SLVSEY5C
March 2019 – August 2019
TPS568230
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Typical Application
Efficiency vs Output Current ECO-mode
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
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
PWM Operation and D-CAP3 Control
7.3.2
Soft Start
7.3.3
Large Duty Operation
7.3.4
Power Good
7.3.5
Over Current Protection and Undervoltage Protection
7.3.6
Over Voltage Protection
7.3.7
UVLO Protection
7.3.8
Output Voltage Discharge
7.3.9
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Light Load Operation
7.4.2
Advanced Eco-mode Control
7.4.3
Out of Audio Mode
7.4.4
Force CCM Mode
7.4.5
Mode Selection
7.4.6
Standby Operation
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
External Component Selection
8.2.2.1.1
Output Voltage Set Point
8.2.2.1.2
Inductor Selection
8.2.2.1.3
Output Capacitor Selection
8.2.2.1.4
Input Capacitor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
Third-Party Products Disclaimer
11.2
Receiving Notification of Documentation Updates
11.3
Community Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Mechanical, Packaging, and Orderable Information
1
Features
Input voltage range: 4.5 V to 18 V
D-CAP3™ architecture control for fast transient response
Output voltage range: 0.6 V to 7 V
0.6-V±1% reference voltage (25°C)
Supports 8-A continuous output current
Integrated 19.5-mΩ and 9.5-mΩ R
DS(on)
internal power MOSFET
ULQ™(Ultra Low Quiescent current) feature to enable long battery life
Selectable operation modes:
Forced continuous conduction mode (FCCM)
Out-of-Audio™(OOA) Mode
Advanced Eco-Mode™
Selectable 600-kHz, 800-kHz and 1-MHz switching frequency
Supports up to 90% duty operation
Adjustable soft start time by SS pin
Power good output
Built-in output discharge function
Cycle-by-cycle over current protection
Non-latched for fault protection
Small 3.0-mm × 3.0-mm HotRod™ QFN package