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Isolated and Regulated 20 WATT Modular DC/DC Converters
f d c 2 0 series
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
fax: 508-823-8181
WWW.ASTROdYNE.cOM
OUTPUT dERATING cURVE
MEcHANIcAL dIMENSIONS
Pin #
Single
dual
Triple
1
+ Input
+ Input
+ Input
2
- Input
- Input
- Input
3
No Pin
No Pin
No Pin
4
Control
Control
Control
5
No Pin
+ Output
+ Aux Out
6
+ Output
Common
+5V, +3.3V
7
- Output
- Output
Common
8
Trim
Trim
- Aux Out
1. All dimensions in Inches (mm)
Tolerance: X.XX 0.02 (X.X 0.5)
X.XXX 0.01 (X.XX 0.25)
2. Pin pitch tolerance 0.014(0.35)
1.60 (40.6)
0.20 (5.1)
0.70 (17.8)
0.60 (15.2)
0.40
(10.2)
0.40
(10.2)
0.50
(12.7)
0.70 (17.8)
0.40
(10.2)
0.22 (5.6)
1
2
4
5
8
7
6
Bottom
View
DIA. 0.04(1.0)
50 60 70 80 90 100
-40 -25
0
-10
25
50
75
100
0
AMBIENT TEMPERATURE (ºC)
FDC20-48S05 Derating Curve
Nature convection
45
55
65
75
36
40
74
75
INPUT VOLTAGE (V)
FDC20-48S05
Efficiency VS Input Voltage
84
83
82
81
80
79
78
77
76
60
50
70
2
3
3.5
4
0.5
1
60
65
OUTPUT LOAD (A)
FDC20-48S05
Efficiency VS Output load
84
83
82
81
80
78
76
74
70
1.5
2.5