LTC3814-5
30
38145fc
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 0111 REV C • PRINTED IN USA
TYPICAL APPLICATION
24V Input Voltage to 50V/5A
PART NUMBER DESCRIPTION COMMENTS
LTC3786 Low I
Q
Synchronous Boost Controller 2.5V ≤ V
IN
≤ 38V, V
OUT
up to 60V, Fixed Operating Frequency 50kHz to
900kHz, MSOP-16E, 3mm × 3mm QFN-16
LTC3787 2-Phase, Single Output Synchronous Step-Up
Controller
2.5V ≤ V
IN
≤ 38V, V
OUT
up to 60V, 50kHz to 900kHz, SSOP-28,
4mm × 5mm QFN-28
LTC3788/LTC3788-1 2-Phase, Dual Output Synchronous Step-Up Controller 2.5V ≤ V
IN
≤ 38V, V
OUT
up to 60V, 50kHz to 900kHz, SSOP-28
LTC3862/LTC3862-1 2-Phase Current Mode Step-Up DC/DC Controller 4V ≤ V
IN
≤ 36V, 5V or 10V Gate Drive, 75kHz to 500kHz
LTC3813 100V Maximum V
OUT
Synchronous Step-Up DC/DC
Controller
No R
SENSE
, Large 1 Gate Driver, Adjustable Off-Time, SSOP-28
LTC1871, LTC1871-1,
LTC1871-7
Wide Input Range, No R
SENSE
Low Quiescent Current
Flyback, Boost and SEPIC Controller
Adjustable Switching Frequency, 2.5V ≤ V
IN
≤ 36V, Burst Mode Operation
at Light Load, MSOP-10
LT3757 Boost, Flyback, SEPIC and Inverting Controller 2.9V ≤ V
IN
≤ 40V, 100kHz to 1MHz Programmable Operation Frequency,
3mm × 3mm DFN-10 and MSOP-10E
LT3758 Boost, Flyback, SEPIC and Inverting Controller 5.5V ≤ V
IN
≤ 100V, 100kHz to 1MHz Programmable Operation Frequency,
3mm × 3mm DFN-10 and MSOP-10E
PGOOD
PGOOD
V
RNG
I
TH
SGND
V
FB
SGND PGND
PGND
RUN/SS
I
OFF
V
OFF
C
OFF
100pF
C
SS
1000pF
V
IN
12V* TO 40V
*I
OUT(MAX)
= 2A AT V
IN
= 12V
V
OUT
50V
5A
M3
ZXMN10A07F
C
C2
330pF
R
C
300k
R
FB2
499Ω
R
FB1
30.9k
LTC3814-5
EXTV
CC
TG
SW
BG
PGND
INTV
CC
NDRV
BOOST
38145 TA02
C
B
0.1µF
C
DRVCC
0.1µF
C
VCC
1µF
150k
100k
10k
R
NDRV
100k
D
B
BAS19
M2
Si7850DP
C
OUT1
220µF
63V
× 2
C
OUT2
10µF
100V
× 2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
C
C1
150pF
C
IN1
68µF
50V
C
IN2
1µF
50V
M1
Si7850DP
L1
10µH
D1
B1100
V
OUT
V
IN
R
OFF
806k
143k
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