Datasheet > UCC25600_1

UCC25600_1

更新时间： 2024-11-10 05:52:59

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
23页	565K
描述
8-Pin High-Performance Resonant Mode Controller

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UCC25600_1 数据手册

UCC25600

www.ti.com ............................................................................................................................................. SLUS846A–SEPTEMBER 2008–REVISED MARCH 2009

8-Pin High-Performance Resonant Mode Controller

FEATURES

DESCRIPTION

•

Variable Switching Frequency Control

•

Programmable Minimum Switching Frequency

With 4% Accuracy (3% accuracy at

temperature range: -20°C to 105°C)

The UCC25600 high performance resonant mode

controller is designed for dc-to-dc applications

utilizing resonant topologies, especially the LLC half

bridge resonant converter. This highly integrated

controller implements frequency modulation control

and complete system functions in only an 8-pin

package. Switching to the UCC25600 will greatly

simplify the system design, layout and improve time

to market, all at a price point lower than competitive

16-pin device offerings.

•

Programmable Maximum Switching Frequency

Programmable Dead Time for Best Efficiency

Programmable Soft-Start Time

Easy ON/OFF Control

Over-Current Protection

Over-Temperature Protection

The internal oscillator supports the switching

frequencies from 30 kHz to 350 kHz. This high

accuracy oscillator realizes the minimum switching

frequency limiting with 4% tolerance, allowing the

designer to avoid "over design" of the power stage

and, thus, further reducing overall system cost. The

programmable dead time enables zero-voltage

switching with minimum magnetizing current. This will

maximize system efficiency across a variety of

applications. The programmable soft-start timer

maximizes design flexibility demanded by the varied

requirements of end equipments utilizing a half bridge

topology. By incorporating 0.4-A source and 0.8-A

sink driving capability, a low cost, reliable gate driver

transformer is a real option.

Bias Voltage UVLO and OVP

Integrated Gate Driver With 0.4-A Source and

0.8-A Sink Capability

•

Operating Temperature Range: –40°C to 125°C

SOIC 8-Pin Package

APPLICATIONS

•

100-W to 1-kW Power Supplies

LCD, Plasma and DLP TVs

Adaptors, Computing and ATX Power Supplies

Home Audio Systems

Electronic Lighting Ballasts

The UCC25600 delivers complete system protection

functions including over current, UVLO, bias supply

OVP and over temperature protection.

TYPICAL APPLICATION DIAGRAM

GD1

GD2

UCC25600

VCC

GND

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...23

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与UCC25600_1相关器件

型号	品牌	获取价格	描述	数据表
UCC25600D	TI	获取价格	8-Pin High-Performance Resonant Mode Controller
UCC25600DR	TI	获取价格	8-Pin High-Performance Resonant Mode Controller
UCC25600DRG4	TI	获取价格	8-Pin High-Performance Resonant Mode Controller
UCC25600EVM	TI	获取价格	8-Pin High-Performance Resonant Mode Controller
UCC256301	TI	获取价格	支持超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
UCC25630-1DDBR	TI	获取价格	支持超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
UCC25630-1DDBT	TI	获取价格	支持超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
UCC256302	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
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

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