30W Medical Grade Ultraminiature Switching Power Supplies MMA-30 series
WWW.ASTRODYNE.COM ASTRODYNE USA: 1-800-823-8082
ASTRODYNE PACIFIC: 886-2-26983458
* 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 specications 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.
INPUT SPECIFICATIONS
Input Voltage 90-264VAC; Nominal: 100-240VAC
Input Frequency 47-440 Hz, Nominal: 50-60Hz
Inrush Current (100V / 200V) 20A / 40A, typ
Leakage Current <500UA @ 264VAC, 50Hz
OUTPUT SPECIFICATIONS
Output Voltage/Current See Specic Model
Initial Accuracy +/-1%, adjustable
Voltage Adjust +/-6%, typ
Load Regulation +/-0.3%, typ
Line Regulation +/-0.3%, typ
Temperature Coefcient +/-0.03%/°C
Ripple/Noise(20Mhz BW) 150mV Pk-Pk, typ
Overvoltage Protection Clamp, 130-150% *
Hold Up Time 30mS, typ
Short Circuit Protection Continuous, self-recovering *
Current Limit 130% typ, Self-Reset Foldback
GENERAL SPECIFICATIONS
On/Off Control Open Collector
Logic “1”/Open=ON
Logic “0”/GND=OFF
Input-Out Isolation 4000VAC
Output-Ground Isolation 1000VAC
Input-Ground Isolation 2500VAC
Operating Frequency 140 Khz, xed
Efciency (@ Full Load) 75 - 80%, typ
ENVIRONMENTAL SPECIFICATIONS
Oper. Temperature 0 to +50°C FL See Derate *
(Free-air Convection)
Relative Humidity 0-95%, Non-Condensing
Storage Temperature -25 to +71°C *
MTBF, Single/Multi Output 180,000 Hrs/110,000 Hrs
Mil Std 217, 25C
PHYSICAL SPECIFICATIONS
Case Material Rynite, 94V-0 Rated
Construction Encapsulated, Soft Pot
Size PCB Mount Single O/P: 3.5” x 2.5” x 0.98”
Multi O/P: 4.06” x 2.5” x 0.98”
Chassis Mount Single O/P: 4.76” x 2.56” x 1.0”
Multi O/P: 5.34” x 2.56” x 1.0”
Weight PCB / CHASSIS
Singles 10.4 oz (292g) / 13.4 oz (376g)
Duals/Triples 12.1 oz (340g) / 15.4 oz (430g)
PERFORMANCE CURVES
100
90
70
50
40
30
20
10
80
60
0
0 10 20 30 40 50 60 70-10
Output Current, %
Ambient Temp., DegC
90
60
50
80
70
40
25 50 75 10010
Typical Efciency, %
% of Full Load