Datasheet Linear Technology LT1942EUF#TRPBF — 数据表

制造商	Linear Technology
系列	LT1942
零件号	LT1942EUF#TRPBF

四路DC / DC转换器，用于三路输出TFT电源和LED驱动器

数据表

PDF, 264 Kb, 修订版: B, 文件上传: Sep 3, 2017

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价格

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Package	4x4 QFN-24
Package Code	UF
Package Index	05-08-1697

参数化

Boost Switch Current	0.08, 0.08 A
Demo Boards	DC688A
Export Control	no
Features	Integrated Schottky Diode, Power Good, Output Disconnect, Open LED Protection
Number of Outputs	4
Operating Temperature Range	0 to 85 °C
Vin Max	16 V
Vin Min	2.6 V

生态计划

RoHS

Compliant

文章

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Compact Power Supply Drives TFT-LCD and LED Backlight &mdash LT Journal
PDF, 301 Kb, 档案已发布: Mar 25, 2005
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DESIGN IDEAS Compact Power Supply Drives
TFT-LCD and LED Backlight by Dongyan Zhou
Introduction Li-Ion to 4-Inch or
The LT1942 is a highly integrated, 5-Inch TFT-LCD L1
22ВµH VIN
3V TO 4.2V R5
442k C3
0.22ВµF
16V C2
0.22ВµF
16V R6
63.4k R4
10k
R3
665k
VIN D3
FB3 SW3 0.1ВµF 16V
L5 47ВµH
L2 47ВµH SHUTDOWN C6 SW1
FB1 NFB2 SW4 LT1942 D4 D2 LED1 SW2 LED2 SHDN
CTRL4 AGND LED CONTROL
PGND14
PGND23 SS1 SS4 C7 …

模型线

系列: LT1942 (2)

LT1942EUF#PBF LT1942EUF#TRPBF

制造商分类

Power Management > Switching Regulator > LCD/CCD/OLED Bias
Power Management > Switching Regulator > Step-Up (Boost) Regulators > Internal Power Switch Boost | Multiple Output Boost
Power Management > LED Driver ICs > Step-Up (Boost) LED Drivers
Power Management > PMIC & Multifunction > Multitopology DC/DC

其他名称:

LT1942EUFTRPBF, LT1942EUF TRPBF

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