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Atmel LED Drivers-MSL2041/MSL2042
Low-cost, Simple 4-string LED Drivers with External Current Sink
MOSFETs, 5000:1 Dimming Range and Per String PWM Input
Key Features
?  Drives Four Parallel High Power LED Strings
?  Up to 1A LED String Current with External
N-channel MOSFETS
?  Operates Stand-alone, Basic Circuit Needs Only
PWM Input(s)
?  Four PWM Inputs Allow Individual Frequency,
Brightness and Phase Control of each LED String
(MSL2041)
?  One PWM Input Controls the Frequency and
Brightness of the Automatically Phase Shifted
Strings (MSL2042)
?  8-bit Adaptive SourcePower ? Correction Optimizes
String Power Supply for Maximum Efficiency
?  Multiple MSL2041/2s Share a String Supply and
Automatically Negotiate the Optimum Supply Voltage
?  ±0.5% Current Matching Between Strings
?  String Open-circuit and LED Short-Circuit Fault
Detection and Protection
?  External MOSFETs Offer Flexibility of LEDs Used
in Each String
?  I 2 C Serial Interface Allows Optional Control of
Device Functions and Faults
?  32-pin 300mil SOP Package
?  -40°C To +85°C Operating Temperature Range
?  Lead-Free, Halogen-free, RoHS Compliant Package
Application Circuit
?
?
Atmel LED Drivers-MSL2041/2042
3
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相关代理商/技术参数
MSL2041GU-R 功能描述:LED照明驱动器 Low-Cost, Simple 4-String LED Drivers RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MSL2042 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:Low-cost, Simple 4-string LED Drivers with External Current Sink MOSFETs, 5000:1 Dimming Range and Per String PWM Input
MSL2042GU 功能描述:LED照明驱动器 4Str RGB or White LED Driver lighting RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MSL2042GU-R 功能描述:LED照明驱动器 4Str RGB or White LED Driver lighting RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MSL-204AUYL-4 制造商:Unity Microelectronics Inc 功能描述:LED Uni-Color Amber 592nm 4-Pin SMD T/R
MSL-204B 制造商:UOT 制造商全称:Unity Opto Technology 功能描述:ALLEDs
MSL-204DR 制造商:UOT 制造商全称:Unity Opto Technology 功能描述:ALLEDs
MSL-204HW 制造商:UOT 制造商全称:Unity Opto Technology 功能描述:ALLEDs