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LT3003EMSE#PBF PDF预览

LT3003EMSE#PBF

更新时间: 2024-02-18 17:09:34
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
16页 209K
描述
LT3003 - 3-Channel LED Ballaster with PWM; Package: MSOP; Pins: 10; Temperature Range: -40°C to 85°C

LT3003EMSE#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:MSOP包装说明:HTSSOP,
针数:10Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.16模拟集成电路 - 其他类型:FLUORESCENT LIGHT CONTROLLER
控制技术:PULSE WIDTH MODULATION最大输入电压:40 V
最小输入电压:3 V标称输入电压:3 V
JESD-30 代码:S-PDSO-G10JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:10
最高工作温度:85 °C最低工作温度:
最大输出电流:0.55 A封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.1 mm
表面贴装:YES切换器配置:BUCK-BOOST
温度等级:COMMERCIAL EXTENDED端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3 mmBase Number Matches:1

LT3003EMSE#PBF 数据手册

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LT3003  
3-Channel LED  
Ballaster with PWM  
FEATURES  
DESCRIPTION  
The LT®3003 drives three separate strings of LEDs up  
to 350mA/channel with 3% accurate current matching,  
resulting in uniform LED brightness and intensity. This  
approach is superior to conventional methods of running  
three separate channels with external ballast resistors  
requiring expensive factory calibration.  
3% LED Current Matching  
Up to 350mA Continuous Current per LED String  
Up to 3000:1 True Color PWMTM Dimming Range  
PWM Input Disconnects LED Strings  
Can Operate in Buck, Boost and Buck-Boost Modes  
Wide Input Range: 3V to 40V  
Overtemperature Outputs  
TheLT3003operatesinboost,buckandbuck-boostmode.  
ATrueColorPWMDimmingratioofupto3000:1isachiev-  
ableusingalogic-levelsignalatthePWMpinforallmodes  
without the need for external level-shifting circuitry. For  
applications with input supply above and below the output  
voltage of the LED strings, the LT3003 allows the LEDs to  
bereturnedtotheinputsupply(buck-boostmode)instead  
of being limited to only SEPIC solutions.  
Works with LT1618, LT3477, LT3474, LT3475,  
LT3476, LTC®3783  
Thermally Enhanced 10-Pin MSOP Package  
APPLICATIONS  
High Power LED Ballaster  
Automotive Lighting  
The LT3003 is ideal for high power LED driver applications  
such as TFT LCD backlighting and heads-up displays. Ad-  
ditionalovertemperatureoutputsallowappropriatesystem  
management for increased reliability.  
Video Cameras  
TFT LCD Backlighting  
The LT3003 is available in a small 10-pin MSE package.  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
True Color PWM is a trademark of Linear Technolology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
Efficiency  
Buck Mode LT3003 with the LT3476  
90  
PV  
IN  
32V  
8 × 3 = 24 LEDs  
350mA PER STRING  
1µF  
0.1Ω  
85  
80  
75  
70  
65  
LED1  
LED2  
LED3  
V
V
MAX  
IN  
SHDN  
PWM  
1µF  
LT3003  
PWM  
DIMMING  
GND OT1 OT2  
V
EE  
PV = 32V  
IN  
NUMBER OF LEDS = 8 × 3 = 24  
CAP LED  
PWM  
0.33µF  
V
C
60  
10µH  
V
0
400  
600  
800  
1000 1200  
IN  
3V TO 16V  
1nF  
200  
V
SIMPLIFIED LT3476  
GND  
IN  
TOTAL LED CURRENT (mA)  
10µF  
SW  
3003 TA01a  
3003 TA01b  
3003fa  
1

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