ZHCSCX6
October 2014
TLC5957
PRODUCTION DATA.
1
特性
2
应用范围
3
说明
4
典型应用电路(多个菊花链 TLC5957)
5
修订历史记录
6
Pin Configuration and Functions
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
Timing Requirements
7.7
Typical Characteristics
8
Parameter Measurement Information
8.1
Pin Equivalent Input and Output Schematic Diagrams
8.2
Test Circuit
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Device Functional Modes
9.3.1
Brightness Control (BC) Function
9.3.2
Color Control (CC) Function
9.3.3
Select RIREF For a Given BC
9.3.4
Choosing BC/CC For a Different Application
9.3.4.1
Example 1: Red LED Current is 20mA, Green LED Needs 12mA, Blue LED needs 8mA
9.3.4.2
Example 2: Red LED Current is 5mA, Green LED Needs 2mA, Blue LED Needs 1mA.
9.3.5
LED Open Detection (LOD)
9.3.6
Poker Mode
9.3.7
Internal Circuit for Caterpillar Removal
9.3.8
Internal Pre-charge FET for Ghost Removal
9.3.9
Thermal Shutdown (TSD)
9.3.10
IREF Resistor Short Protection (ISP)
9.3.11
Noise Reduction
10
Application and Implementation
10.1
Application Information
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
13
器件和文档支持
13.1
相关链接
13.2
商标
13.3
静电放电警告
13.4
术语表
14
机械封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RTQ|56
MPQF168D
散热焊盘机械数据 (封装 | 引脚)
RTQ|56
QFND498B
订购信息
zhcscx6_oa
8 Parameter Measurement Information
8.1 Pin Equivalent Input and Output Schematic Diagrams
Figure 13. SIN, SCLK
Figure 15. LAT, GCLK
Figure 14. SOUT
Figure 16. OUTR0/G0/B0 through OUTR15/G15/B15
8.2 Test Circuit
Figure 17. Rise Time and Fall Time Test Circuit for OUTXn
Figure 19. Constant Current Test Circuit for OUTXn
Figure 18. Rise Time and Fall Time Test Circuit for SOUT