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LQH3C100K24 PDF预览

LQH3C100K24

更新时间: 2024-02-29 19:07:38
品牌 Logo 应用领域
安森美 - ONSEMI 驱动器电感器测试DC-DC转换器
页数 文件大小 规格书
11页 172K
描述
CMOS White LED Driver

LQH3C100K24 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8504.50.80.00
风险等级:5.82Is Samacsys:N
型芯材料:FERRITE直流电阻:0.3 Ω
标称电感 (L):10 µH电感器应用:DC-DC CONVERTER
电感器类型:GENERAL PURPOSE INDUCTOR功能数量:1
端子数量:2最高工作温度:85 °C
最低工作温度:-25 °C最大额定电流:0.45 A
自谐振频率:26 MHz形状/尺寸说明:RECTANGULAR PACKAGE
屏蔽:NO表面贴装:YES
端子位置:DUAL ENDED端子形状:J BEND
测试频率:1 MHz容差:10%
Base Number Matches:1

LQH3C100K24 数据手册

 浏览型号LQH3C100K24的Datasheet PDF文件第2页浏览型号LQH3C100K24的Datasheet PDF文件第3页浏览型号LQH3C100K24的Datasheet PDF文件第4页浏览型号LQH3C100K24的Datasheet PDF文件第5页浏览型号LQH3C100K24的Datasheet PDF文件第6页浏览型号LQH3C100K24的Datasheet PDF文件第7页 
CAT32  
CMOS White LED Driver  
Description  
The CAT32 is a DC/DC step up converter that delivers a regulated  
output current. Operation at a constant switching frequency of  
1.2 MHz allows the device to be used with very small value external  
inductor and ceramic capacitors.  
http://onsemi.com  
The CAT32 is targeted to drive multiple white lightemitting diodes  
(LEDs) connected in series and provides the necessary regulated current  
to control the brightness and the color purity. An external resistor R  
SET  
1
controls the output current level. LED currents of up to 40 mA can be  
supported over a wide range of input supply voltages from 2 V to 7 V,  
making the device ideal for batterypowered applications.  
A high voltage output stage allows up to 4 White LEDs to be driven  
in series. Series drive provides inherent current matching.  
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 powerdown mode with “near zero”  
quiescent current.  
In addition to overcurrent limiting protection, the device also  
includes detection circuitry to ensure protection against opencircuit  
load fault conditions.  
The device is available in a low profile (1 mm max height) 6lead  
TSOT23 package.  
TSOT23  
TD SUFFIX  
CASE 419AF  
PIN CONNECTIONS  
1
VIN  
SW  
GND  
LED  
SHDN  
RSET  
TSOT23  
1 mm Maximum Height  
q
= 250°C/W (free air)  
JA  
(Top View)  
Features  
Low Quiescent Ground Current (0.5 mA Typical)  
Power Efficiency Over 80%  
Compatible Pinout with LT1932  
MARKING DIAGRAMS  
Adjustable Output Current (up to 40 mA)  
High Frequency 1.2 MHz Operation  
Input Voltage Operation down to 2.0 V  
Low Resistance (0.5 W) High Voltage Power Switch  
Drives up to 4 White LEDs in Series  
Shutdown Current Less than 1 mA  
LLYM  
VFYM  
LL = CAT32TDIT3  
VF = CAT32TDIGT3  
Y = Production Year (Last Digit)  
M = Production Month (19, A, B, C)  
Load Fault Protection Against Opencircuits  
Low Value External Components  
ORDERING INFORMATION  
Low Profile (1 mm) TSOT23 6lead Package  
These Devices are PbFree, Halogen Free/BFR Free and are RoHS  
Compliant  
Device  
Package  
Shipping  
CAT32TDIT3  
TSOT23  
(PbFree)  
3,000/  
Tape & Reel  
Applications  
CAT32TDIGT3  
TSOT23  
(PbFree)  
3,000/  
Tape & Reel  
Color LCD and Keypad Backlighting  
Cellular Phones  
Handheld Terminals  
Digital Cameras  
PDAs/Games  
Portable MP3 Players  
©
Semiconductor Components Industries, LLC, 2010  
1
Publication Order Number:  
March, 2010 Rev. 4  
CAT32/D  

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