SNOSDL4
June 2025
LMG2656
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
Turn-On Slew-Rate Control
7.3.3
Current-Sense Emulation
7.3.4
Bootstrap Diode Function
7.3.5
Input Control Pins (EN, INL, INH, GDH)
7.3.6
INL - INH Interlock
7.3.7
AUX Supply Pin
7.3.7.1
AUX Power-On Reset
7.3.7.2
AUX Under-Voltage Lockout (UVLO)
7.3.8
BST Supply Pin
7.3.8.1
BST Power-On Reset
7.3.8.2
BST Under-Voltage Lockout (UVLO)
7.3.9
Overcurrent Protection
7.3.10
Overtemperature Protection
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
LLC Application
8.2.1.1
Design Requirements
8.2.1.2
Detailed Design Procedure
8.2.1.3
Application Curves
8.2.2
AHB Application
8.2.3
Motor Drives Application
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
Receiving Notification of Documentation Updates
9.2
Support Resources
9.3
Trademarks
9.4
Electrostatic Discharge Caution
9.5
Glossary
10
Revision History
11
Mechanical, Packaging, and Orderable Information
8.2.1.1
Design Requirements
Table 8-1 Design Specification
SPECIFICATION
VALUE
Input DC voltage range
365 VDC to 410 VDC
Output DC voltage
28
V
Ouput rated current
5
A
Output voltage ripple at 390 VDC
120
mVpp
Peak efficiency at 390 VDC
93
%