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LTC4367CDD#TRPBF

产品描述100V Overvoltage, Undervoltage and Reverse Supply Protection Controller
产品类别电源/电源管理    电源电路   
文件大小856KB,共22页
制造商ADI(亚德诺半导体)
官网地址https://www.analog.com
标准
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LTC4367CDD#TRPBF概述

100V Overvoltage, Undervoltage and Reverse Supply Protection Controller

LTC4367CDD#TRPBF规格参数

参数名称属性值
Brand NameAnalog Devices Inc
是否无铅含铅
是否Rohs认证符合
Objectid4002726723
针数8
制造商包装代码05-08-1698
Reach Compliance Codecompliant
Country Of OriginMalaysia
YTEOL8.5
可调阈值YES
模拟集成电路 - 其他类型POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码S-PDSO-N8
JESD-609代码e3
长度3 mm
湿度敏感等级1
信道数量1
功能数量1
端子数量8
最高工作温度70 °C
最低工作温度
封装主体材料PLASTIC/EPOXY
封装代码HVSON
封装形状SQUARE
封装形式SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度)260
座面最大高度0.8 mm
最大供电电压 (Vsup)60 V
最小供电电压 (Vsup)2.5 V
标称供电电压 (Vsup)5 V
表面贴装YES
温度等级COMMERCIAL
端子面层Matte Tin (Sn) - annealed
端子形式NO LEAD
端子节距0.5 mm
端子位置DUAL
处于峰值回流温度下的最长时间NOT SPECIFIED
宽度3 mm

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FEATURES
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LTC4367
100V Overvoltage,
Undervoltage and Reverse
Supply Protection Controller
DESCRIPTION
The
LTC
®
4367
protects applications where power sup-
ply input voltages may be too high, too low or even
negative. It does this by controlling the gate voltages of
a pair of external N-channel MOSFETs to ensure that the
output stays within a safe operating range.The LTC4367
withstands voltages between –40V and 100V and has an
operating range of 2.5V to 60V, while consuming only
70µA in normal operation.
Two comparator inputs allow configuration of the over-
voltage (OV) and undervoltage (UV) set points using an
external resistive divider. A shutdown pin provides external
control for enabling and disabling the MOSFETs as well
as placing the device in a low current shutdown state. A
fault output indicates that the GATE pin is pulling low when
the part is in shutdown or the input voltage is outside the
UV and OV set points.
The LTC4367 has a 32ms turn-on delay that debounces
live connections and blocks 50Hz to 60Hz AC power. For
fast recovery after faults, the LTC4367-1 has a reduced
turn-on delay of 500µs.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
ThinSOT is a trademark of Analog Devices, Inc. All other trademarks are the property of their
respective owners.
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Wide Operating Voltage Range: 2.5V to 60V
Overvoltage Protection to 100V
Reverse Supply Protection to –40V
LTC4367: Blocks 50Hz and 60Hz AC Power
LTC4367: 32ms Recovery from Fault
LTC4367-1: Fast 500µs Recovery from Fault
No Input Capacitor or TVS Required for Most
Applications
Adjustable Undervoltage and Overvoltage Thresholds
Controls Back-to-Back N-Channel MOSFETs
Low Operating Current: 70µA
Low Shutdown Current: 5µA
8-Pin MSOP and 3mm × 3mm DFN Packages
APPLICATIONS
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Portable Instrumentation
Industrial Automation
Automotive Surge (Load Dump) Protection
Network Equipment
TYPICAL APPLICATION
24V Automotive Application with +100V, –40V Protection
V
IN
24V
Si7942
V
OUT
2A
Load Protected from Reverse and Overvoltage at V
IN
+70V
20V/DIV
OV = 36V
UV = 7V
V
IN
V
IN
464k
SHDN
1500k
UV
121k
OV = 36V
UV = 7V
OV
29.4k
GATE
V
OUT
GND
VALID WINDOW
V
OUT
V
OUT
FAULT
–40V
20V/DIV
V
IN
GND
4367 TA01a
200ms/DIV
4367 TA01b
LTC4367
4367fb
For more information
www.linear.com/LTC4367
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