SSL3252 Overview
Description
The SSL3252 is a photo flash LED driver designed for battery operated mobile devices such as mobile phones and PDAs. The boost converter delivers high performance and drives a single or dual high brightness LED at up to 500 mA with over 85 % efficiency.
Key Features
- High power single or dual LED output driving up to 500 mA flash current
- Separate indicator LED output of 2.5 mA to 10 mA
- High side current source for main and indicator LEDs
- Output voltage of up to 8.85 V
- Wide input voltage ranging from 2.5 V to 5.5 V
- High efficiency of over 85 % at optimum output current
- Switching frequency of 2 MHz
- Flash mode, Assist light mode, Torch mode and Indicator mode are supported
- Internally timed flash operation up to 850 ms
- I2C-bus, programmable up to 400 kHz
