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參數(shù)資料
| 型號(hào)： | MIC2588-1BM TR |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 1/21頁(yè) |
| 文件大?。?/td> | 1079K |
| 描述： | IC CTRLR HOT SWAP NEG HV 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類(lèi)型： | 熱交換控制器 |
| 應(yīng)用： | -48V Dist 電源系統(tǒng)，AdvancedTCA ? 系統(tǒng) |
| 內(nèi)部開(kāi)關(guān)： | 無(wú) |
| 電流限制： | 可調(diào) |
| 電源電壓： | -19 V ~ -80 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOIC |
| 包裝： | 帶卷 (TR) |
| 其它名稱(chēng)： | MIC2588-1BMTR MIC2588-1BMTR-ND |
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September 2005
1
M9999-083005
MIC2588/MIC2594
Micrel
MIC2588/MIC2594
Single-Channel, Negative High-Voltage Hot
Swap Power Controllers
General Description
The MIC2588 and the MIC2594 are single-channel, nega-
tive-voltage hot swap controllers designed to address the
need for safe insertion and removal of circuit boards into
live high-voltage system backplanes, while using very few
external components. The MIC2588 and the MIC2594 are
each available in an 8-pin SOIC package and work in con-
junction with an external N-Channel MOSFET for which the
gate drive is controlled to provide inrush current limiting and
output voltage slew-rate control. Overcurrent fault protection
is also provided and includes a programmable overcurrent
threshold. During an output overload condition, a constant-
current regulation loop is engaged to ensure that the system
power supply maintains regulation. If a fault condition exceeds
a built-in 400祍 nuisance-trip delay, the MIC2588 and the
MIC2594 will latch the circuit breakers output off and will
remain in the off state until reset by cycling either the UV/OFF
pin or the power to the IC. A master Power-Good signal is
provided to indicate that the output voltage of the soft-start
circuit is within its valid output range. This signal can be used
to enable one or more DC-DC converter modules.
All support documentation can be found on Micrels web site
at www.micrel.com.
Typical Application
/PWRGD
DRAIN
UV
OV
VDD
SENSE
GATE
VEE
1
8
7
6
5
4
3
2
R1
698k&
1%
R3
12.4k&
1%
R2
11.8k&
1%
C1
1uF
R
SENSE
0.01&
5%
*D1
SMAT70A
100V
M1
SUM110N10-09
R
FDBK
15k&
C3
0.22uF
CFDBK
6.8nF
100V
R4
10&
-48V
OUT
-48V RTN
C5
100uF
C4
0.1uF
-48V
IN
(Long Pin)
-48V RTN
(Long Pin)
*C6
0.33uF
MIC2588-2BM
-48V RTN
(Short Pin)
DC-DC
CONVERTER
IN-
IN+
ON/OFF
#
OUT+
OUT-
+2.5V RTN
+2.5VOUT
VDD
*C2
22nF
Nominal Undervoltage and Overvoltage Thresholds:
V
UV
= 36.5V
V
OV
= 71.2V
* Optional components (See Applications Information for more details)
# An external pull-up resistor for the power-good signal is necessary for DC-DC supplies
-
Features
" MIC2588:
Pin-for-pin functional equivalent to the
LT1640/LT1640A/LT4250
" Provides safe insertion and removal from live 48V
(nominal) backplanes
" Operates from 19V to 80V
" Electronic circuit breaker function
" Built-in 400祍 nuisance-trip delay (t
FLT
)
" Regulated maximum output current into faults
" Programmable inrush current limiting
" Fast response to short circuit conditions (< 1祍)
" Programmable undervoltage and overvoltage lockouts
(MIC2588-xBM)
" Programmable UVLO hysteresis (MIC2594-xBM)
" Fault reporting:
Active-HIGH (-1BM) and Active-LOW (-2BM)
Power-Good output signal
Applications
" Central ofce switching
" 48V power distribution
" Distributed power systems
" Server Networks
Micrel, Inc. " 2180 Fortune Drive " San Jose, CA 95131 " USA " tel + 1 (408) 944-0800 " fax + 1 (408) 474-1000 " http://www.micrel.com
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參數(shù)描述 |
|---|---|
| MIC2588-1YM | 功能描述:熱插拔功率分布 Negative Voltage Hot-swap Controller - Lead Free RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2588-1YM TR | 功能描述:熱插拔功率分布 Negative Voltage Hot-swap Controller - Lead Free RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| MIC2588-1YMTR | 制造商:RF Micro Devices Inc 功能描述: |
| MIC2588-1YM-TR | 功能描述:Hot Swap Controller 1 Channel -48V 8-SOIC 制造商:microchip technology 系列:- 包裝:剪切帶（CT） 零件狀態(tài):停產(chǎn) 類(lèi)型:熱交換控制器 通道數(shù):1 內(nèi)部開(kāi)關(guān):無(wú) 應(yīng)用:-48V 特性:故障超時(shí)，閉鎖故障 可編程特性:限流，OVP，壓擺率，UVLO 電壓 - 電源:-80 V ~ -19 V 電流 - 輸出（最大值）:- 工作溫度:-40°C ~ 85°C 電流 - 電源:3mA 安裝類(lèi)型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商器件封裝:8-SOIC 功能引腳:DRAIN，OV，PWRGD，UV 標(biāo)準(zhǔn)包裝:1 |
| MIC2588-2BM | 功能描述:IC CTRLR HOT SWAP NEG HV 8-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類(lèi)型:熱插拔開(kāi)關(guān) 應(yīng)用:通用 內(nèi)部開(kāi)關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類(lèi)型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件 |
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