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FX5545G005 Datasheet(PDF) 1 Page - Vishay Siliconix

Part No. FX5545G005
Description  Industry Smallest and Low Profile 5W 1.5A DC/DC Buck Converter with High Output Power Density
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
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FX5545G005 Datasheet(HTML) 1 Page - Vishay Siliconix

   
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Document Number: 10112
For technical questions, contact FunctionPAK@vishay.com
For marketing questions, contact FunctionPAK.marketing@vishay.com
www.vishay.com
Revision: 21-Jan-05
11
FX5545G005
Vishay
Industry Smallest and Low Profile
5W 1.5A DC/DC Buck Converter
with High Output Power Density
FEATURES
• Fully integrated DC/DC converter
• High efficiency over large load range
• 100% duty cycle
• Power density - more than 100W/inch3
• 1µA shutdown current
• 2.7V to 6V input range (1 Li+ and 3-cell NiCd or NiMH cells)
• 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
*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 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.
APPLICATION
• Point of Load (POL) applications such as drivers for
FPGA’s, microprocessors, DSP’s amplifiers, etc.
• 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
ORDERING INFORMATION
FX
5545
G005
FUNCTION
SIZE
CIRCUIT IDENTIFIER
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.


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