JAJSCB0E
June 2016 – December 2021
UCC21520
PRODUCTION DATA
1
特長
2
アプリケーション
3
概要
4
Revision History
5
概要 (続き)
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Power Ratings
7.6
Insulation Specifications
7.7
Safety-Related Certifications
7.8
Safety-Limiting Values
7.9
Electrical Characteristics
7.10
Switching Characteristics
7.11
Insulation Characteristics Curves
7.12
Typical Characteristics
8
Parameter Measurement Information
8.1
Propagation Delay and Pulse Width Distortion
8.2
Rising and Falling Time
8.3
Input and Disable Response Time
8.4
Programable Dead Time
8.5
Power-up UVLO Delay to OUTPUT
8.6
CMTI Testing
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
VDD, VCCI, and Undervoltage Lock Out (UVLO)
9.3.2
Input and Output Logic Table
9.3.3
Input Stage
9.3.4
Output Stage
9.3.5
Diode Structure in the UCC21520 and the UCC21520A
9.4
Device Functional Modes
9.4.1
Disable Pin
9.4.2
Programmable Dead-Time (DT) Pin
9.4.2.1
Tying the DT Pin to VCC
9.4.2.2
DT Pin Connected to a Programming Resistor between DT and GND Pins
9.4.2.3
41
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Requirements
10.2.2
Detailed Design Procedure
10.2.2.1
Designing INA/INB Input Filter
10.2.2.2
Select External Bootstrap Diode and its Series Resistor
10.2.2.3
Gate Driver Output Resistor
10.2.2.4
Gate to Source Resistor Selection
10.2.2.5
Estimate Gate Driver Power Loss
10.2.2.6
Estimating Junction Temperature
10.2.2.7
Selecting VCCI, VDDA/B Capacitor
10.2.2.7.1
Selecting a VCCI Capacitor
10.2.2.7.2
Selecting a VDDA (Bootstrap) Capacitor
10.2.2.7.3
Select a VDDB Capacitor
10.2.2.8
Dead Time Setting Guidelines
10.2.2.9
Application Circuits with Output Stage Negative Bias
10.2.3
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Third-Party Products Disclaimer
13.2
Documentation Support
13.2.1
Related Documentation
13.3
Certifications
13.4
Receiving Notification of Documentation Updates
13.5
サポート・リソース
13.6
Trademarks
13.7
Electrostatic Discharge Caution
13.8
Glossary
14
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
DW|16
MSOI003I
サーマルパッド・メカニカル・データ
DW|16
QFND505A
発注情報
jajscb0e_oa
jajscb0e_pm
7.11
Insulation Characteristics Curves
Figure 7-1
Reinforced Isolation Capacitor Life Time Projection
Figure 7-2
Thermal Derating Curve for Safety-Related Lim
iting Curre
nt (Current in Each Channel with Both Channels Running Simultaneously)
Figure 7-3
Thermal Derating Curve for Safety-Related Limiting Power