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R1210N221C - PWM Step-up DC/DC Controller

This page provides the datasheet information for the R1210N221C, a member of the R1210N301C PWM Step-up DC/DC Controller family.

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Datasheet Details

Part number R1210N221C
Manufacturer RICOH
File Size 239.62 KB
Description PWM Step-up DC/DC Controller
Datasheet download datasheet R1210N221C Datasheet
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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.
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