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參數資料
| 型號： | LTC4222CG#TRPBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/32頁 |
| 文件大小： | 339K |
| 描述： | IC CTRLR DUAL HOT SWAP 36-SSOP |
| 標準包裝： | 2,000 |
| 類型： | 熱交換控制器 |
| 應用： | 通用 |
| 內部開關： | 無 |
| 電源電壓： | 2.9 V ~ 29 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-SSOP（0.209"，5.30mm 寬） |
| 供應商設備封裝： | 36-SSOP |
| 包裝： | 帶卷 (TR) |
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LTC4222
1
4222fb
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
Dual Hot Swap Controller
with I
2
C Compatible
Monitoring
The LTC
?/DIV>
4222 Hot Swap" controller allows two power
paths to be safely inserted and removed from a live back-
plane. Using external N-channel pass transistors, board
supply voltages and inrush currents are ramped up at an
adjustable rate. An I
2
C interface and onboard ADC allows
for monitoring of current, voltage and fault status for
each channel.
The device features adjustable, analog, foldback current
limit circuits and a soft-start circuit that sets the dI/dt of
the inrush currents. An I
2
C interface may configure the
part to latch off or automatically restart after the LTC4222
detects a fault on either channel.
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.
Advanced Mezzanine Card Application
n
Allows Safe Insertion Into a Live Backplane
n
10-Bit ADC Monitors Currents and Voltages
n
I
2
C/SMBus Interface
n
Wide Operating Voltage Range: 2.9V to 29V
n
dI/dt Controlled Soft-Start
n
High Side Drive for External N-Channel MOSFETs
n
No External Gate Capacitors Required
n
Input Overvoltage/Undervoltage Protection
n
Optional Latchoff or Auto-Retry After Faults
n
Alert Host After Faults
n
Inrush Current Limit with Foldback
n
Available in 32-Pin (5mm ?5mm) QFN
and 36-Pin SSOP Packages
n
Live Board Insertion
n
Electronic Circuit Breakers
n
Computers, Servers
n
Platform Management
UV1 V
DD1
SENSE1
LTC4222
GATE1
INTV
CC
ADR2
ADR1
NC
ADR0
CONFIG
SOURCE1
UV2 V
DD2
12V
7.4A
3.3V
150mA
AUXPGOOD
12PGOOD
SENSE2
GATE2 SOURCE2
OV1
OV2
ALERT
SCL
SDA
ON
FB1
ADIN1
TIMER
GPIO1
EN1
SS
10
68nF
6m
Si7336ADP
10.2k
3.57k
10k
4222 TA01a
0.1礔
34k
1.02k
3.4k
GND
ALERT
SCL
ON
SDA
12V
ADIN2
FB2
GPIO2
EN2
0.1礔
10
300m
Si1046R
4.99k
3.57k
10k
0.1礔
6.55k
1.02k
3.4k
3.3V
PLUG-IN
CARD
BACKPLANE
1礔
10nF
Start-Up Waveform with Sequencing
V
OUT2
10V/DIV
V
OUT1
10V/DIV
GPIO
PGOOD
10V/DIV
V
IN1/2
10V/DIV
4222 TA01b
50ms/DIV
CONTACT
BOUNCE
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and Hot
Swap is a trademark of Linear Technology Corporation. All other trademarks are the property of
their respective owners. Protected by U.S. Patents including 7330065.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC4222CUH#PBF | 功能描述:IC CTRLR DUAL HOT SWAP 32-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內部開關:無 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 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4222CUH#TRPBF | 功能描述:IC CTRLR DUAL HOT SWAP 32-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內部開關:無 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 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產品目錄頁面:1423 (CN2011-ZH PDF) |
| LTC4222CUH-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Hot Swap Controller with I2C Compatible Monitoring |
| LTC4222CUH-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Hot Swap Controller with I2C Compatible Monitoring |
| LTC4222IG#PBF | 功能描述:IC CTRLR DUAL HOT SWAP 36-SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:119 系列:- 類型:熱交換控制器 應用:通用型，PCI Express? 內部開關:無 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 供應商設備封裝:80-TQFP（12x12） 包裝:托盤 產品目錄頁面:1423 (CN2011-ZH PDF) |
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