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FAN5909 - Multi-Mode Buck Converter

Datasheet Summary

Description

The FAN5909 is a high efficiency, low noise, synchronous, www.onsemi.com step down, DC

applications.

Features

  • Solution Size < 9.52 mm2 Operation at Low Power and Low Output Voltage for Maximum Low Current Efficiency.
  • 2.7 V to 5.5 V Input Voltage Range.

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Datasheet preview – FAN5909

Datasheet Details

Part number FAN5909
Manufacturer ON Semiconductor
File Size 966.29 KB
Description Multi-Mode Buck Converter
Datasheet download datasheet FAN5909 Datasheet
Additional preview pages of the FAN5909 datasheet.

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Full PDF Text Transcription

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FAN5909 Multi-Mode Buck Converter with LDO Assist for GSM / EDGE, 3 G/3.5 G and 4 G PAs Description The FAN5909 is a high−efficiency, low−noise, synchronous, www.onsemi.com step−down, DC−DC converter optimized for powering Radio Frequency (RF) Power Amplifiers (PAs) in handsets and other mobile applications. Load currents up to 2.5 A are allowed, which enables GSM / EDGE, 3 G/3.5 G, and 4G platforms under very poor VSWR conditions. 1 The output voltage may be dynamically adjusted from 0.40 V to 3.60 V, proportional to an analog input voltage VCON ranging from 0.16 V to 1.44 V, optimizing power−added efficiency. Fast transition WLCSP 16 BUMP CASE 567SD times of less than 6 ms are achieved, allowing excellent inter−slot settling.
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