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Part Number: LTC4441-1
Description: The LTC®4441/LTC4441-1 is an N-channel MOSFET gate driver that can supply up to 6A of peak output ...
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LTC4441-1
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Suppliers
DataSheet
General Description
LTC4441-1 General Description
The LTC®4441/LTC4441-1 is an N-channel MOSFET gate driver that can supply up to 6A of peak output current. The chip is designed to operate with a supply voltage of up to 25V and has an adjustable linear regulator for the gate drive. The gate drive voltage can be programmed between 5V and 8V.
The LTC4441/LTC4441-1 features a logic threshold driver input. This input can be driven below ground or above the driver supply. A dual function control input is provided to disable the driver or to force the chip into shutdown mode with <12A of supply current. Undervoltage lockout and overtemperature protection circuits will disable the driver output when activated. The LTC4441 also comes with an open-drain output that provides adjustable leading edge blanking to prevent ringing when sensing the source current of the power MOSFETs.
The LTC4441 is available in a thermally enhanced 10-lead MSOP package. The LTC4441-1 is the SO-8 version without the blanking function.
LTC4441-1 Maximum Ratings
Supply Voltage
VIN ................................................................... .28V
DRVCC ................................................................ .9V
Input Voltage
IN .........................................................15V to 15V
FB, EN/SHDN ........................0.3V to DRVCC + 0.3V
RBLANK, BLANK (LTC4441 Only) .............0.3V to 5V
OUT Output Current ............................................100mA
Operating Temperature Range (Note 2) .. 40 to 85
Junction Temperature (Note 8) ............................ 125
Storage Temperature Range ................. 65 to 150
Lead Temperature (Soldering, 10 sec).................. 300
VIN ................................................................... .28V
DRVCC ................................................................ .9V
Input Voltage
IN .........................................................15V to 15V
FB, EN/SHDN ........................0.3V to DRVCC + 0.3V
RBLANK, BLANK (LTC4441 Only) .............0.3V to 5V
OUT Output Current ............................................100mA
Operating Temperature Range (Note 2) .. 40 to 85
Junction Temperature (Note 8) ............................ 125
Storage Temperature Range ................. 65 to 150
Lead Temperature (Soldering, 10 sec).................. 300
LTC4441-1 Features
` 6A Peak Output Current
` Wide VIN Supply Range: 5V to 25V
` Adjustable Gate Drive Voltage: 5V to 8V
` Logic Input can be Driven Below Ground
` 30ns Propagation Delay
` Supply Independent CMOS/TTL Input Thresholds
` Undervoltage Lockout
` Low Shutdown Current: <12A
` Overtemperature Protection
` Adjustable Blanking Time for MOSFET's Current Sense Signal (LTC4441)
` Available in SO-8 and 10-Lead MSOP (Exposed Pad) Packages
` Wide VIN Supply Range: 5V to 25V
` Adjustable Gate Drive Voltage: 5V to 8V
` Logic Input can be Driven Below Ground
` 30ns Propagation Delay
` Supply Independent CMOS/TTL Input Thresholds
` Undervoltage Lockout
` Low Shutdown Current: <12A
` Overtemperature Protection
` Adjustable Blanking Time for MOSFET's Current Sense Signal (LTC4441)
` Available in SO-8 and 10-Lead MSOP (Exposed Pad) Packages
LTC4441-1 Typical Application
· Power Supplies
· Motor/Relay Control
· Line Drivers
· Charge Pumps
· Motor/Relay Control
· Line Drivers
· Charge Pumps
LTC4441-1 Connection Diagram
LTC4441-1
PDF/DataSheet Download
- Datasheet: LTC4441-1
- File Size: 155648 KB
- Manufacturer: Linear
- Click here to Download
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