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UCC27444 20-V, 4-A Dual-Channel Low-Side Gate Driver with –5-V Input Capability
SLUSFC7
july 2023
UCC27444
PRODUCTION DATA
CONTENTS
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UCC27444 20-V, 4-A Dual-Channel Low-Side Gate Driver with –5-V Input Capability
1
1
Features
2
Applications
3
Description
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
Electrical Characteristics
6.6
Switching Characteristics
6.7
Timing Diagrams
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Operating Supply Current
7.3.2
Input Stage
7.3.3
Enable Function
7.3.4
Output Stage
7.3.5
Low Propagation Delays and Tightly Matched Outputs
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
VDD and Power On Reset
8.2.2.2
Drive Current and Power Dissipation
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
10.3
Thermal Considerations
11
Device and Documentation Support
11.1
Third-Party Products Disclaimer
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
D|8
MSOI002K
DGN|8
MPDS046G
Thermal pad, mechanical data (Package|Pins)
DGN|8
PPTD388A
Orderable Information
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slusfc7_pm
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Data Sheet
UCC27444
20-V, 4-A Dual-Channel Low-Side Gate Driver with –5-V Input Capability
1
Features
Typical 4-A peak source and sink drive current for each channel
INA and INB input pins capable of handling –5 V
Absolute maximum VDD voltage 20 V
Wide VDD operating range from 4.5 V to 18 V
Two independent gate drive channels
Independent enable function for each output
Fast propagation delays (18-ns typical)
Fast rise and fall times (11-ns and 7-ns typical)
1-ns typical delay matching between the two channels
SOIC8 and VSSOP8
PowerPAD™
package options
Operating junction temperature range of –40°C to 125°C