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TPS40056
  • TPS40056
  • TPS40056

TPS40056

ACTIVE

Wide Vin (10V-40V) Synchronous Buck DC/DC Controller with Tracking

Texas Instruments TPS40056 Product Info

1 April 2026 4

Parameters

Rating

Catalog

Topology

Buck Controller

Iout (max) (A)

12

Vin (max) (V)

40

Vin (min) (V)

8

Vout (max) (V)

6

Vout (min) (V)

-0.3

Control mode

Voltage mode

Features

Synchronous Rectification, Tracking, UVLO Fixed

Duty cycle (max) (%)

98

Iq (typ) (A)

0.0015

Number of phases

1

Operating temperature range (°C)

-40 to 85

Package

HTSSOP (PWP)-16-32 mm² 5 x 6.4

Features

  • Operating Input Voltage 10 V to 40 V
  • Output Voltage Tracks External Reference
  • Programmable Fixed-Frequency Up to 100 kHz to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • Externally Synchronizable
  • Programmable Short-Circuit Protection
  • Thermal Shutdown
  • 16-Pin PowerPAD™ Package (JC = 2°C/W)
  • Programmable Closed-Loop Soft-Start
  • APPLICATIONS
    • DDR Tracking Regulators
    • Power Modules
    • Networking Equipment
    • Industrial Servers

PowerPAD is a trademark of Texas Instruments.

  • Operating Input Voltage 10 V to 40 V
  • Output Voltage Tracks External Reference
  • Programmable Fixed-Frequency Up to 100 kHz to 1 MHz Voltage Mode Controller
  • Internal Gate Drive Outputs for High-Side and Synchronous N-Channel MOSFETs
  • Externally Synchronizable
  • Programmable Short-Circuit Protection
  • Thermal Shutdown
  • 16-Pin PowerPAD™ Package (JC = 2°C/W)
  • Programmable Closed-Loop Soft-Start
  • APPLICATIONS
    • DDR Tracking Regulators
    • Power Modules
    • Networking Equipment
    • Industrial Servers

PowerPAD is a trademark of Texas Instruments.

Description

The TPS40056 is part of a family of high-voltage, wide input, synchronous, step-down converters. The TPS40056 offers design flexibility with a variety of user programmable functions, including soft-start, operating frequency, high-side current limit, and loop compensation. The TPS40056 is also synchronizable to an external supply. It incorporates MOSFET gate drivers for external N-channel high-side and synchronous rectifier (SR) MOSFETs. Gate drive logic incorporates anti-cross conduction circuitry to prevent simultaneous high-side and synchronous rectifier conduction. The externally programmable short circuit protection provides pulse-by-pulse current limit, as well as hiccup mode operation utilizing an internal fault counter for longer duration overloads.

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