Product Description

The TPS5430 is a high-output-current PWM converter that integrates a low resistance high side N-channel MOSFET. Included on the substrate with the listed features are a high performance voltage error amplifier that provides tight voltage regulation accuracy under transient conditions; an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5 V; an internally set slow-start circuit to limit inrush currents; and a voltage feed-forward circuit to improve the transient response. Using the ENA pin, shutdown supply current is reduced to 18 μA typically. Other features include an active-high enable, overcurrent limiting, overvoltage protection and thermal shutdown. To reduce design complexity and external component count, the TPS5430 feedback loop is internally compensated. The TPS5430 regulates a wide variety of power sources including 24-V bus.

The TPS5430 device is available in a thermally enhanced, easy to use 8-pin SOIC PowerPADTM package. TI provides evaluation modules and the Designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.

Product Features  

Wide Input Voltage Range: 5.5 V to 36 V

Up to 3-A Continuous (4-A Peak) Output Curren 

High Efficiency up to 95% Enabled by 110-mΩ Integrated MOSFET Switch

Wide Output Voltage Range: Adjustable Down to 1.22 V with 1.5% Initial Accuracy

Internal Compensation Minimizes External Parts Count

Fixed 500 kHz Switching Frequency for Small Filter Size

Improved Line Regulation and Transient Response by Input Voltage Feed Forward

System Protected by Overcurrent Limiting, Overvoltage Protection and Thermal Shutdown

-40 °C to 125 °C Operating Junction Temperature Range

Available in Small Thermally Enhanced 8-Pin SOlC PowerPADTM Package

Product Applications

Consumer: Set-top Box, DVD, LCD Displays

Industrial and Car Audio Power Supplies

Battery Chargers, High Power LED Supply

12-V/24-V Distributed Power Systems

5G Communication 

Electrification of automobile

Industrial 4.0

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Standard packaging

Multiple product supply

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