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TPS5410QDRQ1
Automotive Catalog 5.5V to 36V, 1A, 500kHz Step Down SWIFT(tm) Converter 8-SOIC -40 to 125
VOUT100 0.2 0.4 0.6 1 1.2 1.4 Output CurrentAO --
Efficiency vs Output Current = 12 V = 500 kHzC
TPS5410-Q1
www.ti.com......................................................................................................................................................................................... SLVSA23 –SEPTEMBER 2009
1-A, WIDE INPUT RANGE, STEP-DOWN SWIFT™ CONVERTER
Checkfor Samples: TPS5410-Q1
1FEATURES APPLICATIONS Consumer: Set-top Box, DVD, LCD Displays Qualified for Automotive Applications Industrial and Car Audio Power Supplies• Wide Input Voltage Range: 5.5Vto36V Battery Chargers, High Power LED Supply• Upto 1-A Continuous (1.2-A Peak) Output 12-V/24-V Distributed Power SystemsCurrent High Efficiency upto 95% Enabledby 110-mΩ DESCRIPTIONIntegrated MOSFET Switcha member of the SWIFT™ family of DC/DC
• Wide Output Voltage Range: Adjustable Down regulators, the TPS5410 isa high-output-current
to 1.22V with 1.5% Initial Accuracy PWM converter that integratesa low resistance high
• Internal Compensation Minimizes External side N-channel MOSFET. Included on the substrate
Parts Count with the listed featuresisa high performance voltage
Fixed 500-kHz Switching Frequency for Small error amplifier that provides tight voltage regulation
accuracy under transient conditions; an
Filter Sizeundervoltage-lockout circuitto prevent start-up until
• Improved Line Regulation and Transient the input voltage reaches 5.5 V; an internally set
Response by Input Voltage Feed Forward slow-start circuitto limit inrush currents; anda voltage
• System Protected by Over Current Limiting, feed-forward circuit to improve the transient
Over Voltage Protection and Thermal response. Using the ENA pin, shutdown supply
Shutdown currentis reducedto 18 μA typically. Other features
include an active high enable, overcurrent limiting,
• –40°Cto 125°C Operating Junction overvoltage protection and thermal shutdown. To
Temperature Range reduce design complexity and external component
• Availablein Small 8-Pin SOIC Package count, the TPS5410 feedback loop is internally
For SWIFT Documentation, Application Notes compensated.
and Design Software, See theTI Websiteat The TPS5410 deviceis availablein an easyto use
www.ti.com/swift 8-pin SOIC package.TI provides evaluation modules
and software tools to aid in quickly achieving
high-performance power supply designs to meet
aggressive equipment development cycles.
