AAT1270 Description
The AAT1270 is a high-efficiency, high-current boost converter capable of 1A maximum output current. It is an ideal power solution for LED photo flash applications in all single-cell Lithium-ion / polymer battery operated products. The AAT1270 maintains output current regulation by switching the internal high-side and low-side switch transistors.
AAT1270 Key Features
- Input Voltage Range: 2.7V to 5.5V
- Dual Channel Output
- Up to 1A Regulated Output Current (0.5A per Channel)
- Up to 85% Efficiency with Small Magnetics
- 2 MHz Switching Frequency
- Separate Flash Enable Input
- Separate Flash Inhibit Input
- Single Resistor Sets Flash and Movie Mode Current
- Fixed Flash-to-Movie Mode Current Ratio
- 16-Level Movie Mode Current via S2Cwire™
AAT1270 Applications
- Input Voltage Range: 2.7V to 5.5V