SLUSFG8
June 2024
TPS562243
,
TPS562246
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
Typical Characteristics
6
Detailed Description
6.1
Overview
6.2
Functional Block Diagram
6.3
Feature Description
6.3.1
Adaptive On-Time Control and PWM Operation
6.3.2
Eco-mode Control
6.3.3
Soft Start and Prebiased Soft Start
6.3.4
Large Duty Operation
6.3.5
Current Protection
6.3.6
Enable Circuit
6.3.7
Undervoltage Lockout (UVLO) Protection
6.3.8
Thermal Shutdown
6.4
Device Functional Modes
6.4.1
Eco-mode Operation
6.4.2
FCCM Mode Operation
7
Application and Implementation
7.1
Application Information
7.2
Typical Application
7.2.1
Design Requirements
7.2.2
Detailed Design Procedure
7.2.2.1
Custom Design With WEBENCH® Tools
7.2.2.2
Output Voltage Resistors Selection
7.2.2.3
Output Filter Selection
7.2.2.4
Input Capacitor Selection
7.2.2.5
Bootstrap Capacitor Selection
7.2.3
Application Curves
7.3
Power Supply Recommendations
7.4
Layout
7.4.1
Layout Guidelines
7.4.2
Layout Example
8
Device and Documentation Support
8.1
Device Support
8.1.1
Development Support
8.1.1.1
Custom Design With WEBENCH® Tools
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
1
Features
Configured for a wide range of applications
Input voltage range: 4.2V to 17V
Output voltage range: 0.6V to 7V
Reference voltage: 0.6V
±1.5% reference voltage accuracy
Integrated FETs: 100mΩ and 55mΩ
Low quiescent current for
TPS562243
: 110μA
Switching frequency: 1280kHz
Maximum 95% large duty cycle operation
Fixed soft-start time: 1.4ms
Easy of use and small design size
TPS562243
Eco-mode and
TPS562246
FCCM mode at light load
D-CAP3™
control mode with fast transient response
Support start-up with prebiased output
Non-latch for OT and UVLO protection
Cycle-by-cycle over current limit
Hiccup mode for UV protection
Operating junction temperature range: –40°C to 125°C
SOT563 package: 1.6mm × 1.6mm
Create a custom design using the
TPS56224x
with the
WEBENCH® Power Designer