SC1578 Overview
The SC1578 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 pulse-skipping and pulsefrequency modulation are employed to maintain low quiescent current and high conversion efficiency over wide ranges of input voltage and loads. The SC1578 delivers 10mA to 2A of output current with 87%-93% efficiency at...
SC1578 Key Features
- 4V to 24V 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