ZHCSFM4B
september 2016 – december 2021
UCC21521
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
Power Ratings
6.6
Insulation Specifications
6.7
Safety-Related Certifications
6.8
Safety-Limiting Values
6.9
Electrical Characteristics
6.10
Switching Characteristics
6.11
Insulation Characteristics Curves
6.12
Typical Characteristics
7
Parameter Measurement Information
7.1
Propagation Delay and Pulse Width Distortion
7.2
Rising and Falling Time
7.3
Input and Enable Response Time
7.4
Programmable Dead Time
7.5
Powerup UVLO Delay to OUTPUT
7.6
CMTI Testing
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
VDD, VCCI, and Under Voltage Lock Out (UVLO)
8.3.2
Input and Output Logic Table
8.3.3
Input Stage
8.3.4
Output Stage
8.3.5
Diode Structure in UCC21521
8.4
Device Functional Modes
8.4.1
Enable Pin
8.4.2
Programmable Dead Time (DT) Pin
8.4.2.1
Tying the DT Pin to VCC
8.4.2.2
DT Pin Connected to a Programming Resistor between DT and GND Pins
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
Designing INA/INB Input Filter
9.2.2.2
Select External Bootstrap Diode and its Series Resistor
9.2.2.3
Gate Driver Output Resistor
9.2.2.4
Gate to Source Resistor Selection
9.2.2.5
Estimate Gate Driver Power Loss
9.2.2.6
Estimating Junction Temperature
9.2.2.7
Selecting VCCI, VDDA/B Capacitor
9.2.2.7.1
Selecting a VCCI Capacitor
9.2.2.7.2
Selecting a VDDA (Bootstrap) Capacitor
9.2.2.7.3
Select a VDDB Capacitor
9.2.2.8
Dead Time Setting Guidelines
9.2.2.9
Application Circuits with Output Stage Negative Bias
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
第三方产品免责声明
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Certifications
12.4
接收文档更新通知
12.5
支持资源
12.6
Trademarks
12.7
静电放电警告
12.8
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DW|16
MSOI003I
散热焊盘机械数据 (封装 | 引脚)
DW|16
QFND505A
订购信息
zhcsfm4b_oa
zhcsfm4b_pm
8
Detailed Description