fx5545g0055v3b5e2 Vishay, fx5545g0055v3b5e2 Datasheet

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fx5545g0055v3b5e2

Manufacturer Part Number
fx5545g0055v3b5e2
Description
Fx5545g005 - Vishay Integrated Modules
Manufacturer
Vishay
Datasheet
Document Number: 10112
Revision: 05-Sep-06
* Pb containing terminations are not RoHS compliant, exemptions may apply
The DC/DC converter is a programmable topology
synchronized Buck converter for today’s continous 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 2.7V 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/LGA
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.
ORDERING INFORMATION
FUNCTION
SIZE
CIRCUIT IDENTIFIER
OUTPUT VOLTAGE - Output Voltage-Example: 2.7V should be written as 2V7 as
the V indicates the decimal point, or ADJ for adjustable version - self selectable output voltage.
PACKAGING - B1 = 10pcs in bulk; B5 = 50pcs in bulk; T1 = 13” reel; T2 = 7” reel.
For lead (Pb)-free solder please add E2 suffix. Leave blank for regular SnPb.
Industry Smallest and Low Profile
For marketing questions, contact FunctionPAK.marketing@vishay.com
with High Output Power Density
5W 1.5A DC/DC Buck Converter
FX
For technical questions, contact FunctionPAK@vishay.com
5545
FEATURES
• Fully integrated DC/DC converter
• High efficiency over large load range
• 100% duty cycle
• Power density - more than 100W/inch
• 1µA shutdown current
• 2.7V to 6V input range (1 Li+ and 3-cell NiCd
• 1.35V to 4.5V** output voltage
• Programmable PWM/PSM controls
• Low output ripple
• BGA/LGA construction
• Temperature range: - 40°C to + 85°C
• Output power 5W
• Maximum current 1.5A
• No external components needed
• Low profile
• UL recognized component E250930
** Note: For higher output voltage please consult factory at
APPLICATION
• Point of Load (POL) applications such as drivers for
• Cordless phones, PDAs and others
• Supply voltage source for low-voltage chip sets
• Portable computers
• Battery back-up supplies
• Cameras
• Routers
• Fiber optics
• LANS
• Image processing
or NiMH cells)
FunctionPAK@Vishay.com
FPGA’s, microprocessors, DSP’s amplifiers, etc.
G005
FX5545G005
3
www.vishay.com
Vishay
RoHS*
COMPLIANT
Available
11

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fx5545g0055v3b5e2 Summary of contents

Page 1

... For lead (Pb)-free solder please add E2 suffix. Leave blank for regular SnPb containing terminations are not RoHS compliant, exemptions may apply Document Number: 10112 Revision: 05-Sep-06 For marketing questions, contact FunctionPAK.marketing@vishay.com FEATURES • Fully integrated DC/DC converter • High efficiency over large load range • ...

Page 2

... PIN CONFIGURATION* F 0.02 ± 0.001 [0.5 ± 0.02] For technical questions, contact FunctionPAK@vishay.com PIN CONNECTION SYNC** N Vin 6, 10 PWM/PSM 11, 12 N/C 13, 17 GND 14, 18 ...

Page 3

... Storage °C Operating Junction °C Temp. Thermal Impedance °C/W D *Note Power Dissipated D Rise Time Rise Time (PWM mode): Vin = 6V; Vout = 3.3V; lout = 1.5A Document Number: 10112 Revision: 05-Sep-06 For marketing questions, contact FunctionPAK.marketing@vishay.com CONDITION PSM mode ...

Page 4

... Fluke and 34401 digital multimeter from Agilent; Scope: Infiniium 54815A from Agilent. www.vishay.com 14 For marketing questions, contact FunctionPAK.marketing@vishay.com PWM MODE PSM MODE Efficiency Vs. lout 0.05 0.1 0.15 Iout (A) For technical questions, contact FunctionPAK@vishay.com Vout Vs. Vin* Efficiency Vs. lout* Vout = 3.3V; Vin = 3.6V Vout Vs. lout* Vin = 6V Vin = 4V Vin = 6V 0.2 0.25 Document Number: 10112 Revision: 05-Sep-06 ...

Page 5

... Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right ...

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