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參數(shù)資料
| 型號： | LM2702MTX-ADJ/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.6 A SWITCHING REGULATOR, 720 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | TSSOP-16 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 1197K |
| 代理商： | LM2702MTX-ADJ/NOPB |
LM2702
TFT Panel Module
General Description
The LM2702 is a compact bias solution for TFT displays. It
has a current mode PWM step-up DC/DC converter with a
2A, 0.2
internal switch. Capable of generating 8V at
170mA from a Lithium Ion battery, the LM2702 is ideal for
generating bias voltages for large screen LCD panels. The
LM2702 operates at a switching frequency of 600kHz allow-
ing for easy filtering and low noise. An external compensa-
tion pin gives the user flexibility in setting frequency compen-
sation, which makes possible the use of small, low ESR
ceramic capacitors at the output. The LM2702 uses a pat-
ented internal circuitry to limit startup inrush current of the
boost switching regulator without the use of an external
softstart capacitor. An external softstart pin enables the user
to tailor the softstart to a specific application. The LM2702
has an internal controllable PMOS switch used for control-
ling the row driver voltages. The switch can be controlled
externally with a control pin and delay time. The LM2702
contains a Vcom amplifier and a Gamma buffer capable of
supplying 50mA source and sink. The TSSOP-16 package
ensures a low profile overall solution.
Features
n
2A, 0.2
, internal power switch
n
V
IN operating range: 2.2V to 12V
n
600kHz switching frequency step-up DC/DC converter
n
Inrush current limiting circuitry
n
External softstart override
n
Internal 7.3
PMOS switch
n
PMOS switch control pin
n
PMOS switch delay pin
n
Vcom amplifier
n
Gamma buffer
n
16 pin TSSOP package
Applications
n
LCD Bias Supplies
Typical Application Circuit
20051131
February 2005
LM2702
TFT
Panel
Module
2005 National Semiconductor Corporation
DS200511
www.national.com
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| LM2703 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Micropower Step-up DC/DC Converter with 350mA Peak Current Limit |
| LM2703EV | 功能描述:電源管理IC開發(fā)工具 LM2703 EVAL UNIT RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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| LM2703MF-ADJ | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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