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AC/DC 和 DC/DC 控制器 (外部 FET)

UCC256301

不推薦在新設計中採用

支援超低待機功耗且具有高壓啟動功能的寬輸入電壓 LLC 全橋式控制器

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產品規格表
UCC256301 不建議用於新設計
儘管為了支援以前的設計而繼續生產此項產品，但我們並不建議用在新設計上。考量下列其中一項替代產品：
open-in-new 比較替代產品
功能相同，但引腳輸出與所比較的產品不同
最新 UCC25660 現行 寬 VIN 和 VOUT 750kHz LLC 控制器 Capable of higher operating frequency and supports wider VIN/VOUT operation
功能相似於所比較的產品
UCC256404 現行 具有超低功耗、超靜音待機運作和高電壓啟動功能的 LLC 全橋式控制器 This part offers lower audible noise in applications

UCC256301

不推薦在新設計中採用
產品規格表 立即訂購

產品詳細資料

Vin (min) (V) 13 Vin (max) (V) 30 Operating temperature range (°C) -40 to 125 Control mode Current Topology Half bridge, LLC Rating Catalog Features High voltage gate driver integrated, High voltage startup, Hybrid hysteretic control, Light load efficiency, Over Temperature Protection, Wide DC input, X capacitor discharge integrated
Vin (min) (V) 13 Vin (max) (V) 30 Operating temperature range (°C) -40 to 125 Control mode Current Topology Half bridge, LLC Rating Catalog Features High voltage gate driver integrated, High voltage startup, Hybrid hysteretic control, Light load efficiency, Over Temperature Protection, Wide DC input, X capacitor discharge integrated
SOIC (DDB) 14 59.4 mm² 9.9 x 6
  • Hybrid Hysteretic Control (HHC)
    • Best-in-Class Transient Response
    • Easy Compensation Design
  • Optimized Low Power Features Enable 75 mW
    Standby Power Design with PFC on
    • Advanced Burst Mode
      Opto-Coupler Low Power Operation
    • Helps Enable Compliance to CoC Tier II Standard
  • Fast Exit from Burst Mode
  • Improved Capacitive Region Avoidance Scheme
  • Adaptive Dead-Time
  • Internal High-Side Gate Drivers
    (0.6-A and 1.2-A Capability)
  • Robust Soft Start with No Hard Switching
  • Over Temperature, Output Over Voltage, Input
    Over and Under Voltage Protection with
    Three Levels of Over Current Protections
  • Wide Operating Frequency Range
    (35 kHz to 1 MHz)
  • LLC Resonant Controller in SOIC16
    with High Voltage Clearance
  • Create a Custom Design Using the UCC256301 With the WEBENCH® Power Designer
  • Hybrid Hysteretic Control (HHC)
    • Best-in-Class Transient Response
    • Easy Compensation Design
  • Optimized Low Power Features Enable 75 mW
    Standby Power Design with PFC on
    • Advanced Burst Mode
      Opto-Coupler Low Power Operation
    • Helps Enable Compliance to CoC Tier II Standard
  • Fast Exit from Burst Mode
  • Improved Capacitive Region Avoidance Scheme
  • Adaptive Dead-Time
  • Internal High-Side Gate Drivers
    (0.6-A and 1.2-A Capability)
  • Robust Soft Start with No Hard Switching
  • Over Temperature, Output Over Voltage, Input
    Over and Under Voltage Protection with
    Three Levels of Over Current Protections
  • Wide Operating Frequency Range
    (35 kHz to 1 MHz)
  • LLC Resonant Controller in SOIC16
    with High Voltage Clearance
  • Create a Custom Design Using the UCC256301 With the WEBENCH® Power Designer

The UCC256301 is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC stage to provide a complete power system using a minimum of external components. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter, and with PFC stage running all the time. UCC256301 includes a range of features designed to make LLC converter operation well controlled and robust. This device aims to unburden the LLC designer and allow mainstream applications to benefit from efficiency advantages of the LLC topology.

UCC256301 uses hybrid hysteretic control to provide best in class line and load transient response. The control effort is approximately linear proportional to average input current in one cycle. The control makes the open loop transfer function a first order system so that it’s very easy to compensate. The system is always stable with proper frequency compensation.

UCC256301 provides a high efficient burst mode with consistent burst power level during each burst on cycle. The burst power level is programmable and adaptively changes with input voltage, making the optimization of efficiency very easy.

The UCC256301 is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC stage to provide a complete power system using a minimum of external components. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter, and with PFC stage running all the time. UCC256301 includes a range of features designed to make LLC converter operation well controlled and robust. This device aims to unburden the LLC designer and allow mainstream applications to benefit from efficiency advantages of the LLC topology.

UCC256301 uses hybrid hysteretic control to provide best in class line and load transient response. The control effort is approximately linear proportional to average input current in one cycle. The control makes the open loop transfer function a first order system so that it’s very easy to compensate. The system is always stable with proper frequency compensation.

