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UCC24612 High Frequency Synchronous Rectifier Controller
SLUSCM5A
August 2017 – February 2018
UCC24612
PRODUCTION DATA.
CONTENTS
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UCC24612 High Frequency Synchronous Rectifier Controller
1
Features
2
Applications
3
Description
Device Images
Flyback with High-Side SR
Flyback with Low-Side SR
4
Revision History
5
Pin Configuration and Functions
Pin 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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Power Management
7.3.2
Synchronous Rectifier Control
7.3.3
Adaptive Blanking Time
7.3.3.1
Turn-On Blanking Timer (Minimum On Time)
7.3.3.2
Turn-Off Blanking Timer
7.3.3.3
SR Turn-on Re-arm
7.3.4
Gate Voltage Clamping
7.3.5
Standby Mode
7.4
Device Functional Modes
7.4.1
UVLO Mode
7.4.2
Standby Mode
7.4.3
Run Mode
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
SR MOSFET Selection
8.2.2.2
Bypass Capacitor Selection
8.2.2.3
Snubber design
8.2.2.4
High-Side Operation
8.2.3
Application Curves
8.2.3.1
Steady State Testing Low-Side Configuration
8.2.3.2
Steady State Testing High-Side Configuration
9
Power Supply Recommendations
10
PCB Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Community Resources
11.2
Trademarks
11.3
Electrostatic Discharge Caution
11.4
Glossary
12
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sluscm5a_oa
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