LTC1420IGNPBF, LTC1420IGW, LTC1421-2.5 Selling Leads, Datasheet
MFG:LT Package Cooled:SSOP28 D/C:2009+
LTC1420IGNPBF, LTC1420IGW, LTC1421-2.5 Datasheet download
Part Number: LTC1420IGNPBF
MFG: LT
Package Cooled: SSOP28
D/C: 2009+
LTC1420IGNPBF, LTC1420IGW, LTC1421-2.5
- Table of contents:
Info of LTC1420IGNPBF
Info of LTC1420IGW
Info of LTC1421-2.5
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About LTC0157
PDF/DataSheet Download
Datasheet: LTC0157
File Size: 163926 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About LTC0157
PDF/DataSheet Download
Datasheet: LTC0157
File Size: 163926 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
About LTC1421-2.5
PDF/DataSheet Download
Datasheet: LTC1421-2.5
File Size: 475992 KB
Manufacturer: LINER [Linear Technology]
Download : Click here to Download
LTC1421-2.5 General Description
The LTC®1421/LTC1421-2.5 are Hot SwapTM controllers that allow a board to be safely inserted and removed from live backplane. Using external N-channel pass transistors, the board supply voltages can be ramped up at a programmable rate. Two high side switch drivers control the Nchannel gates for supply voltages ranging from 3V to A programmable electronic circuit breaker protects against shorts. Warning signals indicate that the circuit breaker has tripped, a power failure has occurred or that the switch drivers are turned off.
The reset output can be used generate a system reset when the power cycles or a occurs. The two connect inputs can be used with staggered connector pins to indicate board insertion or removal. The power-on reset input can be used to cycle board power or clear the circuit breaker. The trip point of the ground sense comparator is set 0.1V for LTC1421 and 2.5V for LTC1421-2.5.
The LTC1421/LTC1421-2.5 are available in 24-pin SO SSOP packages.
LTC1421-2.5 Maximum Ratings
Supply Voltage (VCCLO, VCCHI, AUXVCC) .............. 13.2V
Input Voltage (Analog Pins) ..... 0.3V to (VCCHI + 0.3V)
Input Voltage (Digital Pins) ................... 0.3V to 13.2V
Output Voltage (Digital Pins) .. 0.3V to (VCCLO + 0.3V)
Output Voltage (CPON) ......... 13.2V to (VCCLO + 0.3V)
Output Voltage (VOUTLO, VOUTHI) ........... 0.3V to 13.2V
Output Voltage (GATELO, GATEHI) ........... 0.3V to 20V
Operating Temperature Range .................... 0°C to 70°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
Input Voltage (Analog Pins) ..... 0.3V to (VCCHI + 0.3V)
Input Voltage (Digital Pins) ................... 0.3V to 13.2V
Output Voltage (Digital Pins) .. 0.3V to (VCCLO + 0.3V)
Output Voltage (CPON) ......... 13.2V to (VCCLO + 0.3V)
Output Voltage (VOUTLO, VOUTHI) ........... 0.3V to 13.2V
Output Voltage (GATELO, GATEHI) ........... 0.3V to 20V
Operating Temperature Range .................... 0°C to 70°C
Storage Temperature Range ................ 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
LTC1421-2.5 Features
Allows Safe Board Insertion and Removal from a Live Backplane
System Reset and Power Good Control Outputs
Programmable Electronic Circuit Breaker
User Programmable Supply Voltage Power-Up Rate
High Side Driver for Two External N-Channels
Connection Inputs Detect Board Insertion or Removal
Undervoltage Lockout
Power-On Reset Input
System Reset and Power Good Control Outputs
Programmable Electronic Circuit Breaker
User Programmable Supply Voltage Power-Up Rate
High Side Driver for Two External N-Channels
Connection Inputs Detect Board Insertion or Removal
Undervoltage Lockout
Power-On Reset Input
LTC1421-2.5 Typical Application
Hot Board Insertion
Electronic Circuit Breaker
Electronic Circuit Breaker
LTC1421-2.5 Connection Diagram
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