UCC25230

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12V to 105V Input, 0.2A Output Switching Converter

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Product details

Parameters

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Package | Pins | Size

VSON (DRM) 8 16 mm² 4 x 4 open-in-new Find other Isolated DC/DC converters & modules

Features

  • Highly Integrated Converter Operating as a Buck, or Isolated Forward-Flyback, Flybuck™
  • Wide Operating Input Voltage Range from 12 V to 100 V, 105-V Surge.
  • Up to 0.2-A Output Current
  • 9-V Always Available VDD Output with up to 2-mA Current Capability
  • Thermally Enhanced 4-mm x 4-mm SON-8/S-PVSON-N8 (DRM) Package
  • Internally Set Fixed 380-kHz Switching Frequency
  • Internal 2-ms Duration Soft Start
  • Voltage Mode Control with Input Feed Forward Allows Optimal Output Filter Design
  • 2% Accuracy Internal 2.5-V Reference
  • VDD UVLO
  • Cycle-by-Cycle Current Limit with Frequency Fold Back for Initial Start up Under High Capacitive Loads
  • Input UVLO and OVLO with Input Good Signal
  • Integrated 110-V, High and Low-Side Switches
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Description

The UCC25230 is a highly integrated PWM converter operating as an isolated forward flyback. It has high-side and low-side power switches integrated and the control circuit with all key converter functions included. The power stage requires only one- or multiple winding coupled inductor and output capacitors for the complete solution. Voltage-mode feed-forward control with external compensation allows optimal output filter selection over wide input voltage range. The UCC25230 has fixed frequency set internally at 380 kHz. It also includes input voltage UVLO and OVLO comparators with hysteresis and input-good, open-collector output signal which can be used to enable PWM controllers.

UCC25230 is available in a thermally enhanced 8-pin SON package with PowerPad serving as a ground pin.

Other features include internal soft start and cycle-by-cycle current protection. Measured efficiency of isolated converter over input voltage and output current ranges are shown in .

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Technical documentation

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Type Title Date
* Datasheet 12-V to 100-V Input, 0.2-A Output Switching Converter datasheet (Rev. B) Apr. 13, 2012
Selection guide Power Management Guide 2018 (Rev. R) Jun. 25, 2018
Application note UCC25230 Bias Power-Supply Design Review Feb. 23, 2012
User guide Using the UCC25230EVM-662 Feb. 07, 2012
User guide Using the UCC25230EVM-754 Sep. 28, 2011

Design & development

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

Hardware development

EVALUATION BOARD Download
199
Description
The Texas Instruments UCD3138HSFBEVM-029 evaluation module (EVM) is a digitally controlled hard switching full bridge converter based on the UCD3138RHA programmable digital power controller. The EVM is a standalone Symmetrical Hard Switching Full-Bridge (HSFB) DC-DC power converter designed for (...)
Features
  • Digitally controlled and standalone hard switching full-bridge DC-DC power conversion
  • Voltage mode control
  • Secondary side control
  • DC input from 36 to 72Vdc
  • 12Vdc regulated output from no-load to full-load
  • Full-load power 360W, or full-load current 30A
  • High efficiency
  • Constant soft start time
  • Protection (...)

Design tools & simulation

SIMULATION MODEL Download
SLUM240A.ZIP (49 KB) - PSpice Model
SIMULATION MODEL Download
SLUM299.TSC (399 KB) - TINA-TI Reference Design
SIMULATION MODEL Download
SLUM300.ZIP (23 KB) - TINA-TI Spice Model

Reference designs

REFERENCE DESIGNS Download
1/8 Brick Isolated DC/DC Telecom Power Module Digital Control Reference Design
PMP8877 PMP8877 is a full-function 1/8th brick isolated DC/DC telecom power module based on the UCD3138 digital power controller. The reference design features secondary side control and hard switching full bridge power topology to deliver 12V/180W of output power operating across a wide range 36V-72V input (...)
document-generic Schematic
REFERENCE DESIGNS Download
1/8 Brick Isolated DC/DC Telecom Power Module Reference Design
PMP8878 PMP8878 is a full-function 1/8th brick isolated DC/DC telecom power module based on UCC28250 advanced PWM controller. The reference design features secondary side control and hard switching full bridge power topology to deliver 12V/180W of output power operating across a wide range 40V-75V input (...)
document-generic Schematic
Design files

CAD/CAE symbols

Package Pins Download
VSON (DRM) 8 View options

Ordering & quality

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