DC1968A - Schematic

4
3
2
1
REVISION HISTORY
E1
HVIN
8V - 38V
4
C6
4.7uF
50V
1206
E2
R3
150k
4
VIN
BD
1
BOOST
2
5%
5
SW
3
L3
4.7uH
1
C7
0.068uF
50V
0603
RUN/SS
6
10
R4
40.2k
8
SYNC
PG
7
Vc
9
GND
11
D5
DFLS240L
40V
2A
3
DESCRIPTION
PRODUCTION FAB
APPROVED
DATE
GEORGE B.
9 - 17 - 13
R7
536k
R8
150k
20%
R6
100k
R5
20k
3
C10
22uF
6.3V
0805
M3
Si2333DS
1
5%
R10
100k
C8
330pF
3
REV
-
5V OUT
RT
FB
ECO
4
C9
0.47uF
25V
0603
2
GND
U1
LT3480EDD
2
3
3
M4
2N7002L
5%
1
2
E3
VCC
4.75V - 5.25V
L1
68uH
D6
ON
L2
68uH
E6
E4
GND
R9
1K
5%
Cx1
0.15uF
2%
FC6041
Cx2
0.15uF
2%
FC6041
2
D2
NSR10F40NXT5G
5678
M1
Si4108DY-T1-GE3
4
321
D1
BZX84C16
16V
C5
0.01uF
R1
R2
100
100
5%
5%
CUSTOMER NOTICE
LINEAR TECHNOLOGY HAS MADE A BEST EFFORT TO DESIGN A
CIRCUIT THAT MEETS CUSTOMER-SUPPLIED SPECIFICATIONS;
HOWEVER, IT REMAINS THE CUSTOMER'S 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
TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE.
1
THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND
SUPPLIED FOR USE WITH LINEAR TECHNOLOGY PARTS.
4
3
2
Cy
2
M2
Si4108DY-T1-GE3
123
D4
BZX84C16
16V
UNLESS NOTED:
RESISTORS: OHMS, 0402, 1%, 1/16W
CAPACITORS: uF, 0402, 10%, 50V
APPROVALS
APP ENG.
Cx
Lx
5.0uH
5%
8765
4
PCB DES.
Cx4
0.15uF
2.5%
MKS02
OPT
E5
D3
NSR10F40NXT5G
C4
0.01uF
Cx3
0.15uF
2.5%
MKS02
OPT
TECHNOLOGY
NC
1630 McCarthy Blvd.
Milpitas, CA 95035
Phone: (408)432-1900 www.linear.com
Fax: (408)434-0507
LTC Confidential-For Customer Use Only
GEORGE B. TITLE: SCHEMATIC
BASIC INDUCTIVE TRANSMITTER WITH PRE - REGULATOR
SIZE
IC NO.
N/A
SCALE = NONE
DATE:
REV.
LTC4120EUD / LTC4120-4.2EUD
DEMO CIRCUIT 1968A
3
SHEET 1
9 - 17 - 13
1
OF
1
1