ZHCSF90D
August 2012 – June 2016
LP5560
PRODUCTION DATA.
1
特性
2
应用
3
说明
4
修订历史记录
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
Electrical Characteristics
6.6
Single-Wire Interface Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
LED Driver Headroom Voltage
7.3.2
Single-Wire Interface
7.3.2.1
Run Command
7.3.2.2
Training Start Command
7.3.2.3
Training End Command
7.3.2.4
Run-Once Command
7.3.3
Training Mode
7.3.3.1
Ending the Training Sequence
7.3.3.2
Reset to Default
7.3.3.3
Changing the LED Current
7.3.3.4
Entering Follow Mode
7.3.3.5
Timeout
7.3.4
LED Output Current Setting
7.3.5
Rise and Fall Time Settings
7.3.6
LED ON-Time Setting
7.3.7
LED OFF-Time Setting
7.4
Device Functional Modes
7.5
Programming
7.5.1
Default Sequence
7.6
Registers
7.6.1
Control Registers
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Step-by-Step Design Procedure
8.2.2.2
Running the Default Blinking Sequence
8.2.2.3
Programming New Blinking Sequence to the Memory
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
器件和文档支持
11.1
文档支持
11.1.1
相关文档
11.2
接收文档更新通知
11.3
社区资源
11.4
商标
11.5
静电放电警告
11.6
Glossary
12
机械、封装和可订购信息
5 Pin Configuration and Functions
YFQ Package
4-Pin DSBGA
Top View
Pin Functions
PIN
TYPE
(1)
DESCRIPTION
NO.
NAME
A1
VDD
P
Power supply pin
A2
LED
A
Current source output
B1
GND
G
Ground
B2
CTRL
DI
Single-wire interface input
(1) A: Analog Pin D: Digital Pin G: Ground Pin P: Power Pin I: Input Pin