Datasheet Summary
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SLVS516A
- MAY 2004
- REVISED JUNE 2004
WHITE LED CHARGE PUMP CURRENT SOURCE WITH PWM BRIGHTNESS CONTROL
Features
- Regulated Output Current With 0.4% Matching
- Drives up to 5 LEDs at 25 mA Each
- LED Brightness Control Through PWM
Control Signal
- High Efficiency by Fractional Conversion With 1x and 1.5x Modes
- 1 MHz Switching Frequency
- 2.7 V to 6.5 V Operating Input Voltage Range
- Internal Softstart Limits Inrush Current
- Low Input Ripple and Low EMI
- Overcurrent and Overtemperature Protected
- Undervoltage Lockout With Hysteresis
- Ultra-Small 3mm x 3mm QFN Package
APPLICATIONS
- White LED Backlight for Color Displays in Cellular Phones, Smart Phones, PDAs,...