RC4391
Overview
Fairchild Semiconductor’s RC4391 is a monolithic switch mode power supply controller for micropower circuits. The RC4391 integrates all the active functions needed for low power switching supplies, including oscillator, switch, reference and logic, into a small package.
- Versatile - Inverting function (+ to -) Step-down function Adjustable output voltage Regulates supply changes
- Micropower - Low quiescent current - 170 mA Wide supply range - 4V to 30V
- High performance - High switch current - 375 mA High efficiency - 70% typically
- Low battery detection capability
- 8-lead mini-DIP or S.O. package
