HR120 Datasheet, PDF (4/6 Pages) Interpoint Corporation Company – –40°C to +85°C operation 50 V for up to 50 ms transient protection

DC/DC Converters
hr120
series
12 Watt
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, unless otherwise specified.
90
80
16V
40V
70
28V
60
50
2 4 6 8 10 12 14
Output Power (Watts)
HR121-2805 Efficiency
Figure 2
90
16V
80
70
60
40V
28V
50
2 4 6 8 10 12 14
Output Power (Watts)
HR122-2812 Efficiency
Figure 5
20
15
10
5
0 ₂₈₁₅
–5
–10
2812
–15
–20
0
20 40 60 80 100
Output Load (%)
Positive Output 20% to 80% Load
Negative Output 80% to 20% Load
HR122 Negative Output Voltage
Cross Regulation
Figure 8
90
16V
80
70
40V
28V
60
50
2
4
6
8 10 12 14
Output Power (Watts)
HR121-2812 Efficiency
Figure 3
90
19V
80
70
60
40V
28V
50
2 4 6 8 10 12 14
Output Power (Watts)
HR122-2815 Efficiency
Figure 6
19
18
17
2815
16
15
2812
14
13
2805
12
11
2 4 6 8 10 12 14
Output Power (Watts)
50 mV Drop
HR121 Low Line Dropout
Figure 9
90
19V
80
70
60
40V
28V
50
2 4 6 8 10 12 14
Output Power (Watts)
HR121-2815 Efficiency
Figure 4
10
8
6
4
2812
Cond. A
2
0 2815
2
–4
–6
2812
Cond. B
–8
–10
0
10
2
30 40 50
Output Load (%)
Condition A: 50% Load Pos. Vout, 50% to 20% Neg. Vout
Condition B: 50% Load Neg. Vout, 50% to 20% Pos. Vout
HR122 Negative Output Voltage
Cross Regulation
Figure 7
19
18
17
2815
16
15
14
13
2812
12
11
2 4 6 8 10 12 14
Output Power (Watts)
50 mV Drop
HR122 Low Line Dropout
Figure 10
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HR120 Rev C - 20090904