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ISL9104 - High Efficiency Synchronous Buck Converter

Description

Input supply voltage.

Typically connect a 10µF ceramic capacitor to ground.

Regulator enable pin.

Features

  • High Efficiency Integrated Synchronous Buck Regulator with up to 93% Efficiency.
  • 2.7V to 6.0V Supply Voltage.
  • 4.3MHz PWM Switching Frequency.
  • 500mA Guaranteed Output Current.
  • 3% Output Accuracy Over-Temperature and Line for Fixed Output Options.
  • 20µA Quiescent Supply Current in Skip Mode.
  • Less than 1µA Logic Controlled Shutdown Current.
  • 100% Maximum Duty Cycle for Lowest Dropout.
  • Ultrasonic Switching Frequency at S.

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Datasheet preview – ISL9104

Datasheet Details

Part number ISL9104
Manufacturer Renesas
File Size 723.61 KB
Description High Efficiency Synchronous Buck Converter
Datasheet download datasheet ISL9104 Datasheet
Additional preview pages of the ISL9104 datasheet.

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Full PDF Text Transcription

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DATASHEET ISL9104, ISL9104A 500mA 4.3MHz Low IQ High Efficiency Synchronous Buck Converter FN6829 Rev 5.00 The ISL9104, ISL9104A is a 500mA, 4.3MHz step-down regulator, which is ideal for powering low-voltage microprocessors in compact devices such as PDAs and cellular phones. It is optimized for generating low output voltages down to 0.8V. The supply voltage range is from 2.7V to 6V allowing the use of a single Li+ cell, three NiMH cells or a regulated 5V input. It has guaranteed minimum output current of 500mA. A high switching frequency of 4.3MHz pulse-width modulation (PWM) allows using small external components.
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