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參數(shù)資料
| 型號(hào)： | SMH4803A |
| 廠商： | Summit Microelectronics, Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Distributed Power Hot Swap Controller |
| 中文描述： | 分布式電源熱插拔控制器 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大?。?/td> | 436K |
| 代理商： | SMH4803A |
1
Characteristics subject to change without notice
2051 4.4 3/15/01
SMH4803A
Preliminary
SUMMIT
MICROELECTRONICS, Inc.
Distributed Power Hot Swap Controller
SUMMIT MICROELECTRONICS, Inc., 2000 300 Orchard City Dr., Suite 131 Campbell, CA 95008 Phone 408-378-6461 FAX 408-378-6586 www.summitmicro.com
Soft Starts Main Power Supply on Card Insertion
or System Power Up
Senses Card Insertion via Short Pins or Ejector
Switches
Master Enable to Allow System Control of Power
Up or Down
Can be used as a Temperature Sense Input
Programmable Independent Controls of 3 DC/DC
Converters
Not Enabled until Host Supply Fully Soft
Started
Programmable Time Delay Between each
Enable Signal
Available Input to hold off Dependant Enables
until Conditions are Satisfied
Highly Programmable Circuit Breaker
Programmable Quick-Trip
TM
Values
Programmable Current Limiting
FEATURES
SIMPLIFIED APPLICATION DRAWING
VDD
VSS
CBSENSE
PD1#
PD2#
UV
OV
PG3#
2.5VREF
PG2#
PG1#
5.0VREF
2051 SAD 1.2
0V
–48V
VGATE
Pin Detect
Pin Detect
DC/DC
DC/DC
DC/DC
SMH4803A
FAULT#
ENPGA
ENPGB
Disable / Enable
DRAIN
SENSE
R3
R1
R2
Programmable Circuit Breaker Mode:
Latched (Volatile or Nonvolatile)
Programmable Duty Cycle Times
Programmable Over-current Filter
Programmable Host Voltage Fault Monitoring
Programmable Under- voltage Hysteresis
Programmable UV/OV Voltage Filter
Programmable Fault Mode: Latched or Duty
Cycle
Nonvolatile Programming to Customize Features
Available Pre-programmed from Summit
2.5V and 5.0V Reference Outputs
Eliminates the Need or Other Primary Volt-
ages
Easy Expansion of External Monitor Func-
tions
Supply Range ±20VDC to >±500VDC
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| SMH4803AEK | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Distributed Power Hot-Swap Controller |
| SMH4803AEKP | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Distributed Power Hot-Swap Controller |
| SMH4803AEL | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Distributed Power Hot-Swap Controller |
| SMH4803AELP | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Distributed Power Hot-Swap Controller |
| SMH4803AEM | 制造商:SUMMIT 制造商全稱:SUMMIT 功能描述:Distributed Power Hot-Swap Controller |
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