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參數資料
| 型號： | MIC2589R-2YM TR |
| 廠商： | Micrel Inc |
| 文件頁數： | 1/29頁 |
| 文件大小： | 4205K |
| 描述： | IC CTRLR HOT-SWAP 1CH NEG 14SOIC |
| 標準包裝： | 1 |
| 類型： | 熱交換控制器 |
| 應用： | 通用 |
| 內部開關： | 無 |
| 電源電壓： | -19 V ~ -80 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 14-SOIC |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | 576-1486-1 |
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MIC2589/MIC2595
Single-Channel, Negative High-Voltage Hot
Swap Power Controller/Sequencer
Micrel Inc. " 2180 Fortune Drive " San Jose, CA 95131 " USA " tel +1 (408) 944-0800 " fax + 1 (408) 474-1000 " http://www.micrel.com
December 2005
M9999-120505
(408) 955-1690
General Description
The MIC2589 and MIC2595 are single-channel,
negative voltage hot swap controllers designed to
address the need for safe insertion and removal of
circuit boards into live system backplanes, while using
few external components. The MIC2589/MIC2589R and
the MIC2595/MIC2595R are each available in 14-pin
SOIC packaging and work in conjunction 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 via a programmable overcurrent threshold
and filter. Very fast fault response is provided to ensure
that system power supplies maintain regulation even
during output short circuits. These controllers offer two
responses to a circuit breaker fault condition: the
MIC2589 and MIC2595 latch the circuit breakers output
off when the overcurrent threshold interval is exceeded
and the overcurrent filter times out while the MIC2589R
and MIC2595R automatically attempt to restart at a fixed
duty cycle after a current limit fault. A primary Power-
Good signal and two secondary (delayed and
staggered) Power-Good signals are provided to indicate
that the output voltage is within its valid operating range.
These signals can be used to perform an all-at-once or
a sequenced enabling of one or more DC-DC power
modules.
All support documentation can be found on Micrels web
site at www.micrel.com.
Features
" Provides safe insertion and removal from live 48V
(nominal) backplanes
" Operates from 19V to 80V
" Fast responding circuit breaker (<1祍) to short circuit
conditions
" User-programmable overcurrent detector response
time
" Electronic circuit breaker function:
Output latch OFF (MIC2589/MIC2595)
Output auto-retry (MIC2589R/MIC2595R)
" Active current regulation to control inrush currents
" Programmable undervoltage and overvoltage
lockouts (MIC2589/MIC2589R)
" Programmable UVLO hysteresis
(MIC2595/MIC2595R)
" Staggered Power-Good output signals provide load
sequencing
Active-HIGH (-1)
Active-LOW (-2)
Applications
" Central office switching
" 48V power distribution
" Distributed power systems
" AdvancedTCA
_________________________________________________________________________________________________________
Ordering Information
Part Number
Standard
Pb-Free
PWRGD
Polarity
Lockout Functions
Circuit Breaker
Function
Package
MIC2589-1BM
MIC2589-1YM
Active-High Programmable UVLO & OVLO
Latched Off
14-Pin SOIC
MIC2589-2BM
MIC2589-2YM
Active-Low
Programmable UVLO & OVLO
Latched Off
14-Pin SOIC
MIC2589R-1BM MIC2589R-1YM Active-High Programmable UVLO & OVLO
Auto Retry
14-Pin SOIC
MIC2589R-2BM MIC2589R-2YM
Active-Low
Programmable UVLO & OVLO
Auto Retry
14-Pin SOIC
MIC2595-1BM
MIC2595-1YM
Active-High Programmable UVLO Hysteresis
Latched Off
14-Pin SOIC
MIC2595-2BM
MIC2595-2YM
Active-Low
Programmable UVLO Hysteresis
Latched Off
14-Pin SOIC
MIC2595R-1BM MIC2595R-1YM Active-High Programmable UVLO Hysteresis
Auto Retry
14-Pin SOIC
MIC2595R-2BM MIC2595R-2YM
Active-Low
Programmable UVLO Hysteresis
Auto Retry
14-Pin SOIC
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