5
dc2138af
DEMO MANUAL DC2138A
VIN
GND
10V - 32V
NOTE: UNLESS OTHERWISE SPECIFIED
1. ALL RESISTORS AND CAPACITORS ARE 0603.
5.6V
OPTIONAL CIRCUIT
[email protected], VIN>12V [email protected], VIN>24V
SW
VIN
VIN
VIN
D2 BZT52C5V6T-7
D2 BZT52C5V6T-7
1
2
C4
0603
0.01uF,50V
C4
0603
0.01uF,50V
R4 OPT
R4 OPT
E5
EN/UVLO
E5
EN/UVLO
R2 210K
R2 210K
C7
1210
3.3nF
250V
C7
1210
3.3nF
250V
E1E1
D1
PMEG3020EH
D1
PMEG3020EH
1
2
+
C6 22uF,50V 50CE22BS
+
C6 22uF,50V 50CE22BS
R3
154K
R3
154K
D3 1N4148WS
D3 1N4148WS
1
2
FB1 BEAD
TAIYO YUDEN FB MJ3216HS800
FB1 BEAD
TAIYO YUDEN FB MJ3216HS800
R1 1M
R1 1M
D4
CMHZ5248B
D4
CMHZ5248B
1
2
T1
WURTH, 750313974
T1
WURTH, 750313974
1
4
6
5
7
8
JP1
EN
DIS
JP1
EN
DIS
1
3
2
OPT
C3 OPT
C3
E2E2
10uF 50V
C1
1210
10uF 50V
C1
1210
E4
VOUT-
E4
VOUT-
+
22uF 50V
Cin
50CE22BS
+
22uF 50V
Cin
50CE22BS
C5
1210
4.7uF,50V
C5
1210
4.7uF,50V
100uF
C2
6.3V 1210
100uF
C2
6.3V 1210
E3
VOUT+
E3
VOUT+
U1
LT8301ES5
U1
LT8301ES5
VIN
5
EN/UV
1
RFB
3
GND
2
SW
4
L1
CDRH4D22/HP
SUMIDA
10UH
L1
CDRH4D22/HP
SUMIDA
10UH
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.
schematic Diagram