Is o la t ed a nd Re gu lated 2 0 WATT Mod ular DC/DC Conv er ters
Wide 2 : 1 Input Range
High Efficiency
Regulated Outputs
1600V Isolation
Full EMI Shielding
Standard Pinouts
fdc20
series
Unit measures 1”W x 2”L x 0.375”H
Model Number
SINGLE OUTPUT
FDC20-12S33
FDC20-24S33
FDC20-48S33
FDC20-12S05
FDC20-24S05
FDC20-48S05
FDC20-12S12
FDC20-24S12
FDC20-48S12
FDC20-12S15
FDC20-24S15
FDC20-48S15
dUAL OUTPUT
FDC20-12D05
FDC20-24D05
FDC20-48D05
FDC20-12D12
FDC20-24D12
FDC20-48D12
FDC20-12D15
FDC20-24D15
FDC20-48D15
Output Voltage
Output Amps
Input Range
3.3 VDC
5 VDC
12 VDC
15 VDC
4
4
4
4
4
4
1.67
1.67
1.67
1.33
1.33
1.33
+/-2
+/-2
+/-2
+/-0.833
+/-0.833
+/-0.833
+/-0.666
+/-0.666
+/-0.666
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
+/-5 VDC
+/-12 VDC
+/-15 VDC
Order On-Line!
WWW.ASTROdYNE.cOM
astrodyne.com
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
fax: 508-823-8181
Is o la t ed a nd Re gu lated 2 0 WATT Mod ular DC/DC Conv er ters
Wide 2 : 1 Input Range
High Efficiency
Regulated Outputs
1600V Isolation
Full EMI Shielding
Standard Pinouts
fdc20
series
Unit measures 1”W x 2”L x 0.375”H
Model Number
TRIPLE OUTPUT
FDC20-12T3312
FDC20-24T3312
FDC20-48T3312
FDC20-12T3315
FDC20-24T3315
FDC20-48T3315
FDC20-12T0512
FDC20-24T0512
FDC20-48T0512
FDC20-12T0515
FDC20-24T0515
FDC20-48T0515
Output Voltage
Output Amps
Input Range
3.3, +/-12 VDC
3.3, +/-15 VDC
5, +/-12 VDC
5, +/-15 VDC
3, +/-0.3
3, +/-0.3
3, +/-0.3
3, +/-0.25
3, +/-0.25
3, +/-0.25
2, +/-0.3
2, +/-0.3
2, +/-0.3
2, +/-0.25
2, +/-0.25
2, +/-0.25
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
9-18 VDC
18-36 VDC
36-72 VDC
Order On-Line!
WWW.ASTROdYNE.cOM
astrodyne.com
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
fax: 508-823-8181
Is o la t ed a nd Re gu lated 2 0 WATT Mod ular DC/DC Conv er ters
INPUT SPEcIfIcATIONS
Input Voltage Ranges:
12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
Max. Voltage Surge (100mS max) 12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
Input Filter
Pi Type
9-18 VDC
18-36 VDC
36-72 VDC
36 VDC
50 VDC
100 VDC
fdc20
(Ref to - Input pin)
Logic “1”/Open=ON
Logic “0”/GND=OFF
1600VDC
1000 pF
10000 M Ohms
81%, typ
300Khz, Single typ
series
GENERAL SPEcIfIcATIONS
On/Off Control
Input-Out Isolation
In/Out Capacitance
Isolation Resistance
Efficiency
Switching Frequency
OUTPUT SPEcIfIcATIONS
Voltage and Current
See Selection Chart
Load Regulation
singles: +/-1%
25% - FL (single/dual)
duals: +/-2%
10%-FL (triple)
3.3/5 V:+/-2%, 12/15 V:+/-5%
Line Regulation
(Single/Dual) +/-0.2%
(triple)
3.3/5V:+/-1%, 12/15V:+/-5%
Temperature Coefficient
+/-0.02%/DegC
Ripple/Noise(Single/Dual/Triple) (75 / 100 / 1%) mV Pk-Pk, typ
Voltage Stability
(+/-12,+/-15) +/- 2%, (+/-5%)
Transient Response Recovery
25% Load Step Change
500 microSeconds
Short Circuit Protection
Continuous, self-recovering
Overvoltage Protection Threshold:
3.3V Output
3.9Volts
5V Output
6.2Volts
12V Output
15Volts
15V Output
18Volts
ENVIRONMENTAL SPEcIfIcATIONS
Oper. Temperature
Storage Temperature
Maximum Case Temp
MTBF
-25 to +70 DegC(see derate)
-55 to +125 DegC
*
112 DegC
*
1.93 MHrs
MIL-HDBK-217F TA=25C FL
PHYSIcAL SPEcIfIcATIONS
Case Material
Construction/Weight
Nickel-Coated Copper
Non-Conductive Base
Encapsulated/1.86oz (52g)
All specifications are typical at nominal input, full load, and 25DegC unless
otherwise noted
*
These are stress ratings. Exposure of the devices to any of these conditions
may adversely affect long term reliability. Proper operation under conditions
other than the standard operating conditions is neither warranteed nor implied.
Astrodyne products are not authorized or warranteed for use
as critical components in life support systems, equipment used
in hazardous environments, nuclear controls systems, or other
mission-critical applications.
WWW.ASTROdYNE.cOM
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
fax: 508-823-8181
Is o la t ed a nd Re gu lated 2 0 WATT Mod ular DC/DC Conv er ters
MEcHANIcAL dIMENSIONS
1.60 (40.6)
0.60 (15.2)
0.70 (17.8)
0.20 (5.1)
DIA. 0.04(1.0)
0.40
(10.2)
fdc20
series
OUTPUT dERATING cURVE
FDC20-48S05 Derating Curve
OUTPUT POWER (%)
100
75
50
25
4
2
1
Nature convection
2.00 (50.8)
Bottom
View
1.80 (45.7)
0
-40 -25 -10 0
50 60 70 80 90 100
AMBIENT TEMPERATURE (ºC)
8
0.40
(10.2)
7
6
0.40
(10.2)
0.50
(12.7)
5
FDC20-48S05
Efficiency VS Input Voltage
EFFICIENCY (%)
0.22 (5.6)
0.70 (17.8)
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)
Pin #
1
2
3
4
5
6
7
8
Single
+ Input
- Input
No Pin
Control
No Pin
+ Output
- Output
Trim
dual
+ Input
- Input
No Pin
Control
+ Output
Common
- Output
Trim
Triple
+ Input
- Input
No Pin
Control
+ Aux Out
+5V, +3.3V
Common
- Aux Out
84
83
82
81
80
79
78
77
76
75
74
36
40
45
50
55
60
65
70
75
INPUT VOLTAGE (V)
FDC20-48S05
Efficiency VS Output load
EFFICIENCY (%)
84
83
82
81
80
78
76
74
70
65
60
0.5
1
1.5
2
2.5
3
3.5
4
OUTPUT LOAD (A)
WWW.ASTROdYNE.cOM
300 Myles Standish Blvd., Taunton, MA 02780
Ph: 1-800-823-8082
fax: 508-823-8181
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