TPS5430MDDAREP ,Enhanced Product 5.5V to 36V Input, 3A, 500kHz Step Down Converter 8-SO PowerPAD -55 to 125...... SLVS911–MARCH 2009(1) (2)DISSIPATION RATINGSTHERMAL IMPEDANCEPACKAGEJUNCTION-TO-AMBIENT(3)8- ..
TPS5430MDDAREPG4 ,Enhanced Product 5.5V to 36V Input, 3A, 500kHz Step Down Converter 8-SO PowerPAD -55 to 125/swiftmeet aggressive equipment development cycles.SUPPORTS DEFENSE, AEROSPACE,AND MEDICAL APPLICAT ..
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TPS5430MDDAREP-TPS5430MDDAREPG4
聽Enhanced Product 5.5V to 36V Input, 3A, 500kHz Step Down Converter聽
1FEATURES
DESCRIPTION
SUPPORTS DEFENSE, AEROSPACE,
APPLICATIONS
TPS5430-EP
www.ti.com................................................................................................................................................................................................... SLVS911–MARCH 2009
3-A WIDE-INPUT-RANGE STEP-DOWN SWIFT™ CONVERTER Wide Input Voltage Range: 5.5Vto36V Upto 3-A Continuous (4-A Peak) Output Asa member of the SWIFT™ family of dc/dc
regulators, the TPS5430 isa high-output-current
Currentpulse-width modulation (PWM) converter that•
High Efficiency upto 95% Enabledby 110-mΩ integrates a low-resistance high-side N-channel
Integrated MOSFET Switch MOSFET. Included on the substrate with the listed•
Wide Output Voltage Range: Adjustable Down features are a high-performance voltage error
to 1.22V With 1.5% Initial Accuracy amplifier that provides tight voltage regulation
accuracy under transient conditions, an undervoltage•
Internal Compensation Minimizes External lockout (UVLO) circuitto prevent start-up until the
Parts Count input voltage reaches 5.5 V, an internally set•
Fixed 500-kHz Switching Frequency for Small slow-start circuitto limit inrush currents, anda voltage
Filter Size feed-forward circuit to improve the transient•
Improved Line Regulation and Transient response. Using the enable (ENA) pin, shutdown
supply currentis reducedto 18 μA typically. Other
Response by Input Voltage Feed Forwardfeatures include an active-high enable, overcurrent•
System Protected by Overcurrent Limiting, limiting, overvoltage protection (OVP) and thermal
Overvoltage Protection, and Thermal shutdown. To reduce design complexity and external
Shutdown component count, the TPS5430 feedback loop is•
–55°Cto 125°C Operating Junction internally compensated. The TPS5430 regulatesa
Temperature Range wide varietyof power sources including 24-V buses.
Availablein Small Thermally Enhanced 8-Pin The TPS5430 device is available ina thermally
SOIC PowerPAD™ Package enhanced, easy-to-use 8-pin SOIC PowerPAD™
package. TI provides evaluation modules and the•
For SWIFT™ Documentation, ApplicationSWIFT Designer software tool to aid in quickly
Notes, and Design Software, See theTI achieving high-performance power supply designsto
Websiteat www.ti.com/swift meet aggressive equipment development cycles.
AND MEDICAL APPLICATIONS Controlled Baseline One Assembly/Test Site One Fabrication Site Availablein Military (–55°C/125°C)
Temperature Range(1)
Extended Product Life Cycle Extended Product-Change Notification Product Traceability Industrial and Car Audio Power Supplies Battery Chargers, High-Power LED Supplies 12-V/24-V Distributed Power Systems(1) Additional temperature rangesare available- contact factory
