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TL594 Pulse-Width-Modulation Control Circuit
SLVS052I
April 1988 – September 2016
TL594
PRODUCTION DATA.
CONTENTS
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TL594 Pulse-Width-Modulation Control Circuit
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
5-V Reference Regulator
8.3.2
Undervoltage Lockout
8.3.3
Oscillator
8.3.4
Dead-Time Control
8.3.5
Comparator
8.3.6
Pulse-Width Modulation (PWM)
8.3.7
Error Amplifiers
8.3.8
Output-Control Input
8.3.9
Output Transistors
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Input Power Source
9.2.2.2
Control Circuits
9.2.2.2.1
Oscillator
9.2.2.2.2
Error Amplifier
9.2.2.2.3
Current-Limiting Amplifier
9.2.2.2.4
Soft Start
9.2.2.2.5
Setting the Dead Time
9.2.2.3
Inductor Calculations
9.2.2.4
Output Capacitance Calculations
9.2.2.5
Transistor Power-Switch Calculations
9.2.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Feedback Traces
11.1.2
Input or Output Capacitors
11.1.3
Compensation Components
11.1.4
Traces and Ground Planes
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
PW|16
NS|16
N|16
D|16
散热焊盘机械数据 (封装 | 引脚)
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