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參數資料
| 型號： | LT4356CDE-3 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO12 |
| 封裝： | 4 X 3 MM, PLASTIC, M0-229WGED, DFN-12 |
| 文件頁數： | 1/24頁 |
| 文件大?。?/td> | 231K |
| 代理商： | LT4356CDE-3 |
LT4356-3
1
43563fa
APPLICATIONS
FEATURES
DESCRIPTION
Surge Stopper with
Fault Latchoff
The LT4356-3 surge stopper protects loads from high
voltage transients. It regulates the output during an
overvoltage event, such as load dump in automobiles,
by controlling the gate of an external N-channel MOSFET.
The output is limited to a safe value thereby allowing the
loads to continue functioning. The LT4356-3 also monitors
the voltage drop between the VCC and SNS pins to protect
against overcurrent faults. An internal amplier limits
the current sense voltage to 50mV. In either fault condi-
tion, a timer is started inversely proportional to MOSFET
stress. If the timer expires, the FLT pin pulls low to warn
of an impending power down. If the condition persists,
the MOSFET is turned off, until the SHDN pin pulls low
momentarily.
The auxiliary amplier may be used as a voltage detection
comparator or as a linear regulator controller driving an
external PNP pass transistor.
Back-to-back FETs can be used in lieu of a Schottky diode
for reverse input protection, reducing voltage drop and
power loss. The SHDN input turns off the part, including
the auxiliary amplier, and reduces the quiescent current
to less than 7μA.
n Automotive/Avionic Surge Protection
n Hot Swap/Live Insertion
n High Side Switch for Battery Powered Systems
n Intrinsic Safety Applications
n Stops High Voltage Surges
n Adjustable Output Clamp Voltage
n Overcurrent Protection
n Wide Operation Range: 4V to 80V
n Reverse Input Protection to –60V
n Low 7μA Shutdown Current
n Adjustable Latchoff Fault Timer
n Controls N-channel MOSFET
n Shutdown Pin Withstands –60V to 100V
n Fault Output Indication
n Auxiliary Amplier for Level Detection Comparator or
Linear Regulator Controller
n Available in (4mm × 3mm) 12-Pin DFN,
10-Pin MSOP or 16-Pin SO Packages
4A, 12V Overvoltage Output Regulator
Overvoltage Protector Regulates Output at
27V During Transient
0.1μF
10Ω
10mΩ
IRLR2908
VIN
12V
43563 TA01
LT4356DE-3
GND
TMR
OUT
GATE
SNS
IN+
SHDN
AOUT
FAULT
VOUT
EN
FLT
UNDERVOLTAGE
FB
VCC
DC-DC
CONVERTER
GND
SHDN
VCC
4.99k
383k
100k
102k
100ms/DIV
LT4356-3TA01b
VIN
20V/DIV
VOUT
20V/DIV
80V INPUT SURGE
CTMR = 6.8μF
ILOAD = 500mA
27V ADJUSTABLE CLAMP
12V
TYPICAL APPLICATION
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LT4356CDE-3#PBF | 功能描述:IC SURGE STOPPER W/LATCH 12-DFN RoHS:是 類別:過電壓，電流，溫度裝置 >> 電涌抑制 IC 系列:- 產品培訓模塊:LT4356 Surge Stopper 產品目錄繪圖:LT4356 Output Graph LT4356 Series 10-MSOP 標準包裝:2,500 系列:- 電壓 - 工作:4 ~ 80V 電壓 - 箝位:27V，可調 技術:混合技術 功率（瓦特）:- 電路數:1 應用:自動 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:帶卷 (TR) 配用:DC1018B-C-ND - DEMO BOARD FOR LT4356-3DC1018B-B-ND - DEMO BOARD FOR LT4356-2DC1018B-A-ND - DEMO BOARD FOR LT4356-1 |
| LT4356CDE-3#PBF | 制造商:Linear Technology 功能描述:Hot Swap Controller IC |
| LT4356CDE-3#TRPBF | 功能描述:IC SURGE STOPPER ADJ 12-DFN RoHS:是 類別:過電壓，電流，溫度裝置 >> 電涌抑制 IC 系列:- 產品培訓模塊:LT4356 Surge Stopper 產品目錄繪圖:LT4356 Output Graph LT4356 Series 10-MSOP 標準包裝:2,500 系列:- 電壓 - 工作:4 ~ 80V 電壓 - 箝位:27V，可調 技術:混合技術 功率（瓦特）:- 電路數:1 應用:自動 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:10-MSOP 包裝:帶卷 (TR) 配用:DC1018B-C-ND - DEMO BOARD FOR LT4356-3DC1018B-B-ND - DEMO BOARD FOR LT4356-2DC1018B-A-ND - DEMO BOARD FOR LT4356-1 |
| LT4356CDE-3PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Surge Stopper with Fault Latchoff |
| LT4356CDE-3TR | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Surge Stopper with Fault Latchoff |
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