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HR121-2812 Datasheet(PDF) 4 Page - Crane Aerospace & Electronics.

Part # HR121-2812
Description  DC/DC CONVERTERS 28 VOLT INPUT
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Manufacturer  CRANE [Crane Aerospace & Electronics.]
Direct Link  http://www.craneae.com
Logo CRANE - Crane Aerospace & Electronics.

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B4-50
HR120 SERIES
12 WATT
DC/DC CONVERTERS
Typical Performance Curves: 25°C Tc , 28 VDC Vin, 100% load, unless otherwise specified.
FIGURE 5
FIGURE 7
Output Power (Watts)
HR122-2812 Efficiency
50
90
80
70
60
2
4
6
8
10
12
16V
40V
28V
14
Output Power (Watts)
HR121-2805 Efficiency
50
90
80
70
60
2468
10
12
28V
14
40V
16V
FIGURE 2
Output Power (Watts)
HR121-2812 Efficiency
50
90
80
70
60
2
4
68
10
12
16V
40V
28V
14
FIGURE 3
Output Power (Watts)
HR122-2815 Efficiency
50
90
80
70
60
2
4
6
8
10
12
19V
40V
28V
14
FIGURE 6
FIGURE 4
Output Power (Watts)
HR121-2815 Efficiency
50
90
80
70
60
2
4
6
8
10
12
19V
40V
28V
14
Output Load (%)
Positive Output 20% to 80% Load
Negative Output 80% to 20% Load
HR122 Negative Output Voltage
Cross Regulation
–20
0
20406080
100
–10
–5
–15
0
5
10
15
20
2812
2815
FIGURE 8
Output Power (Watts)
50 mV Drop
HR121 Low Line Dropout
11
2468
10
12
14
13
14
12
15
16
17
18
19
2812
2815
2805
FIGURE 9FIGURE 10
Output Power (Watts)
50 mV Drop
HR122 Low Line Dropout
11
2468
10
12
14
13
14
12
15
16
17
18
19
2812
2815
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
–10
010230
40
50
–6
–4
–8
0
2
4
6
10
2815
2812
Cond. B
Cond. A
2812
8
2
21821-009-DTS Rev A
DQ# 2011
All technical information is believed to be accurate, but no responsibility is assumed
for errors or omissions. Interpoint reserves the right to make changes in products
or specifications without notice. HR120 Series is a trademark of Interpoint.
Copyright © 1994 - 1999 Interpoