RN5RY Datasheet (RICOH) - VFM STEP-UP DC/DC CONVERTER CONTROLLER

RN5RY, VFM STEP-UP DC/DC CONVERTER CONTROLLER

VFM STEP-UP DC/DC CONVERTER CONTROLLER RN5RY××1 SERIES APPLICATION MANUAL NO.EA-030-0006 VFM STEP-UP DC/DC CONVERTER CONTROLLER RN5RY ××1 SERIES OUTLINE The RN5RY××1 Series are VFM Control ICs for step-up DC/DC converter with an external driver transistor featuring high output voltage accuracy and low supply current by CMOS process.

Each of the RN5RY××1 Series ICs consists of a voltage reference unit, an error amplifier, an oscillator, a VFM control circuit and feed back resis- tors.

A low rip

RN5RY Features

* Low Supply Current TYP. 3µA

* Low Standby Current