Datasheet > UCC2895-Q1

UCC2895-Q1

更新时间： 2024-11-25 12:22:31

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
22页	349K
描述
BiCMOS ADVANCED PHASE-SHIFT PWM CONTROLLER

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UCC2895-Q1 数据手册

UCC2895-Q1

www.ti.com

SLUS783C –MAY 2008–REVISED AUGUST 2012

BiCMOS ADVANCED PHASE-SHIFT PWM CONTROLLER

Check for Samples: UCC2895-Q1

FEATURES

DESCRIPTION

The UCC2895-Q1 is

•

Qualified for Automotive Applications

Programmable Output Turn-On Delay

Bidirectional Oscillator Synchronization

a phase-shift pulse-width

modulation (PWM) controller that implements control

of a full-bridge power stage by phase shifting the

switching of one half-bridge with respect to the other.

It allows constant-frequency PWM in conjunction with

resonant zero-voltage switching to provide high

efficiency at high frequencies. The device can be

used either as a voltage-mode or current-mode

controller.

Voltage-Mode, Peak-Current-Mode, or

Average-Current-Mode Control

•

Programmable Soft Start/Soft Stop and Chip

Disable Via a Single Pin

•

0% to 100% Duty-Cycle Control

7-MHz Error Amplifier

Although the UCC2895-Q1 maintains the functionality

of the UC3875/6/7/8 family and UC3879, it improves

on that controller family with additional features such

as enhanced control logic, adaptive delay set, and

shutdown capability. Because it is built using the

BCDMOS process, it operates with dramatically less

supply current than its bipolar counterparts. The

UCC2895-Q1 can operate with a maximum clock

frequency of 1 MHz.

Operation to 1 MHz

Typical 5-mA Operating Current at 500 kHz

Very Low 150-μA Current During Undervoltage

Lockout (UVLO)

APPLICATIONS

•

Phase-Shifted Full-Bridge Converters

Off-Line, Telecom, Datacom, and Servers

Distributed Power Architecture

High-Density Power Modules

UCC2895

EAN

EAP

V_OUT

EAOUT SS/DISB

RAMP

REF

OUTA

OUTB

PGND

VCC

GND

SYNC

V_IN

V_BIAS

OUTC

OUTD

DELAB

DELCD

ADS

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...22

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与UCC2895-Q1相关器件

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UCC2895QDWRQ1	TI	获取价格	BiCMOS ADVANCED PHASE-SHIFT PWM CONTROLLER
UCC2895QG3	TI	获取价格	BiCMOS ADVANCED PHASE-SHIFT PWM CONTROLLER
UCC2895QTR	TI	获取价格	BiCMOS Advanced Phase Shift PWM Controller
UCC2895-W	TI	获取价格	BiCMOS Advanced Phase-Shift PWM Controller
UCC2897	TI	获取价格	ADVANCED CURRENT MODE ACTIVE CLAMP PWM CONTROLLER
UCC2897A	TI	获取价格	ADVANCED CURRENT-MODE ACTIVE CLAMP PWM CONTROLLER
UCC2897A_15	TI	获取价格	Advanced Current-Mode Active-Clamp PWM Controller
UCC2897APW	TI	获取价格	Advanced Current-Mode Active-Clamp PWM Controller
UCC2897APWR	TI	获取价格	ADVANCED CURRENT-MODE ACTIVE CLAMP PWM CONTROLLER
UCC2897ARGP	TI	获取价格	2.5A SWITCHING CONTROLLER, 270kHz SWITCHING FREQ-MAX, PQCC20, GREEN, PLASTIC, QFN-20

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