LTC4449
14
4449fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2010
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 ≤ V
CC
≤ 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 ≤ V
CC
≤ 13.5V, 3A Peak
Pull-Up/0.55 Peak Pull-Down
LTC4446 High Voltage Synchronous N-Channel MOSFET Driver without
Shoot-Through protection
Up to 100V Supply Voltage, 7.2V ≤ V
CC
≤ 13.5V, 3A Peak Pull-
Up/0.55 Peak Pull-Down
LTC4440/LTC4440-5 High Speed, High Voltage High Side Gate Driver Up to 80V Supply Voltage, 8V ≤ V
CC
≤ 15V, 2.4A Peak Pull-
Up/1.5 Peak Pull-Down
LTC4441/LTC4441-1 N-Channel MOSFET Gate Driver Up to 25V Supply Voltage, 5V ≤ V
CC
≤ 25V, 6A Peak Output
Current
VINSNS
V
CC
FREQ
FB2
I
LIM2
FB1
COMP1,2
SS1,2
IN
V
LOGIC
V
CC
BOOST
GND
TG
TS
BG
RUN1,2
I
LIM1
ISNS1P
ISNS1N
ISNS2N
ISNS2P
LTC3860
PWM1
LTC4449
V
IN
V
IN
SW1
0.3µH
SGND CLKIN
VSNSOUT
VSNSN
VSNSP
PWM2
PWM2
PWM1
470µF
1µF
0.22µF
0.22µF
TG1
BG1
V
CC
V
CC
0.22µF
100pF
1nF
0.1µF
220pF
12.7k
220
50k
2.32k
2.32k
20k
20k
33pF
V
OUT
V
IN
V
CC
IN
V
LOGIC
V
CC
BOOST
GND
TG
TS
BG
LTC4449
SW2
0.3µH
0.22µF
TG2
BG2
4449 TA03
330µF
s4
V
OUT
1.2V
50A
I
AVG
TYPICAL APPLICATION
