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RT4823N - Wide Input and Ultra-Low Quiescent Current Boost Converter

Description

The RT4823N allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs.

Features

  • Ultra-Low Operating Quiescent Current.
  • Quickly Start-Up Time (< 430sec).
  • 3 Few External Components: 1H Inductor, 0402 Case Size Input and 0603 Case Size Output Case Size Capacitors.
  • Input Voltage Range: 1.8V to 5.5V.
  • Support VIN > VOUT Operation.
  • Default Boost Output Voltage Setting: VOUT = 5V.
  • Maximum Continuous Load Current: 1.5A at VIN > 3V Boosting VOUT to 5V.
  • Up to 93% Efficiency.
  • EN(H), FPWM(H): Forced PWM Mode.
  • EN(H): Boost Mode.
  • E.

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Datasheet preview – RT4823N

Datasheet Details

Part number RT4823N
Manufacturer Richtek
File Size 917.04 KB
Description Wide Input and Ultra-Low Quiescent Current Boost Converter
Datasheet download datasheet RT4823N Datasheet
Additional preview pages of the RT4823N datasheet.

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Full PDF Text Transcription

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RT4823N Wide Input and Ultra-Low Quiescent Current Boost Converter with High Efficiency General Description The RT4823N allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By combining built-in power transistors, synchronous rectification, and low supply current; this IC provides a compact solution for systems using advanced Li-Ion battery chemistries. The RT4823N is a boost regulator designed to provide a minimum output voltage from a single-cell Li-Ion battery, even when the battery voltage is below system minimum. In boost mode, output voltage regulation is guaranteed to a maximum load current of 1500mA.
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