TL494

更新时间： 2024-11-20 22:49:47

品牌	Logo	应用领域
安森美 - ONSEMI		开关光电二极管
页数	文件大小	规格书
12页	136K
描述
SWITCHMODE PULSE WIDTH MODULATION CONTROL CIRCUIT

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

TL494 数据手册

TL494, NCV494

SWITCHMODE Pulse Width

Modulation Control Circuit

The TL494 is a fixed frequency, pulse width modulation control

circuit designed primarily for SWITCHMODE power supply control.

• Complete Pulse Width Modulation Control Circuitry

• On−Chip Oscillator with Master or Slave Operation

• On−Chip Error Amplifiers

http://onsemi.com

• On−Chip 5.0 V Reference

• Adjustable Deadtime Control

MARKING

DIAGRAMS

• Uncommitted Output Transistors Rated to 500 mA Source or Sink

• Output Control for Push−Pull or Single−Ended Operation

• Undervoltage Lockout

SO−16

D SUFFIX

CASE 751B

TL494xD

AWLYWW

• NCV Prefix for Automotive and Other Applications Requiring Site

and Control Changes

MAXIMUM RATINGS (Full operating ambient temperature range applies,

unless otherwise noted.)

Rating

Power Supply Voltage

Symbol

Value

Unit

PDIP−16

N SUFFIX

CASE 648

TL494xN

AWLYYWW

Collector Output Voltage

Collector Output Current

(Each transistor) (Note 1)

I , I

C1 C2

500

= B, C or I

= Assembly Location

Amplifier Input Voltage Range

−0.3 to +42

1000

°C/W

°C

WL, L = Wafer Lot

YY, Y = Year

WW, W = Work Week

Power Dissipation @ T ≤ 45°C

Thermal Resistance, Junction−to−Ambient

Operating Junction Temperature

Storage Temperature Range

*This marking diagram also applies to NCV494.

125

stg

−55 to +125

°C

ORDERING INFORMATION

Operating Ambient Temperature Range

°C

TL494B

TL494C

TL494I

−40 to +125

0 to +70

−40 to +85

−40 to +125

†

Device

Package

SO−16

Shipping

TL494BD

48 Units/Rail

NCV494B

TL494BDR2

2500 Tape & Reel

Derating Ambient Temperature

°C

TL494CD

SO−16

48 Units/Rail

2500 Tape & Reel

25 Units/Rail

1. Maximum thermal limits must be observed.

TL494CDR2

TL494CN

PIN CONNECTIONS

PDIP−16

SO−16

Noninv

Input

Noninv

Input

Error

Amp

−

Error

Amp

−

TL494IN

25 Units/Rail

Inv

Input

Inv

Input

NCV494BDR2*

2500 Tape & Reel

Compen/PWN

Comp Input

5.0 V

REF

ref

≈ 0.1 V

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

Deadtime

Control

Output

Contro

Oscillator

11 C2

10 E2

*NCV494: T = −40°C, T

= +125°C.

low

high

Guaranteed by design. NCV prefix is for

automotive and other applications requiring site

and change control.

Ground

(Top View)

Semiconductor Components Industries, LLC, 2004

Publication Order Number:

April, 2004 − Rev. 5

TL494/D

12 3 4 5 6 7...12

中文翻译

下载PDF

与TL494相关器件

型号	品牌	获取价格	描述	数据表
TL494_05	UTC	获取价格	VOLTAGE MODE PWM CONTROL CIRCUIT
TL494_05	ONSEMI	获取价格	SWITCHMODE TM Pulse Width Modulation Control Circuit
TL494_07	TI	获取价格	PULSE-WIDTH-MODULATION CONTROL CIRCUITS
TL494_08	HTC	获取价格	Pulse-Width-Modulation Control Circuits
TL494_09	UTC	获取价格	VOLTAGE MODE PWM CONTROL CIRCUIT
TL494_10	TI	获取价格	PULSE-WIDTH-MODULATION CONTROL CIRCUITS
TL494_101	TI	获取价格	PULSE-WIDTH-MODULATION CONTROL CIRCUITS
TL494_12	UTC	获取价格	VOLTAGE MODE PWM CONTROL CIRCUIT
TL494_13	UTC	获取价格	VOLTAGE MODE PWM CONTROL CIRCUIT
TL494_15	UTC	获取价格	VOLTAGE MODE PWM CONTROL CIRCUIT

与TL494相关文章

资料解读：TL494CN参数和引脚功能图说明
2024-06-17

254
什么是TL494芯片？TL494引脚图及功能、工作原理详解
2023-11-13

215
解析光耦仿真器：升级光耦合器技术的必要性
2024-11-18

31
英伟达新一代Blackwell GPU过热问题致交付延迟
2024-11-18

22

产品中心

服务支持

精选活动

关于我们

帮助中心

TL494

TL494 数据手册

与TL494相关器件

与TL494相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

TL494

TL494 数据手册

与TL494相关器件

与TL494相关文章

您还可以找

您在本页遇到什么问题？