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TPS56C230
  • TPS56C230

TPS56C230

ACTIVE

4.5-V to 18-V, 12-A synchronous SWIFT™ buck converter optimized for solution cost

Texas Instruments TPS56C230 Product Info

1 April 2026 4

Parameters

Rating

Catalog

Topology

Buck

Iout (max) (A)

12

Vin (max) (V)

18

Vin (min) (V)

4.5

Vout (max) (V)

5.5

Vout (min) (V)

0.6

Features

Enable, Forced PWM, Light-load efficiency, Overcurrent protection, Power good, Soft-start adjustable, Synchronous rectification

Control mode

D-CAP3

Operating temperature range (°C)

-40 to 125

Iq (typ) (A)

0.00008

Duty cycle (max) (%)

91

Package

VQFN-HR (RJE)-20-9 mm² 3 x 3

Features

  • Input voltage range: 4.5 V to 18 V
  • Output voltage range: 0.6 V to 5.5 V
  • Supports 12-A continuous output current
  • D-CAP3™ architecture control for fast transient response
  • ±1% feedback voltage accuracy (25°C)
  • Integrated 17-mΩ and 5.9-mΩ FETs
  • Selectable Eco-mode™ and Forced Continuous Conductive Mode (FCCM) by MODE pin
  • 500-kHz switching frequency
  • Adjustable soft-start time with default 1.2 ms
  • Integrated Power Good indicator
  • Built-in output discharge function
  • Cycle-by-cycle over current protection
  • Non-latched over-voltage, under-voltage, over-temperature and under voltage lock-out protections
  • -40°C to 125°C Operating Junction Temperature
  • 20-pin 3.0-mm × 3.0-mm HotRod™ VQFN package
  • Pin to pin compatible with 8-A TPS568230
  • Create a Custom Design Using the TPS56C230 With the WEBENCH® Power Designer
  • Input voltage range: 4.5 V to 18 V
  • Output voltage range: 0.6 V to 5.5 V
  • Supports 12-A continuous output current
  • D-CAP3™ architecture control for fast transient response
  • ±1% feedback voltage accuracy (25°C)
  • Integrated 17-mΩ and 5.9-mΩ FETs
  • Selectable Eco-mode™ and Forced Continuous Conductive Mode (FCCM) by MODE pin
  • 500-kHz switching frequency
  • Adjustable soft-start time with default 1.2 ms
  • Integrated Power Good indicator
  • Built-in output discharge function
  • Cycle-by-cycle over current protection
  • Non-latched over-voltage, under-voltage, over-temperature and under voltage lock-out protections
  • -40°C to 125°C Operating Junction Temperature
  • 20-pin 3.0-mm × 3.0-mm HotRod™ VQFN package
  • Pin to pin compatible with 8-A TPS568230
  • Create a Custom Design Using the TPS56C230 With the WEBENCH® Power Designer

Description

The TPS56C230 is a high efficiency synchronous buck converter with integrated FETs. System designers can use the device in a wide variety of applications since it draws low standby current and requires few external components.

The TPS56C230 employs D-CAP3 control that provides fast transient response and excellent line and load regulation with internal compensation. It also has a proprietary circuit that enables the device to support low equivalent series resistance (ESR) output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors.

TPS56C230‘s MODE pin can be used to set Eco-mode or FCCM mode for light-load operation. Eco-mode maintains high efficiency during light load operation, and FCCM mode operations keeps output ripple small at light load. The device supports both internal and external soft-start time option. It has an internal fixed soft-start time 1.2 ms, but if the application needs a longer soft-start time, the external SS pin can be used to achieve it by connecting a external capacitor.

The TPS56C230 integrates power good indicator and provides output discharge function. It provides complete protection including OVP, UVP, OCP, OTP and UVLO. The device is available in a 20-pin 3.0-mm x 3.0-mm HotRod package and the junction temperature is specified from –40°C to 125°C.

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