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LT3518IUF#TRPBF

更新时间： 2024-11-13 21:07:35
品牌 Logo 应用领域
凌特 - Linear 驱动接口集成电路
页数 文件大小 规格书
20页 445K
描述
LT3518 - Full-Featured LED Driver with 2.3A Switch Current; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C

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中文翻译

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LT3518IUF#TRPBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC16,.16SQ,25
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.01接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：S-PQCC-N16JESD-609代码：e3
长度：4 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：HVQCCN
封装等效代码：LCC16,.16SQ,25封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE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：0.8 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：NO LEAD
端子节距：0.65 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：4 mm
Base Number Matches：1

LT3518IUF#TRPBF 数据手册

 浏览型号LT3518IUF#TRPBF的Datasheet PDF文件第2页浏览型号LT3518IUF#TRPBF的Datasheet PDF文件第3页浏览型号LT3518IUF#TRPBF的Datasheet PDF文件第4页浏览型号LT3518IUF#TRPBF的Datasheet PDF文件第5页浏览型号LT3518IUF#TRPBF的Datasheet PDF文件第6页浏览型号LT3518IUF#TRPBF的Datasheet PDF文件第7页 
LT3518  
Full-Featured LED Driver  
with 2.3A Switch Current  
Features  
Description  
The LT®3518 is a current mode DC/DC converter with an  
internal 2.3A, 45V switch specifically designed to drive  
LEDs. The LT3518 operates as a LED driver in boost, buck  
mode and buck-boost mode. It combines a traditional  
voltage loop and a unique current loop to operate as a  
constant-current source or constant-voltage source. Pro-  
grammableswitchingfrequencyallowsoptimizationofthe  
externalcomponentsforefficiencyorcomponentsize.The  
switching frequency of the LT3518 can be synchronized  
to an external clock signal. The LED current is externally  
programmable with a 100mV sense resistor. The external  
PWM input provides 3000:1 LED dimming. The CTRL pin  
provides further 10:1 dimming ratio.  
n
3000:1 True Color PWM™ Dimming Ratio  
n
2.3A, 45V Internal Switch  
n
100mV High Side Current Sense  
Open LED Protection  
n
n
Adjustable Frequency: 250kHz to 2.5MHz  
n
Wide Input Voltage Range:  
n
Operation from 3V to 30V  
Transient Protection to 40V  
n
n
Operates in Boost, Buck Mode and Buck-Boost Mode  
n
Gate Driver for PMOS LED Disconnect  
n
Constant-Current and Constant-Voltage Regulation  
n
CTRL Pin Provides 10:1 Analog Dimming  
Low Shutdown Current: <1µA  
n
n
Available in (4mm × 4mm) 16-Lead QFN and 16-Pin  
TSSOP Packages  
The LT3518 is available in the tiny footprint 16-lead QFN  
(4mm×4mm)andthe16-pinTSSOPpackage.TheLT3518  
provides a complete solution for both constant-voltage  
and constant-current applications.  
L, LT, LTC and LTM are registered trademarks and True Color PWM is a trademark of Analog  
Devices Inc. All other trademarks are the property of their respective owners. Protected by U.S.  
Patents, including 7199560, 7321203, 7746300. Patent Pending.  
applications  
n
Display Backlighting  
n
Automotive and Avionic Lighting  
n
Illumination  
Scanners  
n
typical application  
Efficiency  
1.5A Buck Mode LED Driver  
100  
CTRL = V  
REF  
10µF  
68mΩ  
M1  
90  
PV  
IN  
24V  
2.2µF  
1.5A  
80  
70  
15µH  
ISP  
ISN TG  
V
IN  
V
SW  
IN  
3.3V  
2.2µF  
SHDN  
60  
50  
40  
LT3518  
V
CTRL  
PWM  
FB  
SS  
RT  
REF  
PWM  
SYNC  
0
20  
40  
60  
80  
100  
TGEN V  
VC GND  
REF  
PWM DUTY CYCLE (%)  
16.9k  
1MHz  
0.1µF  
3518 TA01b  
0.1µF  
3518 TA01a  
3518ff  
1
For more information www.linear.com/LT3518  
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中文翻译

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LT3518IUF#TRPBF 替代型号

型号 品牌 替代类型 描述 数据表
LT3518IUF#PBF Linear

类似代替

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

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