LTC4442/LTC4442-1
14
4442fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2007
LT 0410 REV B • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LTC4449 High Speed Synchronous N-Channel MOSFET Driver Up to 38V Supply Voltage, 4.5V ≤ V
CC
≤ 6.5V, 3.2A Peak Pull-Up/
4.5A 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
LTC1154 High Side Micropower MOSFET Driver Up to 18V Supply Voltage, 85µA Quiescent Current, H-Grade Available
TYPICAL APPLICATION
TG
BOOST
D2
CMDSH3
C5
0.22μF
M1
RJK0305
×2
330μF
×6
M2
RJK0301
×2
V
OUT
4442 TA02
L1
0.3μH
R3
C6
GND
TS
V
LOGIC
V
CC
LTC4442-1
BGIN
C4
C3
R2
+
+
1μF
C2
C1
1k
R
SENSE
R
CM
D1
R1
LOAD
RTN
V
12SEN
SDATA
SCLK
SMB_AL_N
PWRGD
OUTEN
SYNC_IN
SYNC_OUT
FAULT1
FAULT2
I
OUT/ISH
I
SH_GND
V
CC
PMBus
INTERFACE
V
D33
V
D25
7V V
DRIVE
12V
5V
GND
LTC7510
PWM
TEMPSEN
RESET_N
I
SENN
I
SENP
V
SENP
V
SENN
SADDR
V
SET
FSET
V
TRIM
I
MAXSET
1k
1k
1k
1k
POWER
MANAGEMENT
INTERFACE
MULTIPHASE
INTERFACE
FAULT
OUTPUTS
I-SHARE
LTC7510/LTC4442-1 12V to 1.5V/30A Digital Step-Down DC/DC Converter with PMBus Serial Interface
