TPS5430DDAR original IC SO-PowerPad-8 Step-Down Converter IC

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SKU: 649707


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Brand: Generic
Category: ADC and DAC ICs

The TPS5430DDAR 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 feedforward circuit to improve the transient response.
Using the ENA pin, the shutdown supply current is reduced to 18 μA typically. Other features include an active-high enable, overcurrent limiting, over-voltage protection, and thermal shutdown. To reduce design complexity and external component count, the

TPS543x feedback loop is internally compensated. The TPS5431 is intended to operate from power rails up to 23 V. The TPS5430 regulates a wide variety of power sources including 24 V bus. The TPS543x device is available in a thermally enhanced, easy-to-use 8-pin SOIC PowerPAD package. TI provides evaluation modules and the
A designer software tool to aid in quickly achieving high-performance power supply designs to meet aggressive equipment development cycles.


  1. Wide Input Voltage Range
    1. TPS5430: 5.5 V to 36 V
    2. TPS5431: 5.5 V to 23 V
  2. Up to 3-A Continuous (4-A Peak) Output Current
  3. High Efficiency up to 95% Enabled by 110-mΩ
  4. Integrated MOSFET Switch
  5. Wide Output Voltage Range: Adjustable Down to 1.22 V with 1.5% Initial Accuracy
  6. Internal Compensation Minimizes External Parts Count
  7. Fixed 500 kHz Switching Frequency for Small Filter Size
  8. Improved Line Regulation and Transient
  9. Response by Input Voltage Feed Forward
  10. System Protected by Overcurrent Limiting,
  11. Overvoltage Protection and Thermal Shutdown –40°C to 125°C Operating Junction Temperature Range
  12. Available in Small Thermally Enhanced 8-Pin SO PowerPAD Package

Package Includes:

1 x TPS5430DDAR original IC SO-PowerPad-8



SKU: 649707 Category:
Mounting Style




Output Voltage


Output Current

3 A

Number of Outputs:

1 Output

Input Voltage MAX:

36 V

Input Voltage MIN

5.5 V

Switching Frequency

500 kHz

Minimum Operating Temperature:

– 40 C

Maximum Operating Temperature

+ 125 C

Shipping Weight 0.02 kg
Shipping Dimensions 5 × 3 × 1 cm

Based on 2 reviews

5.0 overall

Add a review

  1. vijayan s (verified owner)

    good product

    vijayan s

  2. vijayan s (verified owner)

    Very good product

    vijayan s


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Country Of Origin: China