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FX5545G108

Vishay
Part Number FX5545G108
Manufacturer Vishay
Description The Smallest and Low Profile
Published Oct 27, 2013
Detailed Description FX5545G108 Vishay The Smallest and Low Profile 0.9V to 4.5V*, 4A with 570W/in3 Power Density Efficiency up to 95% DC/DC...
Datasheet PDF File FX5545G108 PDF File

FX5545G108
FX5545G108

Overview
FX5545G108 Vishay The Smallest and Low Profile 0.
9V to 4.
5V*, 4A with 570W/in3 Power Density Efficiency up to 95% DC/DC Buck Converter FEATURES • Fully integrated DC/DC converter • High efficiency over large load range • 100% duty cycle • Power density - more than 570W/inch3 • 1µA shutdown current • 2.
5V to 6V input range (1Li+ and 3-cell NiCd or NiMH cells) • 0.
9V to 4.
5V* output voltage • Programmable PWM/PSM controls • Low output ripple • BGA construction • Temperature range: - 40°C to + 85°C • No external components required • Output power 15W • Maximum current 4A • Low profile * Note: For higher output voltage please consult factory at FunctionPAK@Vishay.
com The DC/DC converter is a programmable topology synchronized Buck converter for today’s continuous changing portable electronic market.
The DC/DC converter provides flexibility of utilizing various battery configurations and chemistries such as NiCd, NiMH, or Li+ with an input voltage range of 2.
5V to 6V.
An additional flexibility is provided with topology programmability to power multiple loads such as power amplifiers, microcontrollers, or baseband logic IC’s.
For ultra-high efficiency, converters are designed to operate in synchronous rectified PWM mode under full load while transforming into externally controlled pulse-skipping mode (PSM) under light load.
The DC/DC converter is available in 20-ports BGA package.
In order to satisfy the stringent ambient temperature requirements, the DC/DC converter is designed to handle the industrial temperature range of - 40°C to + 85°C.
APPLICATION • Cordless phones, PDA’s and others • Supply voltage source for low-voltage chip sets • Point of Load (POL) applications such as drivers for FPGA’s, microprocessors, DSP’s amplifiers, etc.
• Portable computers • Battery back-up supplies • Cameras ORDERING INFORMATION FX FUNCTION SIZE CIRCUIT IDENTIFIER OUTPUT VOLTAGE - Example: 3.
3V should be written as 3V3 as the V indicates the decimal point, or ADJ for adjustable ve...


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