SP6687 Datasheet | Sipex Corporation

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 Overvoltage Protection - Thermal Shutdown - Programmable LED drive capability - PWM Dimming Control - 1MHz Fixed Frequency Oscillator - Low 1µA Shutdown Current - Pin patible with SC604 12 LED4 LED3 LED2 LED1 13 14 15 16 1 C1N 9 8 C1P VIN VOUT ISET 7 6 5 4 16 Pin QFN CTRL0 CTRL1 Pin 1 Orientation Now Available in Lead-Free Packaging APPLICATIONS - Mobile phones - White LED Backlighting - Camera Flash LED lighting DESCRIPTION The SP6687 is a pact, highly efficient and highly integrated 4 channel charge pump white LED driver. It can support from 1 to 4 White LEDs and is optimized for Li-Ion battery applications. Current matching allows all 4 LEDs to maintain consistent brightness. Users can control White LEDs by three programming bits. Each channel can support up to 30m A of current. This device is available in a 4mm x 4mm, 16 pin QFN package. TYPICAL APPLICATION CIRCUIT C1 1µF 8 7 CIN 1µF 1 VIN EN C1P 9 C1N 11 C2 1µF 10 C2N VOUT 6 C2P ® Li-ion Battery 2 CTRL0 3 4 5 RSET CTRL1 CTRL2 ISET CTRL2 LED1 16 LED2 15 LED3 14 13 COUT 1µF GND...