SNVS606L
June 2009 – December 2014
LM3530
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
I2C Device Options
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
I2C-Compatible Timing Requirements (SCL, SDA)
7.7
Simple Interface Timing
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Start-Up
8.3.2
Light Load Operation
8.3.3
Ambient Light Sensor
8.3.4
ALS Operation
8.3.5
ALS Averaging Time
8.3.5.1
Averager Operation
8.3.6
Zone Boundary Settings
8.3.7
Zone Boundary Trip Points and Hysteresis
8.3.8
Minimum Zone Boundary Settings
8.3.9
LED Current Control
8.3.10
Exponential or Linear Brightness Mapping Modes
8.3.11
PWM Input Polarity
8.3.12
I2C-Compatible Current Control Only
8.3.13
Simple Enable Disable With PWM Current Control
8.3.14
Ambient Light Current Control
8.3.15
Ambient Light Current Control + PWM
8.3.16
Interrupt Output
8.3.17
Overvoltage Protection
8.3.18
Hardware Enable
8.3.19
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Shutdown
8.4.2
I2C Mode
8.4.3
PWM + I2C Mode
8.4.4
ALS Mode
8.4.5
Simple Enable Mode
8.5
Programming
8.5.1
I2C-Compatible Interface
8.5.1.1
Start and Stop Condition
8.5.1.2
I2C-Compatible Address
8.5.1.3
Transferring Data
8.6
Register Maps
8.6.1
Register Descriptions
8.6.1.1
General Configuration Register (GP)
8.6.1.2
ALS Configuration Register
8.6.1.3
Brightness Ramp Rate Register
8.6.1.4
ALS Zone Information Register
8.6.1.5
ALS Resistor Select Register
8.6.1.6
Brightness Control Register
8.6.1.7
Zone Boundary Register
8.6.1.8
Zone Target Registers
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
LED Current Setting/Maximum LED Current
9.2.2.2
Maximum Duty Cycle
9.2.2.3
Peak Current Limit
9.2.2.4
Output Voltage Limitations
9.2.2.5
Output Capacitor Selection
9.2.2.6
Inductor Selection
9.2.2.7
Diode Selection
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.1.1
Output Capacitor Placement
11.1.2
Schottky Diode Placement
11.1.3
Inductor Placement
11.1.4
Input Capacitor Selection and Placement
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Documentation Support
12.2.1
Related Documentation
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
パッケージ・オプション
メカニカル・データ(パッケージ|ピン)
YFZ|12
MXBG194
YFQ|12
MXBG170
サーマルパッド・メカニカル・データ
発注情報
snvs606l_oa
snvs606l_pm
5 I
2
C Device Options
ORDERABLE NUMBER
I
2
C DEVICE OPTION
LM3530TME-40
0x38
LM3530TMX-40
0x38
LM3530UME-25A
0x36
LM3530UME-40
0x38
LM3530UME-40B
0x39
LM3530UMX-25A
0x36
LM3530UMX-40
0x38
LM3530UMX-40B
0x39