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LTC1155

Features: `Fully Enhances N-Channel Power MOSFETs`8A Standby Current`85A On Current`Short-Circuit Protection`Wide Power Supply Range: 4.5V to 18V`Controlled Switching On nand OFF Times`No External Charge Pump Components`Replaces P-Channel High Side MOSFETs`Compatible with Standard Logic Families`A...

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SeekIC No. : 004401408 Detail

LTC1155: Features: `Fully Enhances N-Channel Power MOSFETs`8A Standby Current`85A On Current`Short-Circuit Protection`Wide Power Supply Range: 4.5V to 18V`Controlled Switching On nand OFF Times`No External C...

LTC1155 Data Sheet

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Part Number:
LTC1155
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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Upload time: 2024/10/27

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Product Details

Description



Features:

`Fully Enhances N-Channel Power MOSFETs
`8A Standby Current
`85A On Current
`Short-Circuit Protection
`Wide Power Supply Range: 4.5V to 18V
`Controlled Switching On nand OFF Times
`No External Charge Pump Components
`Replaces P-Channel High Side MOSFETs
`Compatible with Standard Logic Families
`Available in 8-Pin SO Package


Application

·Laptop Power Bus Switching
·SCSI Termination Power Switching
· Cellular Phone Power Management
· P-Channel Switch Replacement
·Relay and Solenoid Drivers
·Low Frequency Half H-Bridge
· Motor Speed and Torque Control


Pinout

Connection Diagram


Specifications

Supply Voltage ........................................................ 22V
Input Voltage ...................... (VS +0.3V) to (GND 0.3V)
Gate Voltage .........................(VS +24V) to (GND 0.3V)
Current (Any Pin)................................................... 50mA
Storage Temperature Range ............ 65°C to 150°C
Operating Temperature Range
LTC1155C................................................. 0°C to 70°C
LTC1155I............................................ 40°C to 85°C
LTC1155M........................................ 55°C to 125°C
Lead Temperature Range (Soldering, 10 sec.).... 300°C


Description

The LTC®1155 dual high side gate driver allows using low cost N-channel FETs for high side switching applications. An internal charge pump boosts the gate above the positive rail, fully enhancing an N-channel MOSFET with no external components. Micropower operation, with 8A standby current and 85mA operating current, allows use in virtually all systems with maximum efficiency.

Included on-chip is overcurrent sensing to provide automatic shutdown in case of short circuits. A time delay can be added in series with the current sense to prevent false triggering on high in-rush loads such as capacitors and incandescent lamps.

The LTC1155 operates off of a 4.5V to 18V supply input and safely drives the gates of virtually all FETs. The LTC1155 is well suited for low voltage (battery-powered) applications, particularly where micropower "sleep" operation is required.

The LTC1155 is available in both 8-pin PDIP and 8-pin SO packages.




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