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TPS40200-HT
  • TPS40200-HT
  • TPS40200-HT
  • TPS40200-HT

TPS40200-HT

ACTIVE

High Temperature Wide Input Non-Synchronous Buck DC/DC Controller

Texas Instruments TPS40200-HT Product Info

1 April 2026 6

Parameters

Rating

High Temp

Topology

Buck Controller

Iout (max) (A)

3

Vin (max) (V)

52

Vin (min) (V)

4.5

Vout (max) (V)

46

Vout (min) (V)

0.7

Control mode

Voltage mode

Features

Frequency synchronization

Duty cycle (max) (%)

90

Iq (typ) (A)

0.0015

Number of phases

1

Operating temperature range (°C)

-55 to 210

Package

CFP (HKJ)-8-38.985 mm² 6.9 x 5.65

Features

  • Input Voltage Range 5.5 V to 52 V
  • Output Voltage (700 mV to 87% VIN)
  • 200-mA Internal P-Channel FET Driver
  • Voltage Feed-Forward Compensation
  • Undervoltage Lockout
  • Programmable Fixed-Frequency
    (35 kHz to 500 kHz) Operation
  • Programmable Short-Circuit Protection
  • Hiccup Overcurrent Fault Recovery
  • Programmable Closed-Loop Soft Start
  • 700-mV 1% Reference Voltage
  • External Synchronization
  • APPLICATIONS
    • Down-Hole Drilling
    • High Temperature Environments
  • Supports Extreme Temperature Applications
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Extreme (–55°C/210°C)
      Temperature Range(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability
    • Texas Instruments high temperature products utilize highly
      optimized silicon (die) solutions with design and process
      enhancements to maximize performance over extended
      temperatures.

(1) Custom temperature ranges available

  • Input Voltage Range 5.5 V to 52 V
  • Output Voltage (700 mV to 87% VIN)
  • 200-mA Internal P-Channel FET Driver
  • Voltage Feed-Forward Compensation
  • Undervoltage Lockout
  • Programmable Fixed-Frequency
    (35 kHz to 500 kHz) Operation
  • Programmable Short-Circuit Protection
  • Hiccup Overcurrent Fault Recovery
  • Programmable Closed-Loop Soft Start
  • 700-mV 1% Reference Voltage
  • External Synchronization
  • APPLICATIONS
    • Down-Hole Drilling
    • High Temperature Environments
  • Supports Extreme Temperature Applications
    • Controlled Baseline
    • One Assembly/Test Site
    • One Fabrication Site
    • Available in Extreme (–55°C/210°C)
      Temperature Range(1)
    • Extended Product Life Cycle
    • Extended Product-Change Notification
    • Product Traceability
    • Texas Instruments high temperature products utilize highly
      optimized silicon (die) solutions with design and process
      enhancements to maximize performance over extended
      temperatures.

(1) Custom temperature ranges available

Description

The TPS40200 is a flexible nonsynchronous 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. Clock frequency, soft start, and overcurrent limit each are 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.

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