Product details


Vin (Min) (V) 4.5 Vin (Max) (V) 18 Vout (Min) (V) 0.6 Vout (Max) (V) 5.5 Iout (Max) (A) 12 Iq (Typ) (mA) 0.08 Iq (Typ) (uA) 80 Switching frequency (Min) (kHz) 500 Switching frequency (Max) (kHz) 800 Features Enable, Forced PWM, Light Load Efficiency, Over Current Protection, Power Good, Soft Start Adjustable, Forced PWM, Soft Start Adjustable Operating temperature range (C) -40 to 125 Rating Catalog Regulated outputs (#) 1 open-in-new Find other Buck converters (integrated switch)

Package | Pins | Size

VQFN-HR (RJE) 20 9 mm² 3 x 3 open-in-new Find other Buck converters (integrated switch)


  • 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

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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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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 3
Type Title Date
* Datasheet TPS56C230 4.5-V to 18-V, 12-A Synchronous Step-Down Converter datasheet (Rev. A) Aug. 28, 2019
Selection guides Buck Converter Quick Reference Guide (Rev. A) Mar. 31, 2020
Technical articles Minimize the impact of the MLCC shortage on your power application Mar. 29, 2019

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide
TPS56C230 is a cost effective, high performance, synchronous buck converter with integrated FETs.
It operates with supply input voltage ranging from 4.5 V to 18 V. TPS56C230 uses DCAP3 control mode to provide a fast transient response and good line or load regulation results. This device requires no (...)
  • Input voltage range: 4.5 V to 18 V
  • Output voltage:0.6 V to 2.5 V
  • 12-A integrated 17 mΩ / 6 mΩ Rdson FET converter
  • D-CAP3TM architecture to enable POSCAP and MLCC output capacitor usage
  • FCCM/Eco-Mode selectable
  • 3 mm x 3 mm HotRod QFN package

Design tools & simulation

SLUM698.ZIP (109 KB) - PSpice Model
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)

CAD/CAE symbols

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VQFN-HR (RJE) 20 View options

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