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LT4363MPMS-2#PBF

Description
IC SURGE STOPPER HV 12MSOP
CategoryCircuit protection   
File Size386KB,8 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
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LT4363MPMS-2#PBF Overview

IC SURGE STOPPER HV 12MSOP

LT4363MPMS-2#PBF Parametric

Parameter NameAttribute value
电压 - 箝位27V, adjustable
technologyexternal switch
Number of circuits1
applicationAutomotive grade
Installation typesurface mount
Package/casing12-TSSOP (0.118", 3.00mm wide)
Supplier device packaging12-MSOP
Voltage - working4 ~ 80V
DEMO MANUAL DC1935A
LT4363-1/LT4363-2
High Voltage Surge Stopper
with Current Limit
DESCRIPTION
Demonstration Circuit 1935A showcases the LT
®
4363 surge
stopper in a 12V, 2A application. Inputs of up to 80VDC
and 1ms transients of up to 250V are limited to 16.3V
at the output. The MOSFET is protected against output
overloads by current limiting. Sustained overvoltage or
overcurrent conditions cause the LT4363 to turn off after a
timer delay. The LT4363-1 latches off and is reset by pulling
SHDN
low for at least 100μs. The LT4363-2 automatically
retries after a cool down delay; retry is inhibited if OV is
higher than 1.275V.
By removing 0Ω jumpers R1C and R4C, the operation may
be modified for 28V systems with an output regulation
point of 34.6V in overvoltage conditions.
Design files for this circuit board are available at
http://www.linear.com/demo
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.
PERFORMANCE SUMMARY
PARAMETER
Input Supply
Operating
DC Survival
T
A
= 25°C, R1C = R4C = 0Ω (As Shipped)
MIN
5.7
80
250
15.7
5.2
14.7
2.0
16.3
5.6
15.5
2.5
TYP
28
17.0
5.7
16.2
3.1
MAX
31.6
TYP
12
MAX
14.7
UNITS
V
V
V
V
V
V
A
UNITS
V
V
V
34.6
11.9
33.3
2.6
35.9
12.4
34.9
3.1
V
V
V
A
CONDITIONS
1ms Transient Survival
Output Regulation Voltage
Undervoltage Threshold
Retry Inhibit Threshold
Current Limit
T
A
= 25°C, R1C = R4C = Open (Optional Field Change)
PARAMETER
Input Supply
CONDITIONS
Operating
DC Survival
1ms Transient Survival
Output Regulation Voltage
Undervoltage Threshold
Retry Inhibit Threshold
Current Limit
MIN
12.4
80
250
33.2
11.2
31.6
2.0
dc1935af
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