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CAT32TDI-T3 PDF预览

CAT32TDI-T3

更新时间： 2024-02-10 17:40:22
品牌 Logo 应用领域
CATALYST 驱动器
页数 文件大小 规格书
14页 290K
描述
CMOS White LED Driver

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CAT32TDI-T3 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：VSSOP, TSOP6,.11,37针数：6
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.24
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PDSO-G6
JESD-609代码：e3长度：2.9 mm
复用显示功能：NO功能数量：1
区段数：4端子数量：6
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：TSOP6,.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）：NOT SPECIFIED
电源：2/7 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：7 V最小供电电压：2 V
标称供电电压：3 V表面贴装：YES
技术：CMOS温度等级：INDUSTRIAL
端子面层：Tin (Sn)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：NOT SPECIFIED宽度：1.6 mm
最小 fmax：1.6 MHzBase Number Matches：1

CAT32TDI-T3 数据手册

 浏览型号CAT32TDI-T3的Datasheet PDF文件第2页浏览型号CAT32TDI-T3的Datasheet PDF文件第3页浏览型号CAT32TDI-T3的Datasheet PDF文件第4页浏览型号CAT32TDI-T3的Datasheet PDF文件第5页浏览型号CAT32TDI-T3的Datasheet PDF文件第6页浏览型号CAT32TDI-T3的Datasheet PDF文件第7页 
CAT32  
CMOS White LED Driver  
FEATURES  
DESCRIPTION  
„ Low quiescent ground current (0.5mA typical)  
„ Power efficiency over 80%  
The CAT32 is a DC/DC step up converter that delivers  
a regulated output current. Operation at a constant  
switching frequency of 1.2MHz allows the device to be  
used with very small value external inductor and  
ceramic capacitors.  
„ Compatible pinout with LT1932  
„ Adjustable output current (up to 40mA)  
„ High frequency 1.2MHz operation  
„ Input voltage operation down to 2.0V  
„ Low resistance (0.5Ω) high voltage power switch  
„ Drives up to 4 White LEDs in series  
„ Shutdown current less than 1µA  
The CAT32 is targeted to drive multiple white light-  
emitting diodes (LEDs) connected in series and  
provides the necessary regulated current to control  
the brightness and the color purity. An external  
resistor RSET controls the output current level. LED  
currents of up to 40mA can be supported over a wide  
range of input supply voltages from 2V to 7V, making  
the device ideal for battery-powered applications.  
„ Load fault protection against open-circuits  
„ Low value external components  
„ Low profile (1mm) TSOT-23 6-lead and TDFN  
A high voltage output stage allows up to 4 White LEDs  
to be driven in series. Series drive provides inherent  
current matching.  
8-pad (0.8mm) package  
APPLICATION  
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 “near zero”  
quiescent current.  
„ Color LCD and keypad backlighting  
„ Cellular phones  
„ Handheld terminals  
„ Digital cameras  
„ PDAs/Games  
In addition to overcurrent limiting protection, the  
device also includes detection circuitry to ensure  
protection against open-circuit load fault conditions.  
„ Portable MP3 players  
For Ordering Information details, see page 14.  
The device is available in a low profile (1mm max  
height) 6-lead TSOT-23 package and in an 8-pad  
TDFN (0.8mm max height) package.  
TYPICAL APPLICATION CIRCUIT  
L
1
6.8µH  
D1  
VIN  
2.7V  
to  
4.2V  
C1  
4.7µF  
6
1
VIN  
SW  
CAT32  
PWM  
DIMMING  
CONTROL  
5
3
C2  
1µF  
LED  
SHDN  
RSET  
4
GND  
2
C1: Taiyo Yuden JMK212BJ475  
C2: Taiyo Yuden EMK212BJ105  
D1: Zetez ZHCS400  
L1: Sumida CLQ4D106R8  
(Panasonic ELJEA6R8)  
15mA  
R
SET  
1.50kΩ  
TSOT-23 Pin Numbers  
Figure 1. Li-Ion Driver for Four High-Brightness White LEDs  
© Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
1
Doc. No. MD-5001 Rev. AD  
1234567...14

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