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LT3518IFE#PBF

更新时间： 2024-09-26 13:09:39
品牌 Logo 应用领域
凌特 - Linear 控制器
页数 文件大小 规格书
28页 393K
描述
LT3518 - Full-Featured LED Driver with 2.3A Switch Current; Package: TSSOP; Pins: 16; Temperature Range: -40°C to 85°C

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中文翻译

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LT3518IFE#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：TSSOP包装说明：HTSSOP, TSSOP16,.25
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：4.29接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：5 mm湿度敏感等级：1
复用显示功能：NO功能数量：1
区段数：3端子数量：16
最高工作温度：125 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HTSSOP
封装等效代码：TSSOP16,.25封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：5 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：5 V表面贴装：YES
技术：BIPOLAR温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：4.4 mm
Base Number Matches：1

LT3518IFE#PBF 数据手册

 浏览型号LT3518IFE#PBF的Datasheet PDF文件第2页浏览型号LT3518IFE#PBF的Datasheet PDF文件第3页浏览型号LT3518IFE#PBF的Datasheet PDF文件第4页浏览型号LT3518IFE#PBF的Datasheet PDF文件第5页浏览型号LT3518IFE#PBF的Datasheet PDF文件第6页浏览型号LT3518IFE#PBF的Datasheet PDF文件第7页 
LT3761  
60V LED Controller with  
IN  
Internal PWM Generator  
FeaTures  
DescripTion  
n
3000:1 True Color PWM™ Dimming for LEDs  
The LT®3761 is a DC/DC controller designed to operate as  
a constant-current source and constant-voltage regulator.  
ItfeaturesaprogrammableinternalPWMdimmingsignal.  
The LT3761 is ideally suited for driving high current LEDs,  
but also has features to make it suitable for charging bat-  
teries and supercapacitors. The fixed frequency, current  
mode architecture results in stable operation over a wide  
range of supply and output voltages. A voltage feedback  
pinservesastheinputforseveralLEDprotectionfeatures,  
and also makes it possible for the converter to operate  
as a constant-voltage source. A frequency adjust pin  
allows the user to program the frequency from 100kHz  
to 1MHz to optimize efficiency, performance or external  
component size.  
n
Wide V Range: 4.5V to 60V  
IN  
n
n
n
Rail-to-Rail Current Sense Range: 0V to 80V  
Programmable PWM Dimming Signal Generator  
Constant Current ( 3%ꢀ and Constant-Voltage  
( 2%ꢀ Regulation  
n
n
Analog Dimming  
Drives LEDs in Boost, SEPIC, Inverting, Buck Mode,  
Buck-Boost Mode, or Flyback Configuration  
Output Short-Circuit Protected Boost  
Open LED Protection and Reporting  
n
n
n
n
n
n
n
Adjustable Switching Frequency: 100kHz to 1MHz  
Programmable V UVLO with Hysteresis  
C/10 Indication for Battery Chargers  
Low Shutdown Current: <1µA  
Thermally Enhanced 16-Lead MSOP Package  
IN  
TheLT3761sensesoutputcurrentatthehighsideoratthe  
low side of the load. The PWM input can be configured to  
self-oscillate at fixed frequency with duty ratio program-  
mable from 4% to 96%. When driven by an external  
signal, the PWM input provides LED dimming ratios of  
up to 3000:1. The CTRL input provides additional analog  
dimming capability.  
applicaTions  
n
High Voltage LED Strings >100V with Ground  
Referred Current Sense  
n
Grounded Anode LEDs  
Battery and SuperCap Chargers  
Accurate Current Limited Voltage Regulators  
n
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
True Color PWM is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners. Protected by U.S. Patents including 7199560, 7321203.  
n
Typical applicaTion  
94% Efficient Boost LED Driver for Automotive  
Headlamp with 25:1 Internal PWM Dimming  
10µH  
V
IN  
8V TO  
60V  
PWM Dimming Waveforms at  
Various DIM Voltage Settings  
2.2µF  
×2  
499k  
V
IN  
1M  
2.2µF  
×4  
0.25Ω  
1A  
GATE  
EN/UVLO  
V
REF  
SENSE  
90.9k  
V
= 7.7V  
PWM  
DIM  
DC  
1M  
= 96%  
LT3761  
10mΩ  
16.9k  
CTRL  
V
= 4V  
PWM  
DIM  
DC  
GND  
INTV  
CC  
140k  
= 50%  
I
LED  
1A/DIV  
100k  
FB  
ISP  
ISN  
V
= 1.5V  
PWM  
DIM  
DC  
= 10%  
60W  
OPENLED  
DIM/SS  
PWM  
LED  
DIM  
STRING  
V
DIM  
DC  
= 0.4V  
124k  
0.01µF  
PWMOUT  
= 4.3%  
PWM  
V
RT INTV  
C
CC  
3761 TA01b  
0.5ms/DIV  
47nF  
300Hz  
28.7k  
350kHz  
5.1k  
4.7nF  
INTV  
CC  
1µF  
3761 TA01a  
3761f  
1
1234567...28

中文翻译

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LT3518IFE#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LT3518IFE#TRPBF Linear

完全替代

 LT3518 - Full-Featured LED Driver with 2.3A Switch Current; Package: TSSOP; Pins: 16; Temp

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