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RN5RK502A

RICOH electronics devices division
Part Number RN5RK502A
Manufacturer RICOH electronics devices division
Description SOT-23-5 VFM STEP-UP DC/DC CONVERTER
Published Apr 16, 2005
Detailed Description RN5RK SERIES VFM STEP-UP DC/DC CONVERTER NO.EA-045-111124 OUTLINE The RN5RKxx1A/xx1B/xx2A Series are CMOS-based VFM (...
Datasheet PDF File RN5RK502A PDF File

RN5RK502A
RN5RK502A

Overview
RN5RK SERIES VFM STEP-UP DC/DC CONVERTER NO.
EA-045-111124 OUTLINE The RN5RKxx1A/xx1B/xx2A Series are CMOS-based VFM (Chopper) Step-up DC/DC converter ICs with ultra low supply current and high output voltage accuracy.
Each of the RN5RKxx1A/xx1B consists of an oscillator, a VFM control circuit, a driver transistor to have low ON resistance (Lx switch), a reference voltage unit, a high speed comparator, resistors for voltage detection, an Lx switch protection circuit and an internal chip enable circuit.
A low ripple, high efficiency step-up DC/DC converter can be composed of this RN5RKxx1A/xx1B with only three external components: an inductor, a diode and a capacitor.
The RN5RKxx2A uses the...


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