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CAT4139TD-GT3 PDF预览

CAT4139TD-GT3

更新时间： 2024-02-02 11:34:54
品牌 Logo 应用领域
安森美 - ONSEMI 显示驱动器驱动程序和接口接口集成电路光电二极管PC
页数 文件大小 规格书
13页 243K
描述
22V High Current Boost White LED Driver

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CAT4139TD-GT3 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：TSOT包装说明：VSSOP, TSOP5/6,.11,37
针数：5Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.39数据输入模式：SERIAL
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G5
JESD-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：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）：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：2.8 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
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 mmBase Number Matches：1

CAT4139TD-GT3 数据手册

 浏览型号CAT4139TD-GT3的Datasheet PDF文件第2页浏览型号CAT4139TD-GT3的Datasheet PDF文件第3页浏览型号CAT4139TD-GT3的Datasheet PDF文件第4页浏览型号CAT4139TD-GT3的Datasheet PDF文件第5页浏览型号CAT4139TD-GT3的Datasheet PDF文件第6页浏览型号CAT4139TD-GT3的Datasheet PDF文件第7页 
CAT4139  
22V High Current Boost White LED Driver  
FEATURES  
DESCRIPTION  
„ Switch Current Limit 750mA  
„ Drives LED strings up to 22V  
„ Up to 87% Efficiency  
The CAT4139 is a DC/DC step-up converter that  
delivers an accurate constant current ideal for driving  
LEDs. Operation at a fixed switching frequency of  
1MHz allows the device to be used with small value  
external ceramic capacitors and inductor. LEDs  
connected in series are driven with a regulated  
current set by the external resistor R1. The CAT4139  
is ideal for driving parallel strings of up to five white  
LEDs in series or up to 22V.  
„ Low Quiescent Ground Current 0.6mA  
„ 1MHz Fixed Frequency Low noise Operation  
„ Soft start “in-rush” current limiting  
„ Shutdown current less than 1μA  
„ Open LED Overvoltage Protection  
„ Automatic Shutdown at 1.9V (UVLO)  
„ Thermal overload protection  
„ TSOT-23 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 input pin allows the device to be  
placed in power-down mode with “zero” quiescent  
current.  
APPLICATIONS  
„ GPS Navigation Systems  
„ Portable Media Players  
„ Handheld Devices  
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 TSOT-23 package for space critical  
applications.  
ORDERING INFORMATION  
Quantity Package  
per Reel Marking  
Part Number  
Package  
CAT4139TD-GT3 TSOT23-5*  
3000 TP  
* NiPdAu Plated Finish, RoHS compliant  
For Ordering Information details, see page 12.  
TYPICAL APPLICATION CIRCUIT  
PIN CONFIGURATION  
9 strings at  
20mA  
L
D
TSOT-23 5-Lead  
V
V
IN  
OUT  
22µH  
5V  
C1  
4.7µF  
C2  
1
2
5
SW  
VIN  
1µF  
35V  
SW  
GND  
VIN  
CAT4139  
3
4
SHDN  
FB  
I
OUT  
R2  
180mA  
OFF ON  
SHDN  
GND  
FB  
(300mV)  
R1  
1kΩ  
Top View  
1.62Ω  
L: Sumida CDRH6D28-220  
D: Central CMSH1-40 (rated 40V)  
© 2008 SCILLC. All rights reserved.  
Characteristics subject to change without notice  
1
Doc. No. MD-5032 Rev. B  
1234567...13

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