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SNVS891H
- SEPTEMBER 2012
- REVISED SEPTEMBER 2015
LM3642 1.5-A Synchronous Boost LED Flash Driver With High-Side Current Source
1 Features
- 1 1.5-A High-Side Current Source for Single LED
- > 85% Efficiency in Torch Mode (at 100 mA) and
Flash Mode (at 1 A to 1.5 A)
- Accurate Programmable Flash LED Current from
93 mA to 1.5 A
- Accurate Programmable Torch LED Currents:
- 48.4 mA to 375 mA
- 24 mA to 187 mA (LT option)
- Small Solution Size: < 20 mm2
- Soft-Start Operation for Battery Protection
- Hardware Strobe Enable
- Synchronization Input for RF Power Amplifier Pulse Events
- VIN Flash...