backlighting ■ Camera Flash ...