SLUSC82B
April 2017 – July 2026
UCC24630
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
Timing Requirements
5.7
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Start Up and UVLO
6.3.2
Volt-Sec SR Driver On-Time Control
6.3.3
CCM Dead Time
6.3.4
Standby Operation
6.3.5
Pin Fault Protection
6.3.5.1
VPC Pin Overvoltage
6.3.5.2
VPC Pin Open
6.3.5.3
VSC Pin Open
6.3.5.4
TBLK Pin Open
6.3.5.5
VPC and VSC Short to Ground
6.3.5.6
TBLK Pin Short to Ground
6.4
Device Functional Modes
6.4.1
Start-Up
6.4.2
Normal Operation
6.4.3
Standby Operation
6.4.4
Conditions to Stop Operation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
AC-to-DC Adapter, 19.5V, 65W
7.2.2
Design Requirements
7.2.3
Calculation of Component Values
7.2.3.1
VPC Input
7.2.3.2
VSC Input
7.2.3.3
TBLK Input
7.2.4
Application Curves
7.3
Best Design Practices
7.4
Power Supply Recommendations
7.5
Layout
7.5.1
Layout Guidelines
7.5.1.1
VDD Pin
7.5.1.2
VPC Pin
7.5.1.3
VSC Pin
7.5.1.4
GND Pin
7.5.1.5
TBLK Pin
7.5.1.6
DRV Pin
7.5.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Device Nomenclature
8.1.1.1
Definition of Terms
8.2
Receiving Notification of Documentation Updates
8.3
Support Resources
8.4
Trademarks
8.5
Electrostatic Discharge Caution
8.6
Glossary
9
Revision History
10
Mechanical, Packaging, and Orderable Information
2
Applications
5V to 24V output flyback and forward converters
USB-PD adapters and chargers with type-C connector
Chargers for smart phones and tablets
Notebook and Ultrabook adapters
High efficiency auxiliary power in server, desktop and appliance applications
Industrial and medical SMPS