Datasheet

LTC3703
34
3703fc
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2003
LT 0512 REV C • PRINTED IN USA
relaTeD parTs
Typical applicaTion
12V to 24V/5A Synchronous Boost Converter
PART NUMBER DESCRIPTION COMMENTS
LT
®
1074HV/LT1076HV Monolithic 5A/2A Step-Down DC/DC Converters V
IN
up to 60V, TO-220 and DD Packages
LT1339 High Power Synchronous DC/DC Controller V
IN
up to 60V, Drivers 10,000pF Gate Capacitance, I
OUT
≤ 20A
LTC1702A Dual, 2-Phase Synchronous DC/DC Controller 550kHz Operation, No R
SENSE
, 3V ≤ V
IN
≤ 7V, I
OUT
≤ 20A
LTC1735 Synchronous Step-Down DC/DC Controller 3.5V ≤ V
IN
≤ 36V, 0.8V ≤ V
OUT
≤6V, Current Mode, I
OUT
≤ 20A
LTC1778 No R
SENSE
™ Synchronous DC/DC Controller 4V ≤ V
IN
≤ 36V, Fast Transient Response, Current Mode, I
OUT
≤ 20A
LT1956 Monolithic 1.5A, 500kHz Step-Down Regulator 5.5V ≤ V
IN
≤ 60V, 2.5mA Supply Current, 16-Pin SSOP
LT3010 50mA, 3V to 80V Linear Regulator 1.275V ≤ V
OUT
≤ 60V, No Protection Diode Required, 8-Lead MSOP
LT3430/LT3431 Monolithic 3A, 200kHz/500kHz Step-Down Regulator 5.5V ≤ V
IN
≤ 60V, 0.1Ω Saturation Switch, 16-Pin SSOP
LT3433 Monolithic Step-Up/Step-Down DC/DC Converter 4V ≤ V
IN
≤ 60V, 500mA Switch, Automatic Step-Up/Step-Down,
Single Inductor
LTC3703-5 60V Synchronous DC/DC Controller 4V ≤ V
IN
≤ 60V, Voltage Mode, 1Ω Logic-Level MOSFET Drivers
LT3800 60V Synchronous DC/DC Controller 4V ≤ V
IN
≤ 60V, Current Mode, 1.23V ≤ V
OUT
≤ 36V
LTC3703
MODE/SYNC
f
SET
COMP
FB
I
MAX
INV
RUN/SS
GND
V
IN
BOOST
TG
SW
V
CC
DRV
CC
BG
BGRTN
C
OUT
220µF
35V
×3
C
OUT2
10µF
50V
X5R
×2
R
MAX
15k
C
C1
100pF
0.1µF
R2
3.92k
1%
R
F
10Ω
10k
R1
113k
1%
R
SET
30.1k
C
B
0.1µF
M2
Si7892DP
L1
3.3µH
B240A
V
IN
10V TO 15V
V
OUT
24V
5A
C
IN
100µF
16V
D
B
CMDSH-3
C
SS
0.1F
3703 TA03
C
DRVCC
10µF
C
VCC
1µF
+
+
+
M1
Si7892DP
22µF
25V
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
L1: VISHAY IHLPSOSOEZ
C
IN
: OSCON 20SP180M
C
OUT1
: SANYO 35MV220AX
C
OUT2
: UNITED CHEMICON
NTS60X5R1H106MT