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R1210N471C Dataheets PDF



Part Number R1210N471C
Manufacturers RICOH
Logo RICOH
Description PWM Step-up DC/DC Controller
Datasheet R1210N471C DatasheetR1210N471C Datasheet (PDF)

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.

  R1210N471C   R1210N471C


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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. A low ripple, high efficiency step-up DC/DC converter can be composed of this IC with only three external components, or an inductor, a diode and a capacitor. The R1210N Series can detect drastic change of output voltage with a circuit controller. The load transient response is improved compared with current model, furthermore the R12.


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