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AC/DC & DC/DC converters (integrated FET)

UCC25230

現行

12V 至 105V 輸入，0.2A 輸出切換式轉換器

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LM5168-Q1 現行 具有 Fly-Buck™ 功能的車用 6-V 至 120-V 大範圍 VIN、300-mA DC-DC 轉換器 120-V synchronous, flybuck or standard buck configuration.

UCC25230

現行
產品規格表 立即訂購

產品詳細資料

Iout (max) (A) 0.2 Vin (min) (V) 12 Vin (max) (V) 75 Topology Buck, Flybuck Type Flybuck Switching frequency (min) (kHz) 324 Switching frequency (max) (kHz) 380 Features Integrated Switch Control mode Feedforward, Voltage Vout (min) (V) 8.5 Vout (max) (V) 9.5 Rating Catalog Operating temperature range (°C) -40 to 125
Iout (max) (A) 0.2 Vin (min) (V) 12 Vin (max) (V) 75 Topology Buck, Flybuck Type Flybuck Switching frequency (min) (kHz) 324 Switching frequency (max) (kHz) 380 Features Integrated Switch Control mode Feedforward, Voltage Vout (min) (V) 8.5 Vout (max) (V) 9.5 Rating Catalog Operating temperature range (°C) -40 to 125
VSON (DRM) 8 16 mm² 4 x 4
  • 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
  • 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

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 .

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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類型 標題 日期
* Data sheet 12-V to 100-V Input, 0.2-A Output Switching Converter datasheet (Rev. B) 2012年 4月 13日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
Application note UCC25230 Bias Power-Supply Design Review 2012年 2月 23日
User guide Using the UCC25230EVM-662 2012年 2月 7日
EVM User's guide Using the UCC25230EVM-754 2011年 9月 28日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

UCD3138HSFBEVM-029 — UCD3138 硬切換全橋式轉換器評估模組

德州儀器 UCD3138HSFBEVM-029 評估模組 (EVM) 是以 UCD3138RHA 可編程數位電源控制器為架構的數位控制硬切換全橋轉換器。EVM 是一款專為 48V 輸入系統設計的獨立對稱式硬切換全橋 (HSFB) DC-DC 電源轉換器。UCD3138HSFBEVM-029 接受 36 至 72Vdc 的 DC 輸入，並輸出額定 12Vdc、全輸出負載功率 360W 或全輸出電流 30A。防護功能包括過電壓、欠電壓、過電流和過熱。功能包括輸入電壓前饋、預偏壓啟動與 PMBus 通訊。UCD3138HSFBEVM-029 也隨附 USB-TO-GPIO (...)

使用指南: PDF
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模擬型號

UCC25230 TINA-TI Transient Reference Design

SLUM299.TSC (399 KB) - TINA-TI Reference Design
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模擬型號

UCC25230 TINA-TI Transient Spice Model

SLUM300.ZIP (23 KB) - TINA-TI Spice Model
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模擬型號

UCC25230 Unencrypted PSpice Transient Model Package (Rev. A)

SLUM240A.ZIP (49 KB) - PSpice Model
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參考設計

PMP8877 — 1/8 磚隔離式 DC/DC 電信電源模組數位控制參考設計

PMP8877 是一款以 UCD3138 數位電源控制器為基礎的全功能 1/8 磚型隔離式 DC/DC 電信電源模組。參考設計具備二次側控制與硬切換全橋電源拓撲，可提供跨廣泛 36V-72V 輸入來源運作的 12V/180W 輸出功率。參考設計的特點包括 94% 的峰值效率、對輸入電壓突波的快速輸入電壓前饋回應、定電流/恆定功率過載防護、預偏壓啟動、並聯模組應用的分流控制，以及與同等控制器通訊的 PMBUS 支援。偏壓電源區塊採用 UCC25230，而此設計中使用的閘極驅動器包括驅動 SR MOSFET 的 UCC27524，以及驅動一次側半橋 MOSFET 的 (...)
Test report: PDF
電路圖: PDF
參考設計

PMP8878 — 1/8 磚型隔離式 DC/DC 電信電源模組參考設計

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 (...)
Test report: PDF
電路圖: PDF
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