ZHCSAX3B
March 2013 – May 2014
TLC5973
PRODUCTION DATA.
1
特性
2
应用范围
3
说明
4
修订历史记录
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
Handling Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Parameter Measurement Information
7.1
Pin-Equivalent Input and Output Schematic Diagrams
7.2
Test Circuits
7.3
Timing Diagrams
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Grayscale (GS) Control
8.3.2
EasySet and Shunt Regulator
8.3.3
No Limit Cascading
8.3.4
Constant Sink Current Value
8.3.5
Connector Design
8.4
Device Functional Modes
8.4.1
Grayscale (GS) Function (PWM Control)
8.4.1.1
PWM Control
8.4.2
One-Wire Interface (EasySet) Data Writing Method
8.4.2.1
Data Transfer Rate (tCYCLE) Measurement Sequence
8.4.2.2
Data ‘0’ and Data ‘1’ Write Sequence (Data Write Sequence)
8.4.2.3
One Communication Cycle End of Sequence (EOS)
8.4.2.4
GS Data Latch (GSLAT) Sequence
8.5
Programming
8.5.1
Controlling Devices Connected in Series
8.6
Register Maps
8.6.1
Register and Data Latch Configuration
9
Applications and Implementation
9.1
Application Information
9.2
Typical Applications
9.2.1
No Internal Shunt Regulator Mode 1
9.2.1.1
Design Requirements
9.2.1.2
Detailed Design Procedure
9.2.1.3
Application Curve
9.2.2
No Internal Shunt Regulator Mode 2
9.2.2.1
Design Requirements
9.2.2.2
Detailed Design Procedure
9.2.2.3
Application Curve
9.2.3
Internal Shunt Regulator Mode
9.2.3.1
Design Requirements
9.2.3.2
Detailed Design Procedure
9.2.3.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
Trademarks
12.2
Electrostatic Discharge Caution
12.3
Glossary
13
机械封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
D|8
MSOI002K
散热焊盘机械数据 (封装 | 引脚)
订购信息
zhcsax3b_oa
zhcsax3b_pm
11 Layout
11.1 Layout Guidelines
The resistor used for the output current setting should be placed near the IREF and GND pins of the device.
The decoupling capacitor and the shunt regulator resistor should be placed near the VCC pin of the device.
11.2 Layout Example
Figure 30. Layout Example