Datasheet > UCC28C43MDEP

UCC28C43MDEP

更新时间： 2024-11-24 07:24:39

品牌	Logo	应用领域
德州仪器 - TI		信息通信管理
页数	文件大小	规格书
19页	357K
描述
IC,SMPS CONTROLLER,CURRENT-MODE,BICMOS,SOP,8PIN,PLASTIC

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UCC28C43MDEP 数据手册

UCC28C4x-EP

BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS

www.ti.com

SGLS352A–DECEMBER 2006–REVISED JANUARY 2007

FEATURES

•

Trimmed Oscillator Discharge Current

New Undervoltage Lockout Versions

MSOP-8 Package Minimizes Board Space

•

Controlled Baseline

–

One Assembly/Test Site, One Fabrication

Site

APPLICATIONS

Extended Temperature Performance of

•

Switch-Mode Power Supplies

DC-to-DC Converters

Board Mount Power Modules

–55°C to 125°C

•

Enhanced Diminishing Manufacturing Sources

(DMS) Support

•

Enhanced Product-Change Notification

DESCRIPTION

(1)

Qualification Pedigree

The UCC28C4x family are high-performance

current-mode PWM controllers. They are enhanced

BiCMOS versions with pin-for-pin compatibility to the

industry standard UC284xA family and UC284x

family of PWM controllers. In addition, lower startup

voltage versions of 7 V are offered as UCC28C40

and UCC28C41.

Enhanced Replacements for UC2842A Family

With Pin-to-Pin Compatibility

•

1-MHz Operation

50-µA Standby Current, 100-µA Maximum

Low Operating Current of 2.3 mA at 52 kHz

Fast 35-ns Cycle-by-Cycle Overcurrent

Limiting

Providing

necessary

features

control

fixed-frequency, peak current-mode power supplies,

this family offers several performance advantages.

These devices offer high-frequency operation up to

1 MHz with low start-up and operating currents, thus

minimizing start-up loss and low operating power

consumption for improved efficiency. The devices

also feature a fast current-sense-to-output delay time

of 35 ns, and a ±1-A peak output current capability

with improved rise and fall times for driving large

external MOSFETs directly.

•

±1-A Peak Output Current

Rail-to-Rail Output Swings With 25-ns Rise

and 20-ns Fall Times

•

±1% Initial Trimmed 2.5-V Error Amplifier

Reference

(1) Component qualification in accordance with JEDEC and

industry standards to ensure reliable operation over an

extended temperature range. This includes, but is not limited

to, Highly Accelerated Stress Test (HAST) or biased 85/85,

temperature cycle, autoclave or unbiased HAST,

electromigration, bond intermetallic life, and mold compound

life. Such qualification testing should not be viewed as

justifying use of this component beyond specified

performance and environmental limits.

The UCC28C4x family is offered in 8-pin package

SOIC (D).

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...19

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与UCC28C43MDEP相关器件

型号	品牌	获取价格	描述	数据表
UCC28C43MDREP	TI	获取价格	BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLERS
UCC28C43MDREPR	TI	获取价格	1A SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO8, PLASTIC, SOIC-8
UCC28C43P	TI	获取价格	BICMOS LOW POWER CURRENT MODE PWM CONTROLLER
UCC28C43PG4	TI	获取价格	BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLER
UCC28C43-Q1	TI	获取价格	汽车类 20V 低功耗电流模式 PWM 控制器，8.4V/7.6V UVLO，100% 占
UCC28C43QDRQ1	TI	获取价格	汽车类 20V 低功耗电流模式 PWM 控制器，8.4V/7.6V UVLO，100% 占
UCC28C44	TI	获取价格	BICMOS LOW POWER CURRENT MODE PWM CONTROLLER
UCC28C44D	TI	获取价格	BICMOS LOW POWER CURRENT MODE PWM CONTROLLER
UCC28C44DG4	TI	获取价格	BiCMOS LOW-POWER CURRENT-MODE PWM CONTROLLER
UCC28C44DGK	TI	获取价格	BICMOS LOW POWER CURRENT MODE PWM CONTROLLER

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