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R1210N251C

RICOH
Part Number R1210N251C
Manufacturer RICOH
Description PWM Step-up DC/DC Controller
Published Jan 21, 2018
Detailed Description R1210Nxx1x SERIES PWM STEP-UP DC/DC CONVERTER NO.EA-075-170303 OUTLINE The R1210Nxx1x Series are CMOS-based PWM step-...
Datasheet PDF File R1210N251C PDF File

R1210N251C
R1210N251C

Overview
R1210Nxx1x SERIES PWM STEP-UP DC/DC CONVERTER NO.
EA-075-170303 OUTLINE The R1210Nxx1x Series are CMOS-based PWM step-up DC/DC Converter, with high accuracy, low supply current.
Each of the R1210Nxx1x Series consists of an oscillator, a PWM circuit, a reference voltage unit, an error amplifier, phase compensation circuit, resistors for voltage detection, a chip enable circuit.
Further, includes a controller against drastic load transient, a control transistor with low ON-Resistance, ‘LX switch’, and a protection circuit for LX switch and an output voltage detector.
R1210Nxx1A Series contain further a circuit for changeover oscillator frequency each.
A low ripple, high efficiency step-up DC...


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