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LTC1422CS8

Description
1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
CategoryPower/power management    The power supply circuit   
File Size219KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Download Datasheet Parametric Compare View All

LTC1422CS8 Overview

1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8

LTC1422CS8 Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?incompatible
MakerLinear ( ADI )
Parts packaging codeSOIC
package instructionSOP, SOP8,.25
Contacts8
Manufacturer packaging codeS8
Reach Compliance Codenot_compliant
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
power supply5 V
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply current (Isup)1 mA
Maximum supply voltage (Vsup)12 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3.9 mm
LTC1422
Hot Swap Controller
FEATURES
s
s
s
s
s
s
s
s
s
DESCRIPTIO
Allows Safe Board Insertion and Removal
from a Live Backplane
System Reset Output with Programmable Delay
Programmable Electronic Circuit Breaker
User-Programmable Supply Voltage Power-Up Rate
High Side Driver for an External N-Channel FET
Controls Supply Voltages from 2.7V to 12V
Undervoltage Lockout
Soft Reset Input
Glitch Filter on RESET
The LTC
®
1422 is an 8-pin Hot Swap
TM
controller that
allows a board to be safely inserted and removed from a
live backplane. Using an external N-channel pass transis-
tor, the board supply voltage can be ramped up at a
programmable rate. A high side switch driver controls the
N-channel gate for supply voltages ranging from 2.7V to
12V.
A programmable electronic circuit breaker protects
against shorts. The RESET output can be used to generate
a system reset when the supply voltage falls below a
programmable voltage. The ON pin can be used to cycle
the board power or to generate a soft reset.
The LTC1422 is available in 8-pin PDIP and SO packages.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Hot Swap is a trademark of Linear Technology Corporation.
APPLICATIO S
s
s
Hot Board Insertion
Electronic Circuit Breaker
TYPICAL APPLICATIO
5V Hot Swap
Q1
R1
0.005Ω MTB50N06V
V
CC
R2
10Ω
5%
R3
6.81k
1%
C1
0.1µF
5
R4
2.43k
1%
V
OUT
5V
C
LOAD
+
CONNECTOR 2
CONNECTOR 1
8
2
V
CC
ON
7
6
FB
SENSE GATE
ON/RESET
LTC1422
RESET
TIMER
3
GND
C2
0.33µF
4
1
µP
RESET
GND
1422 TA01
BACKPLANE
PLUG-IN CARD
U
U
U
1

LTC1422CS8 Related Products

LTC1422CS8 LTC1422IS8 LTC1422IN8 LTC1422I LTC1422CN8 LTC1422C LTC1422
Description 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
Number of channels 1 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1 1
Number of terminals 8 8 8 8 8 8 8
Maximum operating temperature 70 °C 85 °C 85 °C 85 Cel 70 °C 85 Cel 85 Cel
Minimum operating temperature - -40 °C -40 °C -40 Cel - -40 Cel -40 Cel
surface mount YES YES NO Yes NO Yes Yes
Temperature level COMMERCIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL COMMERCIAL INDUSTRIAL INDUSTRIAL
Terminal form GULL WING GULL WING THROUGH-HOLE GULL WING THROUGH-HOLE GULL WING GULL WING
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Brand Name Linear Technology Linear Technology Linear Technology - Linear Technology - -
Is it Rohs certified? incompatible incompatible incompatible - incompatible - -
Maker Linear ( ADI ) Linear ( ADI ) Linear ( ADI ) - Linear ( ADI ) - -
Parts packaging code SOIC SOIC DIP - DIP - -
package instruction SOP, SOP8,.25 SOP, SOP8,.25 DIP, DIP8,.3 - DIP, DIP8,.3 - -
Contacts 8 8 8 - 8 - -
Manufacturer packaging code S8 S8 N - N - -
Reach Compliance Code not_compliant not_compliant _compli - not_compliant - -
ECCN code EAR99 EAR99 EAR99 - EAR99 - -
Adjustable threshold NO NO NO - NO - -
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT - -
JESD-30 code R-PDSO-G8 R-PDSO-G8 R-PDIP-T8 - R-PDIP-T8 - -
JESD-609 code e0 e0 e0 - e0 - -
Humidity sensitivity level 1 1 1 - 1 - -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY - -
encapsulated code SOP SOP DIP - DIP - -
Encapsulate equivalent code SOP8,.25 SOP8,.25 DIP8,.3 - DIP8,.3 - -
Package shape RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR - -
Package form SMALL OUTLINE SMALL OUTLINE IN-LINE - IN-LINE - -
Peak Reflow Temperature (Celsius) 235 235 NOT SPECIFIED - NOT SPECIFIED - -
power supply 5 V 5 V 5 V - 5 V - -
Certification status Not Qualified Not Qualified Not Qualified - Not Qualified - -
Maximum seat height 1.75 mm 1.75 mm 3.937 mm - 3.937 mm - -
Maximum supply current (Isup) 1 mA 1 mA 1 mA - 1 mA - -
Maximum supply voltage (Vsup) 12 V 12 V 12 V - 12 V - -
Minimum supply voltage (Vsup) 2.7 V 2.7 V 2.7 V - 2.7 V - -
Nominal supply voltage (Vsup) 5 V 5 V 5 V - 5 V - -
technology CMOS CMOS CMOS - CMOS - -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn/Pb) - -
Terminal pitch 1.27 mm 1.27 mm 2.54 mm - 2.54 mm - -
Maximum time at peak reflow temperature 20 20 NOT SPECIFIED - NOT SPECIFIED - -
width 3.9 mm 3.9 mm 7.62 mm - 7.62 mm - -
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