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TL594INSR

更新时间： 2024-11-29 03:59:31
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
16页 407K
描述
PULSE-WIDTH-MODULATION CONTROL CIRCUIT

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TL594INSR 数据手册

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SLVS052F − APRIL 1988 − REVISED NOVEMBER 2003  
D, N, NS, OR PW PACKAGE  
(TOP VIEW)  
D Complete PWM Power-Control Circuitry  
D Uncommitted Outputs for 200-mA Sink or  
Source Current  
1IN+  
1IN−  
2IN+  
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D Output Control Selects Single-Ended or  
2IN−  
Push-Pull Operation  
FEEDBACK  
DTC  
REF  
OUTPUT CTRL  
D Internal Circuitry Prohibits Double Pulse at  
CT  
V
CC  
Either Output  
RT  
C2  
E2  
E1  
D Variable Dead Time Provides Control Over  
GND  
C1  
Total Range  
D Internal Regulator Provides a Stable 5-V  
Reference Supply Trimmed to 1%  
D Circuit Architecture Allows Easy  
Synchronization  
D Undervoltage Lockout for Low-V  
CC  
Conditions  
description/ordering information  
The TL594 incorporates all the functions required in the construction of a pulse-width-modulation (PWM) control  
circuit on a single chip. Designed primarily for power-supply control, this device offers the systems engineer the  
flexibility to tailor the power-supply control circuitry to a specific application.  
The TL594 contains two error amplifiers, an on-chip adjustable oscillator, a dead-time control (DTC)  
comparator, a pulse-steering control flip-flop, a 5-V regulator with a precision of 1%, an undervoltage lockout  
control circuit, and output control circuitry.  
The error amplifiers have a common-mode voltage range of −0.3 V to V  
− 2 V. The DTC comparator has a  
CC  
fixed offset that provides approximately 5% dead time. The on-chip oscillator can be bypassed by terminating  
RT to the reference output and providing a sawtooth input to CT, or it can be used to drive the common circuitry  
in synchronous multiple-rail power supplies.  
The uncommitted output transistors provide either common-emitter or emitter-follower output capability. Each  
device provides for push-pull or single-ended output operation, with selection by means of the output-control  
function. The architecture of these devices prohibits the possibility of either output being pulsed twice during  
push-pull operation. The undervoltage lockout control circuit locks the outputs off until the internal circuitry is  
operational.  
The TL594C is characterized for operation from 0°C to 70°C. The TL594I is characterized for operation from  
−40°C to 85°C.  
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.  
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Copyright 2003, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...16

中文翻译

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TL594INSR 替代型号

型号 品牌 替代类型 描述 数据表
TL594INSRG4 TI

完全替代

 PULSE-WIDTH-MODULATION CONTROL CIRCUIT
TL594CNSRG4 TI

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TL594CNSR TI

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 PULSE-WIDTH-MODULATION CONTROL CIRCUIT

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