DC835A - Schematic

A
B
C
4
D
E
4
TP1
VIN
6V-24V
TP2
GND
R9
2.2
0805
TP3
G1
CONNECTION TO
TO EXTERNAL MOSFET
C1
R4
U1
LTC4441EMSE
1
0.1uF
25V
0805
2.2
0805
R5
OUT 10
PGND
2
BLANK
R1
RBLANK
4
SGND
5
IN
3
S
7
C3
R3
100pF
R6
10
2
FB
C2
10uF
10V
R2
330K
VIN 8
10K
*
S
S
DRVCC 9
BLANK
3
G
GATE2
2.2
0805
TP4
3
GATE1
*
EN/SHDN 6
GND
11
49.9K
1%
R7
12.4K
1%
R8
84.5K
1%
TP5
PWM
INTPUT
2
*
C3 and R6 can be removed
if PWM source is close to
U1.
This circuit is proprietary to Linear Technology and supplied
for use with Linear Technology parts.
Customer Notice:Linear Technology has made a best effort to
design a circuit that meets customer-supplied specifications;
however, it remains the customers responsibility to verify proper
and reliable operation in the actual application, Component
substitution and printed circuit board layout may significantly
affect circuit performance or reliability. Contact Linear
Applications Engineering for assistance.
1
A
B
C
Linear Technology Corp.
1630 McCarthy Blvd., Milpitas, CA
95035-7487
Phone: (408)432-1900 Fax: (408)434-0507
1
Title
N-Channel MOSFET Gate Dr
iver
Size
Date:
Document Number
Friday, September 16, 20
05
D
Rev
Demo Circuit 835A
Sheet
1
1
of
E
1
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