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UCC21220, UCC21220A 4A, 6A, Dual-Channel Basic and Functional Isolated Gate Drivers with High Noise Immunity
SLUSCK0G
November 2017 – November 2024
UCC21220
,
UCC21220A
PRODUCTION DATA
CONTENTS
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UCC21220, UCC21220A 4A, 6A, Dual-Channel Basic and Functional Isolated Gate Drivers with High Noise Immunity
1
1
Features
2
Applications
3
Description
4
Device Comparison Table
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-Limiting Values
6.8
Electrical Characteristics
6.9
Switching Characteristics
6.10
Thermal Derating Curves
6.11
Typical Characteristics
7
Parameter Measurement Information
7.1
Minimum Pulses
7.2
Propagation Delay and Pulse Width Distortion
7.3
Rising and Falling Time
7.4
Input and Disable Response Time
7.5
Power-up 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 UCC21220 and UCC21220A
8.4
Device Functional Modes
8.4.1
Disable Pin
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
Estimating 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
Application Circuits with Output Stage Negative Bias
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Component Placement Considerations
11.1.2
Grounding Considerations
11.1.3
High-Voltage Considerations
11.1.4
Thermal Considerations
11.2
Layout Example
12
Device and Documentation Support
12.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Receiving Notification of Documentation Updates
12.4
Support Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Revision History
14
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
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Data Sheet
UCC21220, UCC21220A
4A, 6A, Dual-Channel Basic and Functional Isolated Gate Drivers with High Noise Immunity
1
Features
Universal: dual low-side, dual high-side or half-bridge driver
Supports basic and functional isolation
CMTI greater than 125V/ns
Up to 4A peak source, 6A peak sink output
Switching parameters:
33ns typical propagation delay
5ns maximum pulse-width distortion
10µs maximum VDD power-up delay
Up to 25V VDD output drive supply
5V and
8V VDD UVLO
Options
Junction temperature range (T
j
) –40°C to 150°C
Narrow body SOIC-16 (D) package
TTL and CMOS compatible inputs
Safety-related certifications:
4242V
PK
isolation per DIN EN IEC 60747-17 (VDE 0884-17) (planned)
3000V
RMS
isolation for 1 minute per UL 1577 (planned)
CQC certification per GB4943.1-2022 (planned)
