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Atmel LED Drivers-MSL1061/MSL1064
6-string PWM LED Driver with Digitally Compensated, 1.1MHz,
48V Boost Regulator, ±1.5% Current Balance, I 2 C Interface
Key Features
?  Drives 6 Strings of up to 12 LEDs per String
?  Drives 72 White LEDs at 30mA for 8W Backlight
?  Better than ±1.5% String-to-string Current Accuracy
?  4.75V to 36V Wide Input Supply Range
?  Integrated Boost Regulator with 50V Internal Switch
?  1.1MHz Current Mode PWM Boost for Low Noise
?  Up to 92% Boost Converter Efficiency
?  Internal, Automatic Power Supply Management
?  Adjustable LED Current up to 30mA per String
?  String Outputs can be Paralleled for >30mA LEDs
?  256:1 Internal PWM Dimming Range Through I 2 C
?  16:1 Internal Analog Dimming Range Through I 2 C
?  12-Bit Total Internal PWM + Analog Dimming Range
?  ALS Interface for Automatic Brightness Setting
?  NTC Interface for Temperature Derating
Application Circuit
V IN = 4.75V to 36V
?  Individual Open-circuit and Short-circuit
Fault Detection
?  Faults Automatically Disable the Faulty String
?  Fault Reporting and Fault Reset Through I 2 C/SMB
?  FLTB Logic Output Indicates Faults
?  Enable Input Simplifies Operation Without I 2 C/SMB
?  PWM Input Synchronizes PWM to System Clock
and Allows Logic PWM Control Without I 2 C
?  Adjustable Over-voltage Protection
?  Serial I 2 C/SMB Compatible Interface to 1MHz
?  Four selectable I 2 C Slave Addresses (MSL1061)
?  GUI Software for Ease of Evaluation
?  -40°C - +85°C Operating Temperature Range
?  Lead-free, Halogen-free, RoHS-compliant Package
V OUT = 48V max
.
.
Fault
Alert
ALS or
NTC
VIN
EN
FLTB
OSC
IADJ
MSL1061
MSL1064
SW
OVP
ILED
STR0
. .
STR5
….
Up to 12
White
LEDs per
String
Set
String
current
1.5% maximum current
mismatch between
Strings
PWM
Atmel LED Drivers-MSL1061/MSL1064
GND
SDA
SCL
AD0
I C or
SMBus
I C address selection
(MSL1061 only)
3
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相关代理商/技术参数
MSL1061AV-R 功能描述:LED照明驱动器 6Str LED Dvr Dgtl 1.1MHz 48V r 1.5% 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
MSL1064 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:6-string PWM LED Driver with Digitally Compensated, 1.1MHz, 48V Boost Regulator, ±1.5% Current Balance, I2C Interface
MSL1064AW 功能描述:LED照明驱动器 6Str PWM LED Dvr Dgt 1.1MHz 48V 1.5% I 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
MSL1064AW-R 功能描述:LED照明驱动器 6Str PWM LED Dvr Dgt 1.1MHz 48V1.5% I 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
MSL1064-TC 功能描述:LED照明驱动器 6Str PWM LED Dvr Dgt 1.1MHz 48V+/-1.5% I 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
MSL106E 制造商:TE Connectivity 功能描述:
MSL-1-1/2 制造商:Cooper Bussmann 功能描述:
MSL-1-1/4 制造商:Cooper Bussmann 功能描述: