參數(shù)資料
型號(hào)： LTC4215CUFD-2#PBF
廠商： Linear Technology
文件頁(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 265K
描述： IC CTRLR HOT SWAP 24-QFN
標(biāo)準(zhǔn)包裝： 73
類型： 熱交換控制器
應(yīng)用： 通用
內(nèi)部開(kāi)關(guān)： 無(wú)
電源電壓： 2.9 V ~ 15 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 24-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 24-QFN（5x4）
包裝： 管件
產(chǎn)品目錄頁(yè)面： 1342 (CN2011-ZH PDF)
LTC4215/LTC4215-2
1
4215fe
 TYPICAL APPLICATION
 DESCRIPTION
Hot Swap Controller with
I
2
C Compatible Monitoring
The LTC
?/DIV>
4215/LTC4215-2 Hot Swap" controllers allow
a board to be safely inserted and removed from a live
backplane. Using an external N-channel pass transistor,
board supply voltage and inrush current are ramped up at
an adjustable rate. An I
2
C interface and onboard ADC allow
for monitoring of load current, voltage and fault status.
The device features adjustable foldback current limit and
a soft-start pin that sets the dI/dt of the inrush current.
An I
2
C interface may con gure the part to latch off or
automatically restart after the LTC4215 detects a current
limit fault.
The controller has additional features to interrupt the host
when a fault has occurred, notify when output power is
good, detect insertion of a load card, and power-up either
automatically upon insertion or wait for an I
2
C command
to turn on.
The LTC4215 has a 20約 circuit breaker  lter for applica-
tions that require a fast fault response time and it defaults
to latchoff after an overcurrent fault. The LTC4215-2 has
an extended 420約 circuit breaker  lter for applications
where supply transients may exceed 20約 and it defaults
to restart automatically after an overcurrent fault.
 FEATURES
 APPLICATIONS
n
  Live Board Insertion
n
  Electronic Circuit Breakers
n
  Computers, Servers
n
  Platform Management
n
  Allows Safe Insertion into Live Backplane
n
  8-Bit ADC Monitors Current and Voltage
n
  I
2
C/SMBus Interface
n
  Wide Operating Voltage Range: 2.9V to 15V
n
  20約 (LTC4215) or 420約 (LTC4215-2) Circuit
Breaker Timeout
n
  dI/dt Controlled Soft-Start
n
  High Side Drive for External N-Channel MOSFET
n
  No External Gate Capacitor Required
n
  Input Overvoltage/Undervoltage Protection
n
  Optional Latchoff or Auto-Retry After Faults
n
  Alerts Host After Faults
n
  Inrush Current Limit with Foldback
n
  Available in 24-Pin (4mm ?5mm) QFN Package
n
  LTC4215 also available in 16-Lead Narrow SSOP
Package
+
UV  V
DD
SENSE
+
SENSE

LTC4215UFD
GATE
TIMER  SS
ON
GND
SOURCE
OV
SDAO
SDAI
SCL
ALERT
INTV
CC
FB
EN
ADIN
GPIO
3.4k
PLUG-IN
CARD
1.18k
P6KE16A
10?/DIV>
0.005?/DIV>
FDC653N
30.1k
V
OUT
12V
3.57k
24k
4215 TA01a
C
L
INTV
CC
INTV
CC
0.1糉
0.1糉
34.8k
BACKPLANE
68nF
GND
ALERT
SCL
SDA
12V
V
OUT
10V/DIV
V
GPIO
(POWERGOOD)
10V/DIV
INRUSH
CURRENT
2.5A/DIV
V
DD
10V/DIV
50ms/DIV
42151 TA01b
C
L
 = 12000糉
CONTACT
BOUNCE
12V Application with 5A Circuit Breaker
Start-Up Waveform
L, LT, LTC, LTM, Linear Technology, the Linear logo and Hot Swap are registered trademarks of
Linear Technology Corporation. All other trademarks are the property of their respective owners.
Protected by U.S. Patent including 7330065.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4215CUFD-3#PBF 功能描述:IC CTRLR HOT SWAP 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開(kāi)關(guān):無(wú) 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤(pán) 產(chǎn)品目錄頁(yè)面:1423 (CN2011-ZH PDF)
LTC4215CUFD-3#TRPBF 功能描述:IC CTRLR HOT SWAP 24-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開(kāi)關(guān):無(wú) 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤(pán) 產(chǎn)品目錄頁(yè)面:1423 (CN2011-ZH PDF)
LTC4215IGN 制造商:LINER 制造商全稱:Linear Technology 功能描述:Hot Swap Controller with I2C Compatible Monitoring
LTC4215IGN#PBF 功能描述:IC CNTRLR HOT SWAP 16-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開(kāi)關(guān):無(wú) 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤(pán) 產(chǎn)品目錄頁(yè)面:1423 (CN2011-ZH PDF)
LTC4215IGN#TRPBF 功能描述:IC CNTRLR HOT SWAP 16-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開(kāi)關(guān):無(wú) 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤(pán) 產(chǎn)品目錄頁(yè)面:1423 (CN2011-ZH PDF)
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