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LTC1421-2.5

Features: Allows Safe Board Insertion and Removal from a Live Backplane System Reset and Power Good Control OutputsProgrammable Electronic Circuit Breaker User Programmable Supply Voltage Power-Up Rate High Side Driver for Two External N-ChannelsConnection Inputs Detect Board Insertion or Removal ...

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LTC1421-2.5: Features: Allows Safe Board Insertion and Removal from a Live Backplane System Reset and Power Good Control OutputsProgrammable Electronic Circuit Breaker User Programmable Supply Voltage Power-Up R...

LTC1421-2.5 Data Sheet

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Part Number:
LTC1421-2.5
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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


Application

Hot Board Insertion
Electronic Circuit Breaker


Pinout

Connection Diagram


Specifications

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


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.




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