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CAT4137TS PDF预览

CAT4137TS

更新时间: 2024-11-20 22:40:07
品牌 Logo 应用领域
CATALYST 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
页数 文件大小 规格书
14页 504K
描述
CMOS Boost Converter- White LED Driver

CAT4137TS 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Transferred零件包装代码:SOT-23
包装说明:VSSOP, TSOP5/6,.11,37针数:5
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.09
Is Samacsys:N接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:R-PDSO-G5JESD-609代码:e0
长度:2.9 mm湿度敏感等级:1
复用显示功能:NO功能数量:1
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):240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:Tin/Lead (Sn/Pb)
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:30
宽度:1.625 mmBase Number Matches:1

CAT4137TS 数据手册

 浏览型号CAT4137TS的Datasheet PDF文件第2页浏览型号CAT4137TS的Datasheet PDF文件第3页浏览型号CAT4137TS的Datasheet PDF文件第4页浏览型号CAT4137TS的Datasheet PDF文件第5页浏览型号CAT4137TS的Datasheet PDF文件第6页浏览型号CAT4137TS的Datasheet PDF文件第7页 
CAT4137  
CMOS Boost Converter - White LED Driver  
Features  
Product Description  
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Drives up to 5 White LEDs from 3V  
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.  
Power Efficiency up to 87%  
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)  
Applications  
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.  
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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  
Part Number  
Package  
Quantity Package  
per Reel Marking  
CAT4137TS TSOT23-5  
CAT4137TD TSOT23-5  
Lead Free1  
3000  
3000  
LW  
LX  
Note 1: NiPdAu Lead Plating  
Pin Configuration  
Typical Application Circuit  
Top View  
5-Lead Thin SOT23  
1mm max height  
L: Murata LQH32CN220  
D: Central CMDSH2-3 (rated 30V)  
© 2005 Catalyst Semiconductor, Inc.  
1 of 14  
Doc. 5012 , Rev. A  
Characteristics subject to change without notice  

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