LTC3703-5_15 Datasheet, PDF (32/32 Pages) Linear Technology – 60V Synchronous Switching Regulator Controller

LTC3703-5
TYPICAL APPLICATIO
5V to 24V/5A Synchronous Boost Converter
0.1µF
R1
113k
1%
10k
R2
3.92k
1%
1
16
MODE/SYNC V_IN
R_SET 25k ₂
FSET
15
BOOST
C_C1
100pF
3
COMP
4
FB
14
TG
13
SW
R_MAX 15k ₅ LTC3703-5 ₁₂
I_MAX
V_CC
C_SS
0.1µF
6
INV
7
RUN/SS
11
DRV_CC
10
BG
8
GND
9
BGRTN
+ _22µF
25V
D_B
CMDSH-3
C_B
0.1µF
M1
Si7390DP
R_F
10Ω
C_DRVCC
10µF
C_VCC
1µF
M2
Si7892DP
C_OUT +
220µF
30V
×3
MBRS140T3
L1
3.3µH
C_IN +
100µF
20V
V_OUT
24V
5A
V_IN
4.5V TO 15V
37035 TA03
RELATED PARTS
PART NUMBER
LT1074HV/LT1076HV
LT1339
LTC1702A
LTC1735
LTC1778
LT1956
LT3010
LT3430/LT3431
LT3433
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
LTC^®3703
LT3800
100V 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
V_IN up to 100V, 9.3V to 15V Gate Drive Supply
4V ≤ V_IN ≤ 60V, Current Mode, 1.23V ≤ V_OUT ≤ 36V
32 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
37035fa
LT/LT 0505 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2004