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參數(shù)資料
| 型號(hào)： | LM3075MTCX/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | LEAD FREE, TSSOP-20 |
| 文件頁(yè)數(shù)： | 1/18頁(yè) |
| 文件大小： | 857K |
| 代理商： | LM3075MTCX/NOPB |
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LM3075
High Efficiency, Synchronous Current Mode Buck
Controller
General Description
The LM3075 is a current mode control, synchronous buck
controller IC. Use of synchronous rectification and pulse-
skipping operation at light load achieves high efficiency over
a wide load range. Fixed frequency operation can be ob-
tained by disabling the pulse-skipping mode. Current mode
control assures excellent line and load regulation and a wide
loop bandwidth for fast response to load transients.
Current mode control can be achieved by either sensing
across the high side NFET or a sense resistor. The switching
frequency can be selected as either 200 kHz or 300 kHz
from an internal clock.
The LM3075 is available with an adjustable output in a
TSSOP-20 package.
Features
n
Input voltage range of 4.5V-36V
n
Current Mode Control
n
Skip mode operation available
n
Cycle by cycle current limit
n
1.24V ±2% Reference
Applications
n
Automotive Power Supplies
n
Distributed Power Systems
Typical Application Circuit
20162301
September 2005
LM3075
High
Efficiency
,
Synchronous
Current
Mode
Buck
Controller
2005 National Semiconductor Corporation
DS201623
www.national.com
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相關(guān)代理商/技術(shù)參數(shù) |
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| LM3075N/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
| LM3075N/B+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
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| LM307AH | 制造商:Texas Instruments 功能描述: |
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