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LTC4260

Features: Allows Safe Insertion into Live Backplane 8-Bit ADC Monitors Current and Voltage I2CTM/SMBus Interface Wide Operating Voltage Range: 8.5V to 80V High Side Drive for External N-Channel MOSFET Input Overvoltage/Undervoltage Protection Optional Latchoff or Autoretry After Faults Alerts Hos...

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SeekIC No. : 004402532 Detail

LTC4260: Features: Allows Safe Insertion into Live Backplane 8-Bit ADC Monitors Current and Voltage I2CTM/SMBus Interface Wide Operating Voltage Range: 8.5V to 80V High Side Drive for External N-Channel MOS...

LTC4260 Data Sheet

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Part Number:
LTC4260
Supply Ability:
5000

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

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Product Details

Description



Features:

Allows Safe Insertion into Live Backplane
8-Bit ADC Monitors Current and Voltage
I2CTM/SMBus Interface
Wide Operating Voltage Range: 8.5V to 80V
High Side Drive for External N-Channel MOSFET
Input Overvoltage/Undervoltage Protection
Optional Latchoff or Autoretry After Faults
Alerts Host After Faults
Foldback Current Limiting
Available in 24-Lead SO, 24-Lead Narrow SSOP and 32-Lead (5mm * 5mm) QFN Packages


Application

Electronic Circuit Breakers
Live Board Insertion
Computers, Servers


Pinout

Connection Diagram


Specifications

Supply Voltages (VDD) .......................... 0.3V to 100V
Input Voltages
SENSE .............................. VDD 10V or 0.3V to VDD
SOURCE ............................. GATE 5V to GATE + 0.3V
BD_PRST, FB, ON, OV, UV ...................... 0.3V to 12V
ADR0-ADR2, TIMER, ADIN ..... .0.3V to INTVCC + 0.3V
SCL, SDAI ............................................. 0.3V to 6.5V
Output Voltages
GPIO ................................................... 0.3V to 100V
GATE (Note 3) ..................................... 0.3V to 100V
ALERT, SDAO ........................................ 0.3V to 6.5V
Supply Voltage (INTVCC) ...................... 0.3V to 6.2V
Operating Temperature Range
LTC4260C ............................................. 0°C to 70°C
LTC4260I.......................................... 40°C to 85°C
Storage Temperature Range
GN, SW Packages ........................... 65°C to 150°C
UH Package .................................... 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
GN, SW Packages Only..................................... 300°C


Description

The LTC4260 Hot SwapTM controller allows a board to be safely inserted and removed from a live backplane. Using an external N-channel pass transistor, the board supply voltage can be ramped up at an adjustable rate. An I2C interface and onboard ADC allow monitoring of board current, voltage and fault status.

The LTC4260 features adjustable analog foldback current limit with latch off or automatic restart after the LTC4260 remains in current limit beyond an adjustable time-out delay.

The controller LTC4260 has additional features to interrupt the host when a fault has occurred, notify when output power is good, detect insertion of a load card and power-up in either the on or off state.




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