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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 11

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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