LTC4449 datasheet(14/14 Pages) LINER

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LTC4449

4449fa

Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

LT 0610 REV A • PRINTED IN USA

RELATED PARTS

PART NUMBER

DESCRIPTION

COMMENTS

LTC4442/LTC4442-1 High Speed Synchronous N-Channel MOSFET Driver

Up to 38V Supply Voltage, 6V ≤ VCC ≤ 9.5V, 2.4A Peak Pull-

Up/5A Peak Pull-Down

LTC4444/LTC4444-5 High Voltage Synchronous N-Channel MOSFET Driver with

Shoot-Through Protection

Up to 100V Supply Voltage, 4.5V/7.2V ≤ VCC ≤ 13.5V, 3A Peak

Pull-Up/0.55Ω Peak Pull-Down

LTC4446

High Voltage Synchronous N-Channel MOSFET Driver without

Shoot-Through protection

Up to 100V Supply Voltage, 7.2V ≤ VCC ≤ 13.5V, 3A Peak Pull-

Up/0.55Ω Peak Pull-Down

LTC4440/LTC4440-5 High Speed, High Voltage High Side Gate Driver

Up to 80V Supply Voltage, 8V ≤ VCC ≤ 15V, 2.4A Peak Pull-

Up/1.5Ω Peak Pull-Down

LTC4441/LTC4441-1 N-Channel MOSFET Gate Driver

Up to 25V Supply Voltage, 5V ≤ VCC ≤ 25V, 6A Peak Output

Current

VINSNS

VCC

FREQ

FB2

ILIM2

FB1

COMP1,2

SS1,2

VLOGIC

VCC

BOOST

GND

RUN1,2

ILIM1

ISNS1P

ISNS1N

ISNS2N

ISNS2P

LTC3860

PWM1

LTC4449

VIN

SW1

0.3μH

SGND

CLKIN

VSNSOUT

VSNSN

VSNSP

PWM2

PWM1

470μF

1μF

0.22μF

TG1

BG1

VCC

0.22μF

100pF

1nF

0.1μF

220pF

12.7k

220Ω

50k

2.32k

20k

33pF

VOUT

VIN

VCC

VLOGIC

VCC

BOOST

GND

LTC4449

SW2

0.3μH

0.22μF

TG2

BG2

4449 TA03

330μF

VOUT

1.2V

50A

IAVG

TYPICAL APPLICATION

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