ZHCSL72B
October 2016 – July 2021
TPS57114C-Q1
PRODUCTION DATA
1
特性
2
应用
3
说明
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fixed-Frequency PWM Control
7.3.2
Slope Compensation and Output Current
7.3.3
Bootstrap Voltage (BOOT) and Low-Dropout Operation
7.3.3.1
Error Amplifier
7.3.4
Voltage Reference
7.4
Device Functional Modes
7.4.1
Adjusting the Output Voltage
7.4.2
Enable Functionality and Adjusting Undervoltage Lockout
7.4.3
Slow-Start or Tracking Pin
7.4.4
Sequencing
7.4.5
Constant Switching Frequency and Timing Resistor (RT/CLK Pin)
7.4.6
Overcurrent Protection
7.4.7
Frequency Shift
7.4.8
Reverse Overcurrent Protection
7.4.9
Synchronize Using The RT/CLK Pin
7.4.10
Power Good (PWRGD Pin)
7.4.11
Overvoltage Transient Protection
7.4.12
Thermal Shutdown
7.4.13
Small-Signal Model for Loop Response
7.4.14
Simple Small-Signal Model for Peak-Current Mode Control
7.4.15
Small-Signal Model for Frequency Compensation
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Selecting the Switching Frequency
8.2.2.2
Output Inductor Selection
8.2.2.3
Output Capacitor
8.2.2.4
Input Capacitor
8.2.2.5
Slow-Start Capacitor
8.2.2.6
Bootstrap Capacitor Selection
8.2.2.7
Output-Voltage And Feedback-Resistor Selection
8.2.2.8
Compensation
8.2.2.9
Power-Dissipation Estimate
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
第三方米6体育平台手机版_好二三四免责声明
11.1.2
Development Support
11.2
Documentation Support
11.2.1
Related Documentation
11.3
接收文档更新通知
11.4
支持资源
11.5
Trademarks
11.6
静电放电警告
11.7
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RTE|16
MPQF149D
散热焊盘机械数据 (封装 | 引脚)
RTE|16
QFND290G
订购信息
zhcsl72b_oa
zhcsl72b_pm
11.2
Documentation Support
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