SLVSAN6B
February 2011 – September 2016
TPS61181A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Supply Voltage
8.3.2
Boost Regulator
8.3.3
Enable and Start-Up
8.3.4
Overcurrent, Overvoltage, and Short-Circuit Protection
8.3.5
IFB Pin Unused
8.4
Device Functional Modes
8.4.1
Current Program and PWM Dimming
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Inductor Selection
9.2.2.2
Output Capacitor Selection
9.2.2.3
Audible Noise Reduction
9.2.2.4
Isolation MOSFET Selection
9.2.3
Application Curves
9.3
Additional Application Circuits
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device And Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Receiving Notification of Documentation Updates
12.3
Community Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
5 Device Comparison Table
TPS61181A
TPS61180
Input voltage range
5 V to 24 V
5 V to 24 V
Number of LED channels
6
6
LED current/channel
30
25
I2C/SPI support
No
No