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参数资料
| 型号： | LT4356MPS-2 |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封装： | 0.150 INCH, PLASTIC, SOP-16 |
| 文件页数： | 1/24页 |
| 文件大小： | 214K |
| 代理商： | LT4356MPS-2 |
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.
相关PDF资料 |
PDF描述 |
|---|---|
| LT4356MPMS-1 | SPECIALTY ANALOG CIRCUIT, PDSO10 |
| LT4356MPMS-1#TR | SPECIALTY ANALOG CIRCUIT, PDSO10 |
| LT505-CHIP | AUDIO AMPLIFIER, UUC8 |
| LT505-PLID | AUDIO AMPLIFIER, PDSO8 |
| LT505-SLT | AUDIO AMPLIFIER, PDIP8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT4356MPS-2#PBF | 功能描述:IC SURGE STOPPER ADJ 16-SOIC RoHS:是 类别:过电压，电流，温度装置 >> 电涌抑制 IC 系列:- 产品培训模块:LT4356 Surge Stopper 产品目录绘图:LT4356 Output Graph LT4356 Series 10-MSOP 标准包装:2,500 系列:- 电压 - 工作:4 ~ 80V 电压 - 箝位:27V，可调 技术:混合技术 功率（瓦特）:- 电路数:1 应用:自动 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:带卷 (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-2#TR | 制造商:Linear Technology 功能描述:Hot Swap Controller 1-CH 80V 16-Pin SOIC N T/R |
| LT4356MPS-2#TRPBF | 功能描述:IC SURGE STOPPER ADJ 16-SOIC RoHS:是 类别:过电压，电流，温度装置 >> 电涌抑制 IC 系列:- 产品培训模块:LT4356 Surge Stopper 产品目录绘图:LT4356 Output Graph LT4356 Series 10-MSOP 标准包装:2,500 系列:- 电压 - 工作:4 ~ 80V 电压 - 箝位:27V，可调 技术:混合技术 功率（瓦特）:- 电路数:1 应用:自动 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:带卷 (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-2PBF | 制造商:Linear Technology 功能描述:Surge Protect Adj Regulator 4-80V 60uA |
| LT4356MPS-2TR | 制造商:LINER 制造商全称:Linear Technology 功能描述:Surge Stopper |
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