DC1968A_15 Datasheet, PDF (1/1 Pages) Linear Technology – BASIC INDUCTIVE TRANSMITTER WITH PRE - REGULATOR

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