Datasheet Summary
.ti.
SNVS338B
- NOVEMBER 2004
- REVISED FEBRUARY 2013
LM3557 Step-Up Converter for White LED Applications
Check for Samples: LM3557
Features
- 2 VIN Range: 2.7V- 7.5V
- Small External ponents
- 1.25 MHz Constant-Switching Frequency
- Output Over-Voltage Protection
- Input Under-Voltage Protection
- Cycle-By-Cycle Current Limit
- TRUE SHUTDOWN: No DC current paths to ground during shutdown
- Low Profile Package: <1 mm Height -8 Pin
WSON
- No External pensation
APPLICATIONS
- White LED Display Lighting
- Cellular Phones
- PDAs
DESCRIPTION
The LM3557 is a plete solution for white LED drive applications. With minimal external ponent count, no DC current leakage...
