參數(shù)資料
型號： LM25010SDX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 42V, 1.0A Step-Down Switching Regulator
中文描述： 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, DSO10
封裝： 4 X 4 MM, LLP-10
文件頁數(shù)： 1/17頁
文件大?。?/td> 776K
代理商： LM25010SDX
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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相關代理商/技術參數(shù)
參數(shù)描述
LM25010SDX/NOPB 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
LM25011 制造商:NSC 制造商全稱:National Semiconductor 功能描述:42V, 2A Constant On-Time Switching Regulator with Adjustable Current Limit
LM25011A 制造商:TI 制造商全稱:Texas Instruments 功能描述:42V 2A Constant On-Time Switching Regulator With Adjustable Current Limit
LM25011AMY 制造商:Texas Instruments 功能描述:IC REG BUCK ADJ 2A 10MSOP 制造商:Texas Instruments 功能描述:42V, 2A COT Switching Regulator
LM25011AMYE 制造商:Texas Instruments 功能描述:42V, 2A COT SWITCHING REGULATOR - Tape and Reel 制造商:Texas Instruments 功能描述:IC REG BUCK ADJ 2A 10MSOP 制造商:Texas Instruments 功能描述:IC BUCK 2MHZ 42V 2A MSOP-10 制造商:Texas Instruments 功能描述:IC, BUCK, 2MHZ, 42V, 2A, MSOP-10 制造商:Texas Instruments 功能描述:Voltage Regulators - Switching Regulators 42V,2A COT Switching Reg w/Adj Crnt Limit 制造商:Texas Instruments 功能描述:42V, 2A COT Switching Regulator 制造商:Texas Instruments 功能描述:IC, BUCK, 2MHZ, 42V, 2A, MSOP-10, Primary Input Voltage:42V, No. of Outputs:1, O 制造商:Texas Instruments 功能描述:IC, BUCK, 2MHZ, 42V, 2A, MSOP-10, Primary Input Voltage:42V, No. of Outputs:1, Output Current:2A, Voltage Regulator Case Style:MSOP, No. of Pins:10, Operating Temperature Min:-40C, Operating Temperature Max:125C, MSL:MSL 3 - 168 制造商:Texas Instruments 功能描述:VOLTAGE REG, BUCK, ADJ, 2A, 2MHZ, MSOP10, Primary Input Voltage:42V, No. of Outputs:1, Output Current:2A, No. of Pins:10, Operating Temperature Min:-40C, Operating Temperature Max:125C, MSL:MSL 3 - 168 hours, Package / Case:10-MSOP, RoHS Compliant: Yes
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