Isolated and Regulated 25 to 50 WATT Modular DC/DC Converters
asd50 ꢀerieꢀ
INPUT sPECIFICaTIONs
ENVIRONMENTaL sPECIFICaTIONs
Input Voltage Ranges:
12 VDC Nominal
24 VDC Nominal
48 VDC Nominal
12Vin Power Up
12Vin Power Down
24Vin Power Up
24Vin Power Down
48Vin Power Up
48Vin Power Down
PI Type
9-18 VDC
18-36 VDC
36-72 VDC
8.8V
Oper. Case Temperature
-40 to +100°C
Thermal Shutdown, Case Temp. 100°C typ.
Storage Temperature
Cooling
-55 to +105°C *
Free Air Convection
1,005,677 Hrs.
Undervoltage Lockout
8V
MTBF
17V
MIL-HDBK-217F
Ground Benign, 25°C
16V
34V
32.5V
PHYsICaL sPECIFICaTIONs
Input Filter
Case Material
Construction
Weight
Aluminum
Fully Encapsulated
5 oz (142g)
OUTPUT sPECIFICaTIONs
Voltage and Current
Load Regulation (0% to FL)
Line Regulation
See Selection Chart
+/-0.2%, max.
(HL-LL)
Dimensions
2.28” x 2.4” x 0.5”
+/-0.2%, max.
REMOTE ON/OFF CONTROL
Temperature Coefficient
Ripple/Noise
+/-0.03%/°C
2.5, 3.3 & 5Vout 20mV RMS, max.
75mVp-p max.
Logic Compatibility
Open Collector
Referenced to - Input
Open Circuit
<0.8VDC
12 & 15Vout
30mV RMS, max.
100mVp-p max.
100mV RMS, max.
240mVp-p max.
Module-On
Module-Off
24Vout
Shutdown Idle Current
10mA
Voltage Accuracy
Transient Response
Trim Adjustment Range
Short Circuit Protection
Over Voltage Protection
Current Limit
+/-1%, max
25% Change
+/-10%
<500uS
Continuous
115-140% of Output
110-150% of Rated Load
See Selection Chart
Efficiency
GENERaL sPECIFICaTIONs
EXTERNaL OUPUT TRIMMING
Input-Output Isolation
I/P-O/P, I/P-Case, O/P-Case
Isolation Resistance
1500VDC
10-7nth Ohm min.
400kHz
Switching Frequency
12 & 24Vin
48Vin
300kHz
Safety
UL60950
* 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.
All specifications are typical at nominal input, full load, and 25DegC unless
otherwise noted
300 Myleꢀ stꢁnꢂiꢀh Blvꢂ., Tꢁunton, Ma 02780
WWW.asTROdYNE.COM
Ph: 1-800-823-8082
Fꢁx: 508-823-8181
ASTRODYNE [ ASTRODYNE CORPORATION ]
