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Switching Power Supplies
МАА Series MAA300
Input specifications
Parameter
Conditions of dimensions
MIN
NOM
MAX
Unit
S
187
220
242
VAC
Steady-state deviation
К
80
115
140
VAC
S
176
264
VAC
Input voltage
Transient deflection, 1 sec
К
80
150
VAC
S
Input frequency
К
47
400
440
Hz
Output specifications
Parameter
Conditions of dimensions
MIN
NOM
MAX
Unit
Single-output execution (Inom 10 – 100%)
±3
%
Output 1 multi-output execution
(Inom 10 – 100%)
±3
%
Uout2&3
differs from
Uout1 less
than 20%
Output 2 and 3 multi-output execution
(Inom 10 – 100%)
±13
%
Output 1 multi-output execution
(Inom 30 – 100%)
±3
%
Total output voltage instability
Uout2&3
differs from
Uout1 more
than 20%
Output 2 and 3 multi-output execution
(Inom 50-100%)
±15
%
Output voltage pulsations ripple
(peak-to-peak)
Dimension by device for pulsation control
2
% Uout.nom.
Current overload protection
actuation level
110
% Iout.nom.
Short circuit protection
Autorepair
150
% Iout.nom.
Overvoltage protection
120
% Uout.nom.
Thermal protection
90-95
°C
General specifications
Parameter
Conditions of dimensions
MIN
NOM
MAX
Unit
- operating of case
N
P
– 40
– 50
+85
+85
°C
– power loss
См. график
Temperature
– storage
– 50
+85
°C
Efficiency
78
%
Conversion frequency
50
kHz
~ in/out
1500
VAC
~ in/case
1500
VAC
~ out/case
500
VDC
Isolation
~ out/out
500
VDC
Insulation resistance
Voltage 500VDC
20
Ohm
High humidity
Temperature 35°С
98
%
Cyclic overpatching of temperature
– 60
+85
°C
Multiple mechanical shocks
Speeding-up 15g
2
15
ms
Sinusoidal vibration
Speeding-up 5g
50
500
Hz
Atmosphere pressure
6х104
1,2х105
Pa
Time to failure
Temperature 35°C
105
hour
Mass
0,7
kg
all specifications redused for normal climatic conditions, Uin.nom., Iout.nom., if it is not specified differently.
Power loss diagram
Температура окружающей среды Токр, С
90
80
70
60
50
40
30
20
10
0
-10
-20
-30
-40
-50
350
300
250
200
150
100
50
0
Free air
convection
With heat sink
Ambient temperature Tamb, °C