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IP1203PBF

Part Number	IP1203PBF
Manufacturer	International Rectifier
Description	Single Output Full Function Synchronous Buck Power Block
Published	May 4, 2009
Detailed Description	PD- 97108 iP1203PbF www.datasheet4u.com Single Output Full Function Synchronous Buck Power Block Integrated Power Semi...
Datasheet	IP1203PBF PDF File

Overview

PD- 97108 iP1203PbF www.
datasheet4u.
com Single Output Full Function Synchronous Buck Power Block Integrated Power Semiconductors, PWM Control & Passives Features • • • • • • • • • • 5.
5V to 13.
2V Input Voltage 0.
8V to 8V Output Voltage 15A Maximum Load Capability 200-400kHz Nominal Switching Frequency Over Current Hiccup External Synchronization Capable Overvoltage Protection Over Temperature Protection Internal Features Minimize Layout Sensitivity Very Small Outline 9mm x 9mm x 2.
3mm iP1203PbF Power Block Description The iP1203PbF is a fully optimized solution for medium current synchronous buck applications requiring up to 15A.
It includes full function PWM control, with optimized power semiconductor chipsets and associated passives, achieving high power density.
Very few external components are required to create a complete synchronous buck power supply.
iPOWIR™ technology offers designers an innovative space-saving solution for applications requiring high power densities.
iPOWIR technology eases design for applications where component integration offers benefits in performance and functionality.
iPOWIR technology solutions are also optimized internally for layout, heat transfer and component selection.
iP1203PbF Simplified Application Schematic VIN Pin Number (See Page 18) 1, 23 2,3,4,5,7,17,20,21 Pin Name VIN PGND VCC_bypass SS CC FB FBs RT PGOOD VREF SYNC OCSET VSW VSWs VINs Pin Description Input voltage connection pins Power Ground pins PWM controller power supply pin.
Internally generated.
Requires a 2.
2µf external bypass capacitor Soft start pin.
External capacitor provides soft start.
Pulling soft start pin low will disable the output.
Cannot be cycled to unlatch OVP trip Output of the error amplifier Inverting input of the error amplifier Output overvoltage sense pin.
Switching frequency setting pin.
For RT selection, refer to Fig.
9 of the datasheet Power Good pin.
Open collector, requires external pulll-up.
If function not needed, pin can be left...

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IP1203PBF Single Output Full Function Synchronous Buck Power Block - International Rectifier

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