SLUSD65B
July 2018 – October 2019
TPS563231
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
TPS563231 Efficiency
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
Adaptive On-Time Control and PWM Operation
7.3.2
Soft Start and Pre-Biased Soft Start
7.3.3
Over Current and Short Circuit Protection
7.3.4
Undervoltage Lockout (UVLO) Protection
7.3.5
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Shutdown Mode
7.4.2
Continuous Conduction Mode (CCM)
7.4.3
Pulse Skip Mode (PSM, TPS563231)
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
Output Voltage Resistors Selection
8.2.2.2
Output Filter Selection
8.2.2.3
Input Capacitor Selection
8.2.2.4
Bootstrap 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
Related Links
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
Package Options
Mechanical Data (Package|Pins)
DRL|6
MPDS159H
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slusd65b_oa
slusd65b_pm
1
Features
3-A Converter integrated 95-mΩ and 55-mΩ FETs
D-CAP3™ mode control with fast transient response
Input voltage range: 4.5 V to 17 V
Output voltage range: 0.6 V to 7 V
Pulse skip mode
600-kHz switching frequency
Low shutdown current Less than 12 µA
2% Feedback voltage accuracy (25ºC)
Startup from pre-biased output voltage
Cycle-by-cycle over current limit
Hiccup-mode over current protection
Non-latch UVP and TSD protections
6-Pin SOT563 package