inverting and step-down switching regulator.
* Versatile — Inverting function (+ to -) Step-down function Adjustable output voltage Regulates supply changes
* Micropower — Low quiescent current — 170 mA Wide.
The RC4391 complements another Fairchild Semiconductor switching regulator IC, the RC4190. The RC4190 is dedicated to s.
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, i.
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