ZHCSFN1A
November 2016 – January 2022
UCC20520
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
PWM Input and Disable Response Time
7.4
Programable Dead Time
7.5
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 UCC20520
8.4
Device Functional Modes
8.4.1
Disable 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 Left Open or Connected to a Programming Resistor between DT and GND Pins
8.4.2.3
39
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 PWM 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
Estimate Gate Driver Power Loss
9.2.2.5
Estimating Junction Temperature
9.2.2.6
Selecting VCCI, VDDA/B Capacitor
9.2.2.6.1
Selecting a VCCI Capacitor
9.2.2.6.2
Selecting a VDDA (Bootstrap) Capacitor
9.2.2.6.3
Select a VDDB Capacitor
9.2.2.7
Dead Time Setting Guidelines
9.2.2.8
Application Circuits with Output Stage Negative Bias
9.2.2.9
56
9.2.3
Application Curves
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
接收文档更新通知
11.3
支持资源
11.3.1
Certifications
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
术语表
1
特性
单输入、双输出
工作温度范围:–40 至125° C
开关参数:
19ns 典型传播延迟
10ns 最小脉冲宽度
5ns 最大延迟匹配
6ns 最大脉宽失真
共模瞬态抗扰度 (CMTI) 大于 100V/ns
浪涌抗扰度高达 12.8kV
隔离栅寿命大于 40 年
4A 峰值拉电流、6A 峰值灌电流输出
TTL 和 CMOS 兼容输入
3V 至 18V 输入 VCCI 范围,可与数字控制器和模拟控制器连接
高达 25V 的 VDD 输出驱动电源
可编程死区时间
抑制短于 5ns 的输入脉冲和噪声瞬态
快速禁用电源定序
业界通用的宽体 SOIC-16 (DW) 封装
安全相关及监管批准:
符合 DIN V VDE V 0884-11:2017-01 标准的 8000V
PK
隔离
符合 UL 1577 标准且长达 1 分钟的 5700V
RMS
隔离
获得 CSA 认证,符合 IEC 60950-1、IEC 62368-1、IEC 61010-1 和 IEC 60601-1 终端设备标准
获得 CQC 认证,符合 GB4943.1-2011 标准