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TLC5947 24-Channel, 12-Bit PWM LED Driver With Internal Oscillator
SBVS114B
July 2008 – January 2015
TLC5947
PRODUCTION DATA.
CONTENTS
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TLC5947 24-Channel, 12-Bit PWM LED Driver With Internal Oscillator
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
Dissipation Ratings
6.6
Electrical Characteristics
6.7
Switching Characteristics
6.8
Typical Characteristics
7
Parameter Measurement Information
7.1
Pin Equivalent Input and Output Schematic Diagrams
7.2
Test Circuits
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Grayscale (GS) Control Function
8.3.2
Auto Display Repeat Function
8.3.3
Thermal Shutdown (TSD)
8.3.4
Noise Reduction
8.4
Programming
8.4.1
Register Configuration
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
Define Basic Parameters
9.2.2.2
Grayscale (GS) Data
9.2.2.3
Auto-Display Function
9.2.2.4
Setting for the Constant Sink Current Value
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
11.3
Power Dissipation
12
Device and Documentation Support
12.1
Trademarks
12.2
Electrostatic Discharge Caution
12.3
Glossary
13
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
DAP|32
MPDS380A
RHB|32
MPQF130D
Thermal pad, mechanical data (Package|Pins)
DAP|32
PPTD001K
RHB|32
QFND029X
Orderable Information
sbvs114b_oa
sbvs114b_pm
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