ZHCSCL8
July 2014
TPS54060-EP
PRODUCTION DATA.
1
特性
2
应用范围
3
说明
4
简化电路原理图
5
修订历史记录
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
Handling Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Fixed Frequency PWM Control
8.3.2
Slope Compensation Output Current
8.3.3
Low-Dropout Operation and Bootstrap Voltage (Boot)
8.3.4
Error Amplifier
8.3.5
Voltage Reference
8.3.6
Adjusting the Output Voltage
8.3.7
Enable and Adjusting UVLO
8.3.8
Slow Start/Tracking Pin (SS/TR)
8.3.9
Overload Recovery Circuit
8.3.10
Sequencing
8.3.11
Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
8.3.12
Overcurrent Protection and Frequency Shift
8.3.13
Selecting the Switching Frequency
8.3.14
How to Interface to RT/CLK Pin
8.3.15
Power Good (PWRGD Pin)
8.3.16
Overvoltage Transient Protection (OVTP)
8.3.17
Thermal Shutdown
8.3.18
Small Signal Model for Loop Response
8.3.19
Simple Small Signal Model for Peak Current Mode Control
8.3.20
Small Signal Model for Frequency Compensation
8.4
Device Functional Modes
8.4.1
Pulse Skip Eco-Mode
8.4.2
DCM and Eco-Mode Boundary
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
Selecting the Switching Frequency
9.2.2.2
Output Inductor Selection (LO)
9.2.2.3
Output Capacitor
9.2.2.4
Catch Diode
9.2.2.5
Input Capacitor
9.2.2.6
Slow Start Capacitor
9.2.2.7
Bootstrap Capacitor Selection
9.2.2.8
UVLO Set Point
9.2.2.9
Output Voltage and Feedback Resistors Selection
9.2.2.10
Compensation
9.2.3
Application Curves
10
Power Supply Recommendations
10.1
Power Dissipation Estimate
10.2
Power Supply Considerations
11
Layout
11.1
Layout Guidelines
11.1.1
Estimated Circuit Area
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
第三方米6体育平台手机版_好二三四免责声明
12.2
Trademarks
12.3
Electrostatic Discharge Caution
12.4
术语表
13
机械封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
DGQ|10
MPDS043F
散热焊盘机械数据 (封装 | 引脚)
DGQ|10
PPTD304B
订购信息
zhcscl8_oa
5 修订历史记录
日期
修订版本
注释
2014 年 7 月
*
最初发布。
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