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The JTMH3807 DC-DC converter supplies all three voltages req

时间:2016-03-05 11:59来源:未知 作者:oumao18 点击:
目录 1. 产品概述 2. 产品特点 3. 应用范围 4. 技术规格书下载(产品PDF文档 ) 5. 产品封装图 6. 电路原理图 7. 功能概述 8 . 相关产品 一 , 产品概述( General Description) The JTMH3807 DC-DC converter supplie
目录

,产品概述(General Description)      

   The JTMH3807 DC-DC converter supplies all three voltages required by small thin film transistor (TFT) liquid crystal
display (LCD) panels. The compact JTMH3807 uses a single inductor to generate independently regulated positive and
negative outputs.

The main output, AVDD, is post-regulated to provide a low-ripple source drive voltage for the LCD display. The
auxiliary outputs generate a boosted output voltage, VGH, up to 20 V, and a negative output voltage, VGL,        low to -20 V
for the LCD gate drive. The device has internal over-current protection cycle by cycle and thermal shutdown for high reliability
during fault conditions.

The JTMH3807 is available in a DFN-12L package.

.产品特点(Features)

Ø  Input Voltage Range: 2.5V ~ 5.5V

Ø  Main Output, AVDD

—Adjustable Voltage

—Load current up to 40mA@10V

—Efficiency up to 75%

Ø  Positive Output, VGH

—Adjustable Voltage up to 20V@2mA

Ø  Negative Output, VGL

—Adjustable Voltage low to -20V@2mA

Ø  Soft-Start

Ø  Over-current protection cycle by cycle

Ø  Thermal shutdown

Ø  DFN-12L Package


,应用范围 (Applications)


Ø  Small Form Factor a-Si and LTPS TFT LCD

Ø  PDAs

Ø  Cellular Phones

Ø  MP3 Players

Ø  GPS Receivers

四.技术规格书下载(产品PDF)


五,产品封装图 (Package)



六.电路原理图



,功能概述



八,相关芯片选择指南


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