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Details for Texas Instruments


Wide Input Non-Synchronous Buck DC/DC Controller
Buy Directly from Texas Instruments (5420 in Stock)
$0.8800 per unit
Series Information for TPS40200D - Texas Instruments


  • feature
    200-mA Internal P-channel FET Driver
  • feature
    700 mV 1% Reference Voltage
  • feature
    External Synchronization
  • feature
    Hiccup Overcurrent Fault Recovery
  • feature
    Input Voltage Range 4.5 V to 52 V
  • feature
    Output Voltage (700 mV to 90% VIN)
  • feature
    Programmable Closed-Loop Soft-Start
  • feature
    Programmable Fixed-Frequency (between 35 kHz and 500 kHz) Operation
  • feature
    Programmable Short-Circuit Protection
  • feature
    Small 8-Pin SOIC (D) and VSON (DRB) Packages
  • feature
    Undervoltage Lockout
  • feature
    Voltage Feed-Forward Compensation


The TPS40200 is a flexible, non-synchronous controller with a built-in 200-mA driver for P-channel FETs. The circuit operates with inputs up to 52 V with a power-saving feature that turns off driver current once the external FET has been fully turned on. This feature extends the flexibility of the device, allowing it to operate with an input voltage up to 52 V without dissipating excessive power. The circuit operates with voltage-mode feedback and has feed-forward input voltage compensation that responds instantly to input voltage change. The integral 700-mV reference is trimmed to 2%, providing the means to accurately control low voltages. The TPS40200 is available in an 8-pin SOIC and an 8-pin VSON package and supports many of the features of more complex controllers. Clock frequency, soft-start, and overcurrent limits are each easily programmed by a single, external component. The part has undervoltage lockout, and can be easily synchronized to other controllers or a system clock to satisfy sequencing and/or noise-reduction requirements.


Supply Voltage Min:
Supply Voltage Max:
No. of Outputs:
1 Output
Duty Cycle (%):
Controller IC Case Style:
No. of Pins:
Switching Frequency:
Buck (Step Down)

Alternate Descriptions

Avnet America

DC DC Cntrlr Single-OUT Step Down 4.5V to 52V Input 8-Pin SOIC Tube

Avnet America product

Avnet Europe

DC DC Cntrlr Single-OUT Step Down 4.5V to 52V Input 8-Pin SOIC Tube

Avnet Europe product

Texas Instruments

Wide Input Non-Synchronous Buck DC/DC Controller

Texas Instruments product