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LT3519IMS-1#TRPBF PDF预览

LT3519IMS-1#TRPBF

更新时间： 2024-09-25 20:06:11
品牌 Logo 应用领域
凌特 - Linear 驱动光电二极管接口集成电路
页数 文件大小 规格书
20页 263K
描述
LT3519/LT3519-1/LT3519-2 - LED Driver with Integrated Schottky Diode; Package: MSOP; Pins: 16; Temperature Range: -40°C to 85°C

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中文翻译

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LT3519IMS-1#TRPBF 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：TSSOP, TSSOP16,.19,20
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.02接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：4.039 mm湿度敏感等级：1
复用显示功能：NO功能数量：1
区段数：1端子数量：16
最高工作温度：125 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装等效代码：TSSOP16,.19,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：NOT SPECIFIED
电源：12 V认证状态：Not Qualified
座面最大高度：1.1 mm子类别：Display Drivers
最大供电电压：30 V最小供电电压：3 V
标称供电电压：12 V表面贴装：YES
技术：BIPOLAR温度等级：OTHER
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：NOT SPECIFIED宽度：3 mm
Base Number Matches：1

LT3519IMS-1#TRPBF 数据手册

 浏览型号LT3519IMS-1#TRPBF的Datasheet PDF文件第2页浏览型号LT3519IMS-1#TRPBF的Datasheet PDF文件第3页浏览型号LT3519IMS-1#TRPBF的Datasheet PDF文件第4页浏览型号LT3519IMS-1#TRPBF的Datasheet PDF文件第5页浏览型号LT3519IMS-1#TRPBF的Datasheet PDF文件第6页浏览型号LT3519IMS-1#TRPBF的Datasheet PDF文件第7页 
LT3519/LT3519-1/LT3519-2  
LED Driver with Integrated  
Schottky Diode  
FEATURES  
DESCRIPTION  
n
™
Up to 3000:1 True Color PWM Dimming  
Wide Input Voltage Range  
The LT®3519/LT3519-1/LT3519-2 are fixed frequency  
step-up DC/DC converters designed to drive LEDs. They  
featureaninternal45V,750mAlowsideswitchandSchottky  
diode. Combining a traditional voltage feedback and a  
unique rail-to-rail current sense feedback allows these  
converters to operate as a constant-voltage source or  
constant-currentsource.Internalcompensationsimplifies  
applications.Thesedevicesfeaturerail-to-railLEDcurrent  
sense pins that provide the most flexibility in choosing a  
converter configuration to drive the LEDs. The LED cur-  
rent is externally programmable with a sense resistor. The  
external PWM provides up to 3000:1 PWM dimming and  
n
Operation from 3V to 30V  
Transient Protection to 40V  
n
n
n
n
n
Rail-to-Rail LED Current Sense from 0V to 45V  
45V, 750mA Internal Switch  
Internal Schottky Diode  
Constant-Current and Constant-Voltage Regulation  
Boost, SEPIC, Buck-Boost Mode or Buck Mode  
Topology  
n
n
n
Open LED Protection and Open LED Status Pin  
Programmable Undervoltage Lockout with Hysteresis  
Fixed Frequency: 400kHz (LT3519), 1MHz (LT3519-1), the CTRL input provides analog dimming.  
2.2MHz (LT3519-2)  
Internal Compensation  
CTRL Pin Provides Analog Dimming  
Low Shutdown Current: <1μA  
16-Lead MSOP Package  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. True Color PWM is a trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
n
n
n
n
Protected by U.S. Patents, including 7199560 and 7321203.  
APPLICATIONS  
n
Automotive  
n
Industrial  
n
Constant Current Source  
Current Limited Constant Voltage Source  
n
TYPICAL APPLICATION  
4W Boost Automotive LED Driver  
LED Current vs VIN  
68μH  
V
OUT  
120  
V
IN  
V
= 6V AND ABOVE  
IN  
6V TO 30V  
1μF  
4.7μF  
100  
SW ANODE CATHODE  
V
ISP  
IN  
80  
60  
1M  
2.49Ω  
100k  
ISN  
FB  
SHDN/UVLO  
LT3519  
1M  
243k  
1M  
V
40  
20  
0
REF  
38V LED  
100mA  
CTRL  
29.4k  
137k  
OPENLED  
0
10  
20  
30  
GND  
PWM  
V
(V)  
IN  
M1  
3519 TA01b  
PWM  
3519 TA01a  
3519fa  
1
1234567...20

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