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參數(shù)資料
| 型號： | LM25010 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 42V, 1.0A Step-Down Switching Regulator |
| 中文描述： | 42V的1.0安培降壓型開關穩(wěn)壓器 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 776K |
| 代理商： | LM25010 |
LM25010
42V, 1.0A Step-Down Switching Regulator
General Description
The LM25010 features all the functions needed to implement
a low cost, efficient, buck regulator capable of supplying in
excess of 1A load current. This high voltage regulator inte-
grates an N-Channel Buck Switch, and is available in ther-
mally enhanced LLP-10 and TSSOP-14EP packages. The
constant on-time regulation scheme requires no loop com-
pensation resulting in fast load transient response and sim-
plified circuit implementation. The operating frequency re-
mains constant with line and load variations due to the
inverse relationship between the input voltage and the on-
time. The valley current limit detection is set at 1.25A. Addi-
tional features include: VCC under-voltage lock-out, thermal
shutdown, gate drive under-voltage lock-out, and maximum
duty cycle limiter.
Features
n
Wide 6V to 42V Input Voltage Range
n
Valley Current Limiting At 1.25A
n
Programmable Switching Frequency Up To 1 MHz
n
Integrated N-Channel Buck Switch
n
Integrated High Voltage Bias Regulator
n
No Loop Compensation Required
n
Ultra-Fast Transient Response
n
Nearly Constant Operating Frequency With Line and
Load Variations
n
Adjustable Output Voltage
n
2.5V,
±
2% Feedback Reference
n
Programmable Soft-Start
n
Thermal shutdown
Typical Applications
n
Non-Isolated Telecommunications Regulator
n
Secondary Side Post Regulator
n
Power SUpply for Automotive Electronics
Package
n
LLP-10 (4 mm x 4 mm)
n
TSSOP-14EP
n
Both Packages Have Exposed Thermal Pad For
Improved Heat Dissipation
Basic Step-Down Regulator
20172743
February 2006
L
2006 National Semiconductor Corporation
DS201727
www.national.com
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| LM25010SD | 42V, 1.0A Step-Down Switching Regulator |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM25010_08 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:42V, 1.0A Step-Down Switching Regulator |
| LM25010EVAL | 功能描述:電源管理IC開發(fā)工具 LM25010 EVAL BOARD 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 |
| LM25010MH | 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
| LM25010MH/NOPB | 功能描述:直流/直流開關調(diào)節(jié)器 42V,1.0A STEP-DOWN SWITCHING REG RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| LM25010MHX | 功能描述:直流/直流開關轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率: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 安裝風格:SMD/SMT |
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