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CAT4137TD-GT3 PDF预览

CAT4137TD-GT3

更新时间： 2024-01-16 01:44:51
品牌 Logo 应用领域
安森美 - ONSEMI 显示驱动器转换器驱动程序和接口接口集成电路光电二极管升压转换器PC
页数 文件大小 规格书
16页 243K
描述
CMOS Boost Converter - White LED Driver

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CAT4137TD-GT3 技术参数

是否无铅：不含铅生命周期：Active
零件包装代码：TSOT包装说明：VSSOP, TSOP5/6,.11,37
针数：5Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：10 weeks风险等级：0.42
Samacsys Confidence：4Samacsys Status：Released
2D Presentation：https://componentsearchengine.com/2D/0T/410998.2.1.pngSchematic Symbol：https://componentsearchengine.com/symbol.php?partID=410998
PCB Footprint：https://componentsearchengine.com/footprint.php?partID=4109983D View：https://componentsearchengine.com/viewer/3D.php?partID=410998
Samacsys PartID：410998Samacsys Image：https://componentsearchengine.com/Images/9/CAT4137TD-GT3.jpg
Samacsys Thumbnail Image：https://componentsearchengine.com/Thumbnails/2/CAT4137TD-GT3.jpgSamacsys Pin Count：5
Samacsys Part Category：Power SupplySamacsys Package Category：SOT23 (5-Pin)
Samacsys Footprint Name：TSOT23-5 CASE 419ae-01 ISSUE OSamacsys Released Date：2017-03-07 10:44:58
Is Samacsys：N接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-G5JESD-609代码：e4
长度：2.9 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：5
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：VSSOP
封装等效代码：TSOP5/6,.11,37封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
电源：3.6 V认证状态：Not Qualified
座面最大高度：1 mm子类别：Display Drivers
最大供电电压：5.5 V最小供电电压：2.2 V
标称供电电压：3.6 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：40宽度：1.6 mm
Base Number Matches：1

CAT4137TD-GT3 数据手册

 浏览型号CAT4137TD-GT3的Datasheet PDF文件第2页浏览型号CAT4137TD-GT3的Datasheet PDF文件第3页浏览型号CAT4137TD-GT3的Datasheet PDF文件第4页浏览型号CAT4137TD-GT3的Datasheet PDF文件第5页浏览型号CAT4137TD-GT3的Datasheet PDF文件第6页浏览型号CAT4137TD-GT3的Datasheet PDF文件第7页 
CAT4137  
CMOS Boost Converter – White LED Driver  
FEATURES  
DESCRIPTION  
„ Drives up to 5 White LEDs from 3V  
„ Power Efficiency up to 87%  
The CAT4137 is a DC/DC step-up converter that  
delivers a regulated output current. Operation at a  
constant switching frequency of 1MHz allows the  
device to be used with small value external ceramic  
capacitors and inductor.  
„ Low Quiescent Ground Current 0.1mA  
„ Adjustable Output Current (up to 30mA)  
„ High Frequency 1MHz Operation  
„ “Zero” current shutdown mode  
„ Operates down to 2V (from two AA batteries)  
„ Soft start power-up  
The device drives a string of white LEDs connected  
in series and provides the regulated current to control  
the LEDs with inherent uniform brightness and  
matching. An external resistor R1 sets the output  
current and allows up to 30mA current to be  
supported over a wide range of input supply voltages  
from 2.2V to 5.5V, making the device ideal for  
battery-powered applications.  
„ Open LED low power mode  
„ Automatic shutdown at 1.9V (UVLO)  
„ Thermal shutdown protection  
„ Thin SOT23 5-Lead (1mm max height)  
LED dimming can be done by using a DC voltage, a  
logic signal, or a pulse width modulation (PWM)  
signal. The shutdown control pin allows the device to  
be placed in power-down mode with “zero” quiescent  
current.  
APPLICATIONS  
„ LCD Backlighting  
„ Cellular Phones  
„ Handheld Devices  
„ Digital Cameras  
In addition to thermal protection and overload current  
limiting, the device also enters a very low power  
operating mode during “Open LED” fault conditions.  
The device is housed in a low profile (1mm max  
height) 5-lead thin SOT23 package for space critical  
applications.  
ORDERING INFORMATION  
Quantity  
per Reel  
Package  
Marking  
Part Number  
Package  
CAT4137TD-T3  
TSOT23-5(1)  
3000  
3000  
LX  
CAT4137TD-GT3 TSOT23-5(2)  
UE  
For Ordering Information details see page 15.  
Notes: (1) Matte-Tin Plated Finish (RoHS-compliant).  
(2) NiPdAu Plated Finish (RoHS-compliant).  
PIN CONFIGURATION  
TYPICAL APPLICATION CIRCUIT  
L
D
TSOT-23 5-Lead  
1mm max height  
V
IN  
V
OUT  
2.2 to  
5.5V  
22µH  
C1  
C2  
0.22µF  
1
2
5
SW  
VIN  
SW  
1µF  
VIN  
GND  
CAT4137  
3
4
SHDN  
FB  
OFF ON  
SHDN  
GND  
FB  
V
= 300mV  
FB  
R1  
15Ω  
(Top View)  
L: Murata LQH32CN220  
D: Central CMDSH2-3 (rated 30V)  
© 2008 SCILLC. All rights reserved.  
Characteristics subject to change without notice  
1
Doc. No. MD-5012 Rev. C  
1234567...16

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