LTC3703IGN Datasheet, PDF (34/34 Pages) Linear Integrated Systems – 100V Synchronous Switching Regulator

LTC3703
Typical Application
12V to 24V/5A Synchronous Boost Converter
0.1µF
R1
113k
1%
10k
R2
3.92k
1%
1
R_SET 30.1k ₂
3
C_C1
100pF
4
R_MAX 15k ₅
16
MODE/SYNC V_IN
15
f_SET
BOOST
LTC3703
COMP
TG ¹⁴
13
FB
SW
I_MAX
12
V_CC
6
11
C_SS
INV
DRV_CC
0.1F
7
RUN/SS
10
BG
8
GND
9
BGRTN
+ _22µF
25V
D_B
CMDSH-3
C_B
0.1µF
B240A
M1
Si7892DP
R_F 10Ω
C_DRVCC
10µF
C_VCC
1µF
M2
Si7892DP
C_OUT +
220µF
35V
×3
L1
3.3µH
C_IN +
100µF
16V
V_OUT
24V
C_OUT2 5A
10µF
50V
X5R
×2
V_IN
10V TO 15V
3703 TA03
L1: VISHAY IHLPSOSOEZ
C_IN: OSCON 20SP180M
C_OUT1: SANYO 35MV220AX
C_OUT2: UNITED CHEMICON
NTS60X5R1H106MT
Related Parts
PART NUMBER
LT^®1074HV/LT1076HV
LT1339
LTC1702A
LTC1735
LTC1778
LT1956
LT3010
LT3430/LT3431
LT3433
LTC3703-5
LT3800
DESCRIPTION
Monolithic 5A/2A Step-Down DC/DC Converters
High Power Synchronous DC/DC Controller
Dual, 2-Phase Synchronous DC/DC Controller
Synchronous Step-Down DC/DC Controller
No R_SENSE™ Synchronous DC/DC Controller
Monolithic 1.5A, 500kHz Step-Down Regulator
50mA, 3V to 80V Linear Regulator
Monolithic 3A, 200kHz/500kHz Step-Down Regulator
Monolithic Step-Up/Step-Down DC/DC Converter
60V Synchronous DC/DC Controller
60V Synchronous DC/DC Controller
COMMENTS
V_IN up to 60V, TO-220 and DD Packages
V_IN up to 60V, Drivers 10,000pF Gate Capacitance, I_OUT ≤ 20A
550kHz Operation, No R_SENSE, 3V ≤ V_IN ≤ 7V, I_OUT ≤ 20A
3.5V ≤ V_IN ≤ 36V, 0.8V ≤ V_OUT ≤6V, Current Mode, I_OUT ≤ 20A
4V ≤ V_IN ≤ 36V, Fast Transient Response, Current Mode, I_OUT ≤ 20A
5.5V ≤ V_IN ≤ 60V, 2.5mA Supply Current, 16-Pin SSOP
1.275V ≤ V_OUT ≤ 60V, No Protection Diode Required, 8-Lead MSOP
5.5V ≤ V_IN ≤ 60V, 0.1Ω Saturation Switch, 16-Pin SSOP
4V ≤ V_IN ≤ 60V, 500mA Switch, Automatic Step-Up/Step-Down,
Single Inductor
4V ≤ V_IN ≤ 60V, Voltage Mode, 1Ω Logic-Level MOSFET Drivers
4V ≤ V_IN ≤ 60V, Current Mode, 1.23V ≤ V_OUT ≤ 36V
34 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3703fc
LT 0512 REV C • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2003