AIC1578
AIC1578 is manufactured by Analog Intergrations Corporation.
High-Efficiency, Step-Down DC/DC Converter
Features
- 4V to 20V Input Voltage Operation.
- High Efficiency (up to 95%).
- Low Quiescent Current at 90µA.
- Pulse-Skipping and Pulse-Frequency Modulation.
- Inputs-Unmitted Current Sense parator.
- Duty Cycle Adjustable.
- 90KHz to 280KHz Oscillator Frequency.
- Power-Saving Shutdown Mode (8µA Typical).
- Push-Pull Driver Output.
DESCRIPTION
The AIC1578 is a high performance step-down DC/DC converter, designed to drive an external P-channel MOSFET to generate programmable output voltages. Two main schemes of PulseSkipping and Pulse-Frequency Modulation are employed to maintain low quiescent current and high conversion efficiency...