SLVSCC6A
March 2014 – June 2014
TPS2561A-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Functions and Configurations
7
Specifications
7.1
Absolute Maximum Ratings
7.2
Handling Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Overcurrent Conditions
9.3.2
FAULTx Response
9.3.3
Thermal Sense
9.4
Device Functional Mode
9.4.1
Undervoltage Lockout (UVLO)
9.4.2
Enable (ENx)
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Design Current Limit
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Determine Design Parameters
10.2.1.2.2
Programming the Current-Limit Threshold
10.2.1.2.3
Designing Above a Minimum Current Limit
10.2.1.2.4
Designing Below a Maximum Current Limit
10.2.1.2.5
Accounting for Resistor Tolerance
10.2.1.2.6
Power Dissipation and Junction Temperature
10.2.1.2.7
Auto-Retry Functionality
10.2.1.2.8
Two-Level Current-Limit Circuit
10.2.2
Application Curves
11
Power Supply Requirements
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
Device and Documentation Support
13.1
Trademarks
13.2
Electrostatic Discharge Caution
13.3
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DRC|10
MPDS117L
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvscc6a_oa
slvscc6a_pm
8 Parameter Measurement Information
Figure 9. Test Circuit and Voltage Waveforms
Figure 10. Response Time to Short Circuit Waveform
Figure 11. Output Voltage vs. Current-Limit Threshold