Datasheet Summary
5 channels step-up white LED driver
- production data
Features
- Operating input voltage range from 2.3 V to 5.5 V
- ± 7.5% LED current accuracy
- Two LEDs in series per channel
- High side current source
- Up to 125 mA of total LED current
- 86% efficiency at 100 mA
- PWM dimming with automatic shutdown time window
- 2.5 MHz switching frequency
- CSP 12 bumps 0.4 mm. pitch 1.4 x 1.8 mm.
Applications
- LCD backlight with up to 10 LEDs
- Cellular phones
- PDAs
Description
Flip-Chip 12 bumps (1.4 x 1.8 mm.) continue operating driver channels that are functioning normally, while avoiding excessive power consumption or associated thermal issues. The control technique is...