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參數(shù)資料
| 型號： | LM5008SDEP |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.61 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, LLP-8 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 392K |
| 代理商： | LM5008SDEP |
LM5008EP
OBSOLETE
August 30, 2011
High Voltage (100V) Step Down Switching Regulator
General Description
The LM5008EP Step Down Switching Regulator features all
of the functions needed to implement a low cost, efficient,
Buck bias regulator. This high voltage regulator contains an
100 V N-Channel Buck Switch. The device is easy to imple-
ment and is provided in the MSOP-8 and the thermally en-
hanced LLP-8 packages. The regulator is based on a
hysteretic control scheme using an ON time inversely pro-
portional to V
IN. This feature allows the operating frequency
to remain relatively constant. The hysteretic control requires
no loop compensation. An intelligent current limit is imple-
mented with forced OFF time, which is inversely proportional
to Vout. This scheme ensures short circuit protection while
providing minimum foldback. Other protection features in-
clude: Thermal Shutdown, V
CC under-voltage lockout, Gate
drive under-voltage lockout, and Max Duty Cycle limiter
ENHANCED PLASTIC
Extended Temperature Performance of 40°C to +125°C
Baseline Control - Single Fab & Assembly Site
Process Change Notification (PCN)
Qualification & Reliability Data
Solder (PbSn) Lead Finish is standard
Enhanced Diminishing Manufacturing Sources (DMS)
Support
Features
■ Integrated 100V, N-Channel buck switch
■ Internal V
CC regulator
■ No loop compensation required
■ Ultra-Fast transient response
■ On time varies inversely with line voltage
■ Operating frequency remains constant with varying line
voltage and load current
■ Adjustable output voltage
■ Highly efficient operation
■ Precision internal reference
■ Low bias current
■ Intelligent current limit protection
■ Thermal shutdown
Typical Applications
■ Selected Military Applications
■ Selected Avionics Applications
■ Non-Isolated Telecommunication Buck Regulator
■ Secondary High Voltage Post Regulator
Package
■ MSOP - 8
■ LLP - 8 (4mm x 4mm)
Ordering Information
Part Number
VID Part Number NS Package Number
LM5008MMEP
V62/06618–01
MUA08A
TBD
Note 1:
For the following (Enhanced Plastic) version, check for availability: - LM5008MMXEP, LM5008SDEP, LM5008SDXEP.
Note 2:
FOR ADDITIONAL ORDERING AND PRODUCT INFORMATION, PLEASE VISIT THE ENHANCED PLASTIC WEB SITE AT: www.national.com/
mil
Note 3:
Refer to package details under Physical Dimensions
Connection Diagram
20187602
8-Lead MSOP, LLP
2011 National Semiconductor Corporation
201876
www.national.com
201876 Version 2 Revision 4
Print Date/Time: 2011/08/30 23:05:33
LM5008EP
High
Voltage
(100V)
Step
Down
Switching
Regulator
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| LM5027AMH | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO20 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM5008SDX | 功能描述:直流/直流開關轉換器 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 |
| LM5008SDX/NOPB | 功能描述:直流/直流開關轉換器 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 |
| LM5009 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 mA, 100V Step-Down Switching Regulator |
| LM5009_08 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 mA, 100V Step-Down Switching Regulator |
| LM5009A | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:100V, 150 mA Constant On-Time Buck Switching Regulator |
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