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FAN5665 - Adaptive Charge Pump 5V Boost

Datasheet Summary

Description

The FAN5665 is a 5V switched capacitor step-up DC/DC converter with an input voltage range from 2.9V to 5.5V.

Switch reconfiguration and fractional switching techniques are utilized to achieve high efficiency over the entire input voltage range.

Features

  • 5V Fixed Output Voltage 30mA Maximum Output Current Built-in Charge Pump with Three Modes of Operation: 1×, 1.5×, and 2× Minimum External Components Flying Capacitors Only 0.22µF Low-noise, Constant-frequency Operation (1.2MHz) at Heavy Loads High-efficiency, Low-frequency Operation at Light Loads Low Quiescent Current Up to 92% Efficiency 2.9V to 5.5V Input Voltage Range Soft-start for Limiting Inrush Curr.

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Datasheet preview – FAN5665

Datasheet Details

Part number FAN5665
Manufacturer Fairchild Semiconductor
File Size 750.64 KB
Description Adaptive Charge Pump 5V Boost
Datasheet download datasheet FAN5665 Datasheet
Additional preview pages of the FAN5665 datasheet.

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Full PDF Text Transcription

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FAN5665 — High-Efficiency, Adaptive Charge Pump 5V Boost February 2008 www.datasheet4u.com FAN5665 High-Efficiency, Adaptive Charge Pump 5V Boost Features ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ ƒ 5V Fixed Output Voltage 30mA Maximum Output Current Built-in Charge Pump with Three Modes of Operation: 1×, 1.5×, and 2× Minimum External Components Flying Capacitors Only 0.22µF Low-noise, Constant-frequency Operation (1.2MHz) at Heavy Loads High-efficiency, Low-frequency Operation at Light Loads Low Quiescent Current Up to 92% Efficiency 2.9V to 5.5V Input Voltage Range Soft-start for Limiting Inrush Current Input Under-Voltage Lockout Protection (UVLO) Short-Circuit Protection (SCP) Thermal Shutdown Protection (TSD) 8-bump 1.21 x 1.21mm, 0.4mm Pitch WLCSP +5V C OUT 2.2µF C2 0.22µF VOUT C2+ C2C1C1 0.
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