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參數(shù)資料
| 型號： | LM5008MMXEP |
| 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, MSOP-8 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 662K |
| 代理商： | LM5008MMXEP |
LM5008EP
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
enhanced 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 40C to +125C
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
n
Integrated 100V, N-Channel buck switch
n
Internal V
CC regulator
n
No loop compensation required
n
Ultra-Fast transient response
n
On time varies inversely with line voltage
n
Operating frequency remains constant with varying line
voltage and load current
n
Adjustable output voltage
n
Highly efficient operation
n
Precision internal reference
n
Low bias current
n
Intelligent current limit protection
n
Thermal shutdown
Typical Applications
n
Selected Military Applications
n
Selected Avionics Applications
n
Non-Isolated Telecommunication Buck Regulator
n
Secondary High Voltage Post Regulator
Package
n
MSOP - 8
n
LLP - 8 (4mm x 4mm)
Ordering Information
PART NUMBER
VID PART NUMBER
NS PACKAGE NUMBER (Note 3)
LM5008MMEP
V62/06618–01
MUA08A
(Notes 1, 2)
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
April 2006
LM5008EP
High
V
oltage
(100V)
Step
Down
Switching
Regulator
2006 National Semiconductor Corporation
DS201876
www.national.com
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| LM5008SDX | 0.61 A SWITCHING REGULATOR, DSO8 |
| 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 |
|---|---|
| LM5008SD | 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 |
| LM5008SD/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 |
| LM5008SDC | 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 |
| LM5008SDC/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 |
| LM5008SDCX | 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 |
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