Datasheet > UCC256302

UCC256302

更新时间： 2024-11-11 11:10:31

品牌	Logo	应用领域
德州仪器 - TI		控制器高压
页数	文件大小	规格书
66页	1883K
描述
支持低待机功耗且具有高压启动功能的 LLC 谐振控制器

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UCC256302

SLUSD69 –NOVEMBER 2017

UCC256302 LLC Resonant Controller with High Voltage Startup

Enabling Low Standby Power

1 Features

3 Description

The UCC256302 is a fully featured LLC controller

with integrated high-voltage gate driver. It has been

designed for use in offline AC-DC or isolated DC-DC

•

Integrated High Voltage Startup

–

Eliminates Need for External

Bias Supply

to provide

a complete power system using a

•

Best-in-Class Transient Response

Hybrid Hysteretic Control (HHC)

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.

–

Best-in-Class Transient Response

Easy Compensation Design

UCC256302 includes an integrated, high voltage

startup function which eliminates the need for an

external bias supply, reducing BOM count and

minimizing solution size. UCC256302 uses hybrid

hysteretic control to provide best in class line and

load transient response. The control makes the open

loop transfer function a first order system so that it’s

very easy to compensate.

•

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

UCC256302 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.

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

Select the appropriate LLC resonant controller for

your design with UCC25630x Selection Guide

Over Temperature, Output Over Voltage, Input

Over and Under Voltage Protection with

Three Levels of Over Current Protections

Device Information⁽¹⁾

PART NUMBER

PACKAGE

BODY SIZE (NOM)

•

Wide Operating Frequency Range

(35 kHz to 1 MHz)

UCC256302

SOIC (14)

9.9 mm x 3.9 mm

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Select the appropriate LLC resonant controller for

your design with UCC25630x Selection

GuideUCC25630x Selection Guide

Simplified Schematic

•

Create a Custom Design Using the UCC256302

With the WEBENCH^®Power Designer

2 Applications

•

Digital TV SMPS

AC-DC Adapter

Multi-Functional Printers

Projectors

Merchant DC-to-DC

High Power Battery Charging

DIN Rail Power Supply

Multi-Axis Servo

ATX Power Supply

Appliances

LED Lighting Applications

Industrial AC-DC

•

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...66

中文翻译

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与UCC256302相关器件

型号	品牌	获取价格	描述	数据表
UCC25630-2DDBR	TI	获取价格	支持低待机功耗且具有高压启动功能的 LLC 谐振控制器 \| DDB \| 14 \| -40
UCC25630-2DDBT	TI	获取价格	支持低待机功耗且具有高压启动功能的 LLC 谐振控制器 \| DDB \| 14 \| -40
UCC256303	TI	获取价格	支持低待机功耗的 LLC 谐振控制器
UCC25630-3DDBR	TI	获取价格	支持低待机功耗的 LLC 谐振控制器 \| DDB \| 14 \| -40 to 125
UCC25630-3DDBT	TI	获取价格	支持低待机功耗的 LLC 谐振控制器 \| DDB \| 14 \| -40 to 125
UCC256304	TI	获取价格	支持低待机功耗且具有高压启动功能的宽输入电压 LLC 谐振控制器
UCC25630-4DDBR	TI	获取价格	支持低待机功耗且具有高压启动功能的宽输入电压 LLC 谐振控制器 \| DDB \| 14 \|
UCC25630-4DDBT	TI	获取价格	支持低待机功耗且具有高压启动功能的宽输入电压 LLC 谐振控制器 \| DDB \| 14 \|
UCC256402	TI	获取价格	具有超低待机功耗和高电压启动功能的 LLC 谐振控制器
UCC256402_V02	TI	获取价格	UCC25640x LLC Resonant Controller with Ultra-Low Audible Noise and Standby Power

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