SLUSES9
July 2022
TPS563300
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and 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
Fixed Frequency Peak Current Mode
7.3.2
Pulse Frequency Modulation
7.3.3
Voltage Reference
7.3.4
Output Voltage Setting
7.3.5
Enable and Adjusting Undervoltage Lockout
7.3.6
Minimum On Time, Minimum Off Time, and Frequency Foldback
7.3.7
Frequency Spread Spectrum
7.3.8
Overvoltage Protection
7.3.9
Overcurrent and Undervoltage Protection
7.3.10
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Modes Overview
7.4.2
Heavy Load Operation
7.4.3
Light-Load Operation
7.4.4
Dropout Operation
7.4.5
Minimum On-Time Operation
7.4.6
Shutdown 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
Custom Design With WEBENCH® Tools
8.2.2.2
Output Voltage Resistors Selection
8.2.2.3
Bootstrap Capacitor Selection
8.2.2.4
Undervoltage Lockout Set Point
8.2.2.5
Output Inductor Selection
8.2.2.6
Output Capacitor Selection
8.2.2.7
Input Capacitor Selection
8.2.2.8
Feedforward Capacitor CFF Selection
8.2.2.9
Maximum Ambient Temperature
8.2.3
Application Curves
8.3
Best Design Practices
8.4
Power Supply Recommendations
8.5
Layout
8.5.1
Layout Guidelines
8.5.2
Layout Example
9
Device and Documentation Support
9.1
Device Support
9.1.1
Third-Party Products Disclaimer
9.1.2
Development Support
9.1.2.1
Custom Design With WEBENCH® Tools
9.2
Documentation Support
9.2.1
Related Documentation
9.3
Receiving Notification of Documentation Updates
9.4
Support Resources
9.5
Trademarks
9.6
Electrostatic Discharge Caution
9.7
Glossary
10
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRL|8
MPCS002E
Thermal pad, mechanical data (Package|Pins)
Orderable Information
sluses9_oa
sluses9_pm
1
Features
Configured for a wide range of applications
3.8-V to 28-V input voltage range
0.8-V to 22-V output voltage range
3-A continuous output current
0.8V ± 1.5% reference voltage (25°C)
–40°C to 150°C operating junction temperature
Integrated 76-mΩ and 32-mΩ MOSFETs
20-μA low quiescent current (typical)
Maximum 98% duty cycle operation
Precision EN threshold
Ease of use and small solution size
Peak current control mode with internal compensation
Pulse frequency modulation (PFM) for high light-load efficiency
500-kHz fixed switching frequency
EMI friendly with frequency spread spectrum
Support start-up with prebiased output
Cycle-by-cycle OC limit for both high-side and low-side MOSFETs
Non-latched protections for OTP, OCP, OVP, UVP, and UVLO
1.6-mm × 2.1-mm SOT583 package
Create a custom design using the TPS563300 with the
WEBENCH®
Power Designer