ZHCSG55A
November 2016 – February 2017
TPS54824
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
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
Timing Requirements
6.8
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
Continuous Conduction Mode Operation (CCM)
7.3.3
VIN Pins and VIN UVLO
7.3.4
Voltage Reference and Adjusting the Output Voltage
7.3.5
Error Amplifier
7.3.6
Enable and Adjustable UVLO
7.3.7
Soft Start and Tracking
7.3.8
Safe Start-up into Pre-Biased Outputs
7.3.9
Power Good
7.3.10
Sequencing (SS/TRK)
7.3.11
Adjustable Switching Frequency (RT Mode)
7.3.12
Synchronization (CLK Mode)
7.3.13
Bootstrap Voltage and 100% Duty Cycle Operation (BOOT)
7.3.14
Output Overvoltage Protection (OVP)
7.3.15
Overcurrent Protection
7.3.15.1
High-side MOSFET Overcurrent Protection
7.3.15.2
Low-side MOSFET Overcurrent Protection
7.4
Device Functional Modes
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
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
Output Voltage Resistors Selection
8.2.2.6
Soft-start Capacitor Selection
8.2.2.7
Undervoltage Lockout Set Point
8.2.2.8
Bootstrap Capacitor Selection
8.2.2.9
PGOOD Pull-up Resistor
8.2.2.10
Compensation
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Alternate Layout Example
11
器件和文档支持
11.1
接收文档更新通知
11.2
社区资源
11.3
商标
11.4
静电放电警告
11.5
Glossary
12
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RNV|18
MPQF461B
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsg55a_oa