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LTC4440-5

Features: Wide Operating VIN Range: Up to 60V Rugged Architecture Tolerant of 80V VIN Transients Powerful 1.85Ω Driver Pull-Down (with 6V Supply) Powerful 1.1A Peak Current Driver Pull-Up (with 6V Supply) 7ns Fall Time Driving 1000pF Load 10ns Rise Time Driving 1000pF Load Drives Standard T...

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LTC4440-5: Features: Wide Operating VIN Range: Up to 60V Rugged Architecture Tolerant of 80V VIN Transients Powerful 1.85Ω Driver Pull-Down (with 6V Supply) Powerful 1.1A Peak Current Driver Pull-Up (wi...

LTC4440-5 Data Sheet

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Part Number:
LTC4440-5
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:

Wide Operating VIN Range: Up to 60V
Rugged Architecture Tolerant of 80V VIN Transients
Powerful 1.85Ω Driver Pull-Down (with 6V Supply)
Powerful 1.1A Peak Current Driver Pull-Up (with 6V Supply)
7ns Fall Time Driving 1000pF Load
10ns Rise Time Driving 1000pF Load
Drives Standard Threshold MOSFETs
TTL/CMOS Compatible Inputs with Hysteresis
Input Thresholds are Independent of Supply
Undervoltage Lockout
Low Profile (1mm) SOT-23 (ThinSOTTM) and Thermally Enhanced 8-Pin MSOP Packages


Application

Telecommunications Power Systems
Distributed Power Architectures
Server Power Supplies
High Density Power Modules
General Purpose Low-Side Driver


Pinout

Connection Diagram


Specifications

Supply Voltage
VCC ....................................................... 0.3V to 15V
BOOST TS .......................................... 0.3V to 15V
INP Voltage .......................................... 0.3V to 15V
BOOST Voltage (Continuous) ................ 0.3V to 85V
BOOST Voltage (100ms) ....................... 0.3V to 95V
TS Voltage (Continuous) ......................... 5V to 70V
TS Voltage (100ms) ................................ 5V to 80V
Peak Output Current < 1µs (TG) ........................... 4A
Operating Ambient Temperature Range
(Note 2) .......................................... 40°C to 85°C
Junction Temperature (Note 3) ...................... 125°C
Storage Temperature Range ........ 65°C to 150°C
Lead Temperature (Soldering, 10 sec)............ 300°C


Description

The LTC®4440-5 is a high frequency high side N-channel MOSFET gate driver that is designed to operate in applications with VIN voltages up to 60V. The LTC4440-5 can also withstand and continue to function during 80V VIN transients. The powerful driver capability reduces switching losses in MOSFETs with high gate capacitances.

The LTC4440-5's pull-up has a peak output current of 1.1A and its pull-down has an output impedance of 1.85Ω.

The LTC4440-5 features supply independent TTL/CMOS compatible input thresholds with 350mV of hysteresis. The input logic signal is internally level-shifted to the bootstrapped supply, which may function at up to 95V above ground. The LTC4440-5 is optimized for driving (5V) logic level FETs and contains an undervoltage lockout circuit that disables the external MOSFET when activated.

The LTC4440-5 is available in the low profile (1mm) SOT-23 or a thermally enhanced 8-lead MSOP package.




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