AAT1274 Description
The AAT1274 is a high-efficiency, 1.5A high-current boost converter for LED photo flash applications. It maintains output current regulation by switching the internal high-side and low-side switch transistors, pulsewidth modulated at a fixed frequency of 2MHz. The high switching frequency allows the use of a small external inductor and output capacitor, making the AAT1274 ideally suited in all single cell,...
AAT1274 Key Features
- Input Voltage Range: 2.7V to 5.5V
- Single Channel Flash Output
- Up to 1.5A Regulated Output Current
- Up to 88% Efficiency
- 2 MHz Switching Frequency
- Separate Flash Enable
- Single Resistor Sets Flash and Movie Mode Current
- AS2Cwire Single Wire Programming
- Movie Mode Current
- Flash/Movie Mode Current Ratio
AAT1274 Applications
- Input Voltage Range: 2.7V to 5.5V