MPA321Series
Smallest 1U Height,
Only
6 x 4 x 1.5
Inches!!
320W, Active PFC
Single Output
AC/DC Power Supplies
Key Features:
Electrical Specifications
Specifications typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
• Smallest 1U 320W Supply
• PFC to EN61000-3-2 “D”
• UL, cUL, TUV Approvals
• CE Certified
Input
Parameter
Input Voltage Range
Input Frequency
Input Current, Full Load
Conditions
Min.
90
47
Typ.
6
Max.
264
63
Units
VAC
Hz
Universal
• FCC Class B Emissions
• 2 - 60 V Output Voltages
• Universal 90-264 VAC Input
• 700W Peak Power
90 VAC
110 VAC
220 VAC
240 VAC
A
30
70
Inrush Current, Cold Start
A
Leakage Current
Power Factor Correction
Input Protection
3.5
mA
• Four Mechanical Options
Meets EN61000-3-2 Class D
T6A/250V Fuse
Output
Parameter
Conditions
Min.
Typ.
5.0
1.0
20
Max.
Units
%
%
Output Voltage Adjustment
Output Regulation (Note 1)
Hold Time
By Trim Pot
110 VAC, 80% Load
mSec
Ripple & Noise (20 MHz) (Note 2)
Overload Protection
Over Voltage Protection
Over Temperature Protection
Temperature Coefficient
Transient Recovery Time (Note 3)
Transient Response Deviation
Overshoot/Undershoot
Turn On Delay
See Model Selection Guide
Foldback (Autorecovery) 110
>130% of Rated Output Voltage. Recycle AC Input.
140
%
Operating Ambient (Autorecovery)
90
100
ºC
%/ºC
mS
%
%
S
0.04
2.5
5
50% Load Change
At Turn On/Off
120 VAC
5.0
1
Output Short Circuit
Continuous With Autorecovery
General
Parameter
Conditions
Min.
Typ.
Max.
Units
VAC
kHz
Input - Output 3,000
Input - FG (Frame Ground) 1,500
Primary - Core 1,500
Fixed
Isolation Voltage (Note 4)
Switching Frequency
Interface Signals
Power Supply On
23
MicroPower Direct
292 Page Street
Suite D
Stoughton, MA 02072
USA
Green LED (LED1) on the PCB
PG on CN1. Goes TTL high 100 to 500 mS after regulation. Goes low at
least 1 mS before the loss of regulation. Will sink 100 mA.
FF on pin 3 of CN1. Open collector output rated for 15 VDC/5 mA sink
current maximum. Goes high if a fan failure is detected
Power Good Signal
Fan Fail
Environmental
Parameter
Operating Temperature Range
Output Derating
Storage Temperature Range
Cooling
Operating Humidity
Reliability Specifications
Parameter
T: (781) 344-8226
F: (781) 344-8481
E: sales@micropowerdirect.com
W: www.micropowerdirect.com
Conditions
Min.
0
Typ.
+25
Max.
+50
Units
ºC
Ambient
2.5%/ ºC from +50 ºC to + 70 ºC
-20
See Model Selection Guide
+85
90
ºC
%
RH, Non-condensing
Conditions
MIL HDBK 217F, 30ºC, Gnd Benign
Min.
100
Typ.
Max.
Units
kHours
MTBF
Safety Standards
EEMI Compliance
EMS Immunity Compliance
UL 60950; CSA C22.2 No. 60950; TUV EN60950; CB Report (IEC 60950)
Compliance to EN55022 (CISPR22) Class B; EN61000-3-2,3
EN6100-4-2,3,4,5,6,8,11; EN55024,; CE Marked (LVD)