UCC256301 provides a high efficient burst mode with consistent burst power level during each burst on cycle. The burst power level is programmable and adaptively changes with input voltage, making the optimization of efficiency very easy.
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類型 標題 日期
* Data sheet UCC256301 Hybrid Hysteretic Mode Wide VIN LLC Resonant Controller Enabling Ultra-Low Standby Power datasheet (Rev. C) PDF | HTML 2020年 1月 17日
Application note Improving Transient Response in LLC Converters Using Hybrid Hysteretic Control (Rev. B) 2021年 4月 7日
Application note Migrating to UCC25640x from UCC25630x (Rev. A) 2019年 12月 10日
Application brief Exceeding Modern Energy Standards with 'Always On' PFC and LLC Controllers​ (Rev. B) 2019年 8月 1日
Technical article Three considerations for achieving high efficiency and reliability in industrial A PDF | HTML 2019年 4月 4日
Technical article How topology selection can help improve reliability in industrial AC/DC power supp PDF | HTML 2019年 2月 14日
Application note Improving ZVS and efficiency in LLC converters 2018年 11月 5日
EVM User's guide Using UCC25630-1EVM-291 (Rev. B) 2018年 1月 30日
Application note UCC25630x Practical Design Guidelines (Rev. A) 2017年 12月 8日
Technical article How to boost efficiency in your industrial AC/DC power supply PDF | HTML 2017年 11月 9日
Certificate IEC60065 Certification 2017年 11月 7日
Certificate IEC60950 Certification 2017年 11月 7日
Certificate IEC62368 Certification 2017年 11月 7日
Application note AC Ripple Rejection in AC/DC Systems Using LLC 2017年 10月 31日
Technical article Gain top-notch efficiency for your desktop PSU PDF | HTML 2017年 10月 30日
Technical article Crank up your power supply with LLC controllers PDF | HTML 2017年 10月 23日
Technical article Up your game with LLC resonant controllers PDF | HTML 2017年 10月 23日
Selection guide UCC25630x Selection Guide 2017年 8月 29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

UCC25630-1EVM-291 — UCC256301 LLC 評估模組

UCC25630-1EVM-291 is an EVM of LLC resonant half-bridge DC-DC power converter with LLC controller UCC256301. UCC25630-1EVM-291 accepts DC line input from 340Vdc to 410Vdc, AC input voltage from 85 VAC to 264 VAC, and outputs nominal 12Vdc with full load output power 120W, or full output current 10A.

使用指南: PDF
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模擬型號

UCC256301 SIMPLIS Model

SLUM596.ZIP (108 KB) - SIMPLIS Model
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計算工具

SLUC634 — UCC25630x Design Calculator

支援產品和硬體

支援產品和硬體

產品
AC/DC 和 DC/DC 控制器 (外部 FET)
UCC256301 — 支援超低待機功耗且具有高壓啟動功能的寬輸入電壓 LLC 全橋式控制器 UCC256302 — 支援低待機功耗且具有高壓啟動功能的 LLC 全橋式控制器 UCC256303 — 支援低待機功耗的 LLC 全橋式控制器 UCC256304 — 支援低待機功耗且具有高壓啟動功能的寬輸入電壓 LLC 全橋式控制器
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參考設計

TIDA-01494 — 24 V、480 W 額定 720 W 峰值、效率超出 93.5%、穩固 AC/DC 工業電源供應參考設計

The TIDA-01494 reference design is a compact, high efficiency, 24-V DC, 480-W nominal, 720-W peak output reference design for industrial AC/DC power supplies. The circuit consists of a front-end continuous conduction mode (CCM) power factor correction (PFC) circuit followed by a robust LLC stage (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-010015 — 94.5% 效率、500W 工業 AC-DC 參考設計

This reference design is a compact, high efficiency, 24-V DC, 500-W reference design for industrial AC/DC power supplies. This design consists of a front-end, two-phase interleaved transition mode (TM) power factor correction (PFC) based on the UCC28064A. This minimizes the PFC inductor size and (...)
Design guide: PDF
電路圖: PDF
參考設計

TIDA-01495 — 480W、<17 mm, Thin Profile, 94% Efficiency, Fast Transient Response AC/>C SMPS 參考設計

TIDA-01495 是一款小巧 (17 mm 高)、94.1% 峰值效率、高功率密度、通用輸入、24-V DC、480-W 輸出、消費性 AC/DC 電源供應器參考設計。此電路包含 UCC28063A 型的前端雙相交錯式轉換模式 (TM) 功率因數校正 (PFC)，可將 PFC 電感器尺寸縮減到最小，並可降低 EMI 濾波器需求。HB-LLC 隔離式 DC/DC 級由 UCC256301 混合遲滯控制 LLC 控制器所控制，可確保快速瞬態回應，進而縮減 PFC 體積及輸出電容器尺寸。PFC 級的切相技術和 LLC 級的進階叢發模式最佳化功能，有助於在 5% 負載 (230V AC) (...)
Design guide: PDF
電路圖: PDF
參考設計

PMP20795 — 具有低待機功耗的 200 kHz LLC 串聯全橋式轉換器參考設計

The PMP20795 reference design uses UCC256301 enhanced LLC controller with integrated driver to provide 24V/12A output from a nominal 380VDC input. UCC256301 provides hybrid hysteresis control (HHC) to enable a fast transient response. In this design, a 1st order system with over 6kHz bandwidth is (...)
Test report: PDF
電路圖: PDF
參考設計

PMP40281 — LLC 全橋式轉換器控制卡參考設計

This reference design is a a control card for LLC converter. It integrates all of the essential functions for controlling a LLC converter including the HV start-up, X-capacitor discharge and the drivers for the power FETs. By employing the advanced burst mode, it can also help the LLC converter to (...)
Test report: PDF
電路圖: PDF
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