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SMP402 Datasheet(PDF) 7 Page - Power Integrations, Inc.

Part # SMP402
Description  20-72 VDC Input Non-isolated DC Output
PDF  16 Pages
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

SMP402 Datasheet(HTML) 7 Page - Power Integrations, Inc.

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SMP402
7
105
100
020
40
60
80
Input Voltage (VDC)
LINE REGULATION
101
ILOAD = 200 mA
102
103
104
Load Current (mA)
LOAD REGULATION
105
100
0
100
200
300
400
500
102
VIN = 48 VDC
101
103
104
80
50
30
01
2
Load Power (W)
EFFICIENCY vs. OUTPUT POWER
40
60
70
VIN = 24 VDC
VIN = 48 VDC
VIN = 72 VDC
80
30
020
40
60
80
Input Voltage (VDC)
EFFICIENCY vs. INPUT VOLTAGE
50
40
60
70
ILOAD = 200 mA
The line and load regulation graphs were
measured on the circuit shown in Figure
6. The switching frequency of the power
supply was measured at 230 kHz.
The maximum output power curve shows
General Circuit Operation (cont.)
2.0
020
40
60
80
Input Voltage (VDC)
MAXIMUM OUTPUT POWER
0
0.5
1.0
TA = 25°C
1.5
2
0
0
100
200
300
500
Switching Frequency (kHz)
OUTPUT POWER vs. FREQUENCY
1
TA = 25°C
400
VIN = 48 VDC
Typical Performance Characteristics (Figure 6 Power Supply)
the power output capability for a 470
µH
output filter inductor (L1).
The output power versus frequency curve
was generated by characterization of the
SMP402 at various frequencies. The
curve demonstrates the trade-off between
AC and DC power losses within the
device. As AC losses rise with frequency,
DC losses and output power must be
reduced to maintain the same device
maximum power dissipation.



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