Linear Technology DC1733A, Демонстрационное руководство

Страница: 5 / 7

5
dc1733af
DEMO MANUAL DC1733A
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
Figure 3.
DC
1733
A
Demo
Circuit
Schematic
SCHEMATIC DIAGRAM
5 5
4 4
3 3
2 2
1 1
D
D
C
C
B
B
A
A
SC1
RXD1
SC2
RST
SYNC
1. ALL RESISTORS ARE 0402 ALL CAPACITORS ARE 0402.
NOTE: UNLESS OTHERWISE SPECIFIED
ILIM
SR
5V
GND
CQ1-2
PAR
OPEN
GND RES
PAR
OPEN
PAR
OPEN
LDOIN
VOUT
DIO
TXEN1
TXEN2
TXD1 TXD2
TXEN1-2
TXD1-2
7.5V - 40V
EN/UVLO
L+ RES
L+ Q2 L-/GND CQ1
ASSY TYPE
VERSION TABEL
*
DC1733A-A DC1733A-B
U1
LT3669EUFD LT3669EUFD-2
C8
0.1uF
C9
10uF 22uF
0.22uF
D6
DFLS160
OPEN
L1
33uH, CDRH50D28RNP-330MC
82uH, CDRH4D22HPNP-820MC
II
LDO
BUCK
0.1A
0.1A
0.15A
0.3A
*
*
RXD1
SC1 SYNC SC2
WAKE
WAKE
SC1
SYNC
RST
TXEN2-J
TXD2-J TXD1-J
RXD1
TXEN1-J
5V 5V
GND GND
TXEN1-J
5V 5V
GND GND
TXEN2-J TXD1-J TXD2-J
SC2
RST
5V
5V
5V
5V
5V
5V
5V
3.3V
5V
3.3V
5V
EXPOSED
PAD
U1
*
EXPOSED
PAD
U1
*
SC1
1
SC2
2
WAKE
3
RXD1
4
TXEN1
5
TXD1
6
TXEN2
7
TXD2
8
Q2
9
L+
11
EN/UVLO
12
DIO
13
DA
14
SW
15
BST
16
BD
17
LDO_IN
18
LDO
19
FB_LDO
20
FB_OUT
21
RT
22
AGND
23
SYNC
24
SR
25
ILIM
26
CPOR
27
RST
28
GND
29
CQ1
10
C8
*
6.3V 0805
C8
*
6.3V 0805
E13E13
JP9JP9
1
2
3 5 7
4 6 8
C6 470pF
50V
C6 470pF
50V
J2
CON-OSTTV041150
J2
CON-OSTTV041150
1 2 3 4
R27
1K
R27
1K
C5
100nF
C5
100nF
E14
GND
E14
GND
R15
1K
R15
1K
E11
Q2
E11
Q2
E9
L+
E9
L+
JP2JP2
1
2
3
R20 4.42K R20 4.42K
D2D2
E7
WAKE
E7
WAKE
R16
1K
R16
1K
E21
GND
E21
GND
C10 OPT
1206
C10 OPT
1206
JP8JP8
1
2
3 5 7
4 6 8
R14 100K R14 100K
D3D3
R17 1M R17 1M
E17
TXEN1
E17
TXEN1
C1
10pF
C1
10pF
E15
GND
E15
GND
C14 OPT C14 OPT
E5
3.3V / I
V
LDO
LDO
E5
3.3V / I
V
LDO
LDO
JP1JP1
1
2
3
R22 53.6K R22 53.6K
E4E4
JP10JP10
1
2
3 5 7
4 6 8
E10
CQ1
E10
CQ1
C9
*
C9
*
C12 4.7uF
50V 1206
C12 4.7uF
50V 1206
JP7JP7
1
2
3
R11
100K
R11
100K
R18 100K R18 100K
C7 1uF 6.3V 0603 C7 1uF 6.3V 0603
JP3JP3
1
2
3
R23 10.2K R23 10.2K
JP4JP4
1
2
3
C13 0.1uF 6.3V 0603 C13 0.1uF 6.3V 0603
R26
1K
R26
1K
R9 10K R9 10K
E2E2
E16
EN/UVLO
E16
EN/UVLO
E6
5V / I
V
BUCK
BUCK
E6
5V / I
V
BUCK
BUCK
R24
38.3K
R24
38.3K
E18
TXEN2
E18
TXEN2
D6
*
D6
*
JP6JP6
1
2
3
E19
TXD1
E19
TXD1
L1
*
L1
*
R21 10K R21 10K
E8
GND
E8
GND
J3
HEADER 2X8 2MM
J3
HEADER 2X8 2MM
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16
E12
L-/GND
E12
L-/GND
C11 470pF 50V C11 470pF 50V
C16 0.1uF 6.3V 0603 C16 0.1uF 6.3V 0603
D1
SMCJ36A
D1
SMCJ36A
JP5JP5
1
2
3
JP11JP11
1
2
3 5 7
4 6 8
R10 100K R10 100K
R25 100K R25 100K
R28
1K
R28
1K
E1E1
C15 0.1uF 6.3V 0603 C15 0.1uF 6.3V 0603
E20
TXD2
E20
TXD2
E3E3
D5 OPT D5 OPT
R12 42.2K R12 42.2K
D4 SMCJ36A D4 SMCJ36A
R19 14K R19 14K
R13 0 R13 0
J1
M12-MALE-5PIN
J1
M12-MALE-5PIN
1 2 3 4 5
S2 S1