SNOSDH5
November 2024
LMG2640
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Pin Configuration and Functions
5
Specifications
5.1
Absolute Maximum Ratings
5.2
ESD Ratings
5.3
Recommended Operating Conditions
5.4
Thermal Information
5.5
Electrical Characteristics
5.6
Switching Characteristics
5.7
Typical Characteristics
6
Parameter Measurement Information
6.1
GaN Power FET Switching Parameters
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
GaN Power FET Switching Capability
7.3.2
Current-Sense Emulation
7.3.3
Bootstrap Diode Function
7.3.4
Input Control Pins (EN, INL, INH)
7.3.5
INL - INH Interlock
7.3.6
AUX Supply Pin
7.3.6.1
AUX Power-On Reset
7.3.6.2
AUX Under-Voltage Lockout (UVLO)
7.3.7
BST Supply Pin
7.3.7.1
BST Power-On Reset
7.3.7.2
BST Under-Voltage Lockout (UVLO)
7.3.8
Over-Current Protection
7.3.9
Over-Temperature Protection
7.3.10
Fault Reporting
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
8.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.1.1
Solder-Joint Stress Relief
8.4.1.2
Signal-Ground Connection
8.4.1.3
CS Pin Signal
8.4.2
Layout Example
9
Device and Documentation Support
9.1
Documentation Support
9.1.1
Related Documentation
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
5.7
Typical Characteristics
Figure 5-1
Low-Side Normalized On-Resistance vs Junction Temperature
Figure 5-3
Low-Side Output Capacitance vs Drain-Source Voltage
Figure 5-5
High-Side Output Capacitance vs Drain-Source Voltage
Figure 5-7
Low-Side Drain Current Turn-On Delay Time vs Junction Temperature
Figure 5-9
Low-Side Turn-On Rise Time vs Junction Temperature
Figure 5-11
Low-Side Turn-Off Delay Time vs Junction Temperature
Figure 5-13
High-Side Turn-On Delay Time vs Junction Temperature
Figure 5-15
High-Side Turn-On Slew Rate vs Junction Temperature
Figure 5-17
AUX Standby Current vs Junction Temperature
INL = 5V
Figure 5-19
AUX Quiescent Current vs Junction Temperature
INH = 0V
Figure 5-21
BST Quiescent Current vs Junction Temperature
Figure 5-23
BST Operating Current vs Frequency
Figure 5-2
High-Side Normalized On-Resistance vs Junction Temperature
Figure 5-4
Low-Side Output Capacitance Stored Energy vs Drain-Source Voltage
Figure 5-6
High-Side Output Capacitance Stored Energy vs Drain-Source Voltage
Figure 5-8
Low-Side Turn-On Delay Time vs Junction Temperature
Figure 5-10
Low-Side Turn-On Slew Rate vs Junction Temperature
Figure 5-12
High-Side Drain Current Turn-On Delay Time vs Junction Temperature
Figure 5-14
High-Side Turn-On Rise Time vs Junction Temperature
Figure 5-16
High-Side Turn-Off Delay Time vs Junction Temperature
INL = 0V
Figure 5-18
AUX Quiescent Current vs Junction Temperature
Figure 5-20
AUX Operating Current vs Frequency
INH = 5V
Figure 5-22
BST Quiescent Current vs Junction Temperature