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參數資料
| 型號： | LT4356MPS-2#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-16 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 214K |
| 代理商： | LT4356MPS-2#TR |
LT4356MP-1/LT4356MP-2
1
4356mp12fa
APPLICATIONS
FEATURES
DESCRIPTION
Surge Stopper
The LT4356 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 LT4356MP 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 condition, 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. After a cooldown period, the GATE
pin pulls up turning on the MOSFET again.
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. A shutdown pin reduces the quiescent current
to less than 7μA for the LT4356-1 during shutdown. The
LT4356-2 differs from the LT4356-1 during shutdown by
reducing the quiescent current to 60μA and keeping alive
the auxiliary amplier for uses such as an undervoltage
lockout or always-on regulator.
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, LT4356-1
n Adjustable Fault Timer
n Controls N-channel MOSFET
n Shutdown Pin Withstands –60V to 100V
n Fault Output Indication
n Guaranteed Operation –55°C to 125°C
n Auxiliary Amplier for Level Detection Comparator or
Linear Regulator Controller
n Available in 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
4356mp12 TA01
LT4356S
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
4356mp12 TA01b
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. Hot Swap, No RSENSE and ThinSOT are trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
相關PDF資料 |
PDF描述 |
|---|---|
| LT4356MPS-2 | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| LT4356MPMS-1 | SPECIALTY ANALOG CIRCUIT, PDSO10 |
| LT4356MPMS-1#TR | SPECIALTY ANALOG CIRCUIT, PDSO10 |
| LT505-CHIP | AUDIO AMPLIFIER, UUC8 |
| LT505-PLID | AUDIO AMPLIFIER, PDSO8 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| LT4356MPS-2TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Surge Stopper |
| LT4356MPS-3#PBF | 功能描述:SURGE STOPPER SMD 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 |
| LT4356MPS-3#TRPBF | 功能描述:SURGE STOPPER SMD 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 |
| LT4363 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Voltage Surge |
| LT4363-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Ideal Diode Controller with Reverse Input Protection |
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