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參數(shù)資料
| 型號： | LM2700MTX-ADJ |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter |
| 中文描述： | 4.3 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO14 |
| 封裝： | TSSOP-14 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 478K |
| 代理商： | LM2700MTX-ADJ |
LM2700
600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter
General Description
The LM2700 is a step-up DC/DC converter with a 3.6A,
80m
internal switch and pin selectable operating fre-
quency. With the ability to produce 500mA at 8V from a
single Lithium Ion battery, the LM2700 is an ideal part for
biasing LCD displays. The LM2700 can be operated at
switching frequencies of 600kHz and 1.25MHz allowing for
easy filtering and low noise. An external compensation pin
gives the user flexibility in setting frequency compensation,
which makes possible the use of small, low ESR ceramic
capacitors at the output. The LM2700 features continuous
switching at light loads and operates with a switching quies-
cent current of 2.0mAat 600kHz and 3.0mAat 1.25MHz. The
LM2700 is available in a low profile 14-lead TSSOP package
or a 14-lead LLP package.
Features
n
3.6A, 0.08
, internal switch
n
Operating input voltage range of 2.2V to 12V
n
Input undervoltage protection
n
Adjustable output voltage up to 17.5V
n
600kHz/1.25MHz pin selectable frequency operation
n
Over temperature protection
n
Small 14-Lead TSSOP or LLP package
Applications
n
LCD Bias Supplies
n
Handheld Devices
n
Portable Applications
n
GSM/CDMA Phones
n
Digital Cameras
Typical Application Circuit
20012301
600 kHz Operation
October 2001
L
2001 National Semiconductor Corporation
DS200123
www.national.com
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| LM2700 | 600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2700MTX-ADJ/NOPB | 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 |
| LM2700Q | 制造商:TI 制造商全稱:Texas Instruments 功能描述:600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter |
| LM2700QMT-ADJ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter |
| LM2700QMT-ADJ/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 600kHz/1.25MHz,2.5A SU PWM DC/DC Cnvrtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2700QMTX-ADJ | 制造商:TI 制造商全稱:Texas Instruments 功能描述:600kHz/1.25MHz, 2.5A, Step-up PWM DC/DC Converter |
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