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