Isolated and Regulated 20 WATT Modular DC/DC Converters
fdc20 series
INPUT SPEcIfIcATIONS
GENERAL SPEcIfIcATIONS
Input Voltage Ranges:
12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
9-18 VDC
18-36 VDC
36-72 VDC
36 VDC
On/Off Control
(Ref to - Input pin)
Logic “1”/Open=ON
Logic “0”/GND=OFF
1600VDC
Max. Voltage Surge (100mS max) 12 VDC Nominal
24 VDC Nominal
Input-Out Isolation
In/Out Capacitance
Isolation Resistance
Efficiency
50 VDC
1000 pF
48 VDC Nominal
100 VDC
10000 M Ohms
81%, typ
Input Filter
Pi Type
Switching Frequency
300Khz, Single typ
OUTPUT SPEcIfIcATIONS
ENVIRONMENTAL SPEcIfIcATIONS
Voltage and Current
Load Regulation
See Selection Chart
singles: +/-1%
duals: +/-2%
Oper. Temperature
Storage Temperature
Maximum Case Temp
MTBF
-25 to +70 DegC(see derate)
-55 to +125 DegC *
112 DegC *
1.93 MHrs
25% - FL (single/dual)
10%-FL (triple)
3.3/5 V:+/-2%, 12/15 V:+/-5%
Line Regulation
(Single/Dual) +/-0.2%
MIL-HDBK-217F TA=25C FL
(triple)
Temperature Coefficient
3.3/5V:+/-1%, 12/15V:+/-5%
+/-0.02%/DegC
PHYSIcAL SPEcIfIcATIONS
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
Case Material
Nickel-Coated Copper
Non-Conductive Base
Encapsulated/1.86oz (52g)
500 microSeconds
Continuous, self-recovering
Construction/Weight
Short Circuit Protection
Overvoltage Protection Threshold:
3.3V Output
5V Output
3.9Volts
6.2Volts
15Volts
18Volts
12V Output
15V Output
All specifications are typical at nominal input, full load, and 25DegC unless
otherwise noted
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.
* 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.
300 Myles Stanꢀish Blvꢀ., Taunton, MA 02780
WWW.ASTROdYNE.cOM
Ph: 1-800-823-8082
fax: 508-823-8181
ASTRODYNE [ ASTRODYNE CORPORATION ]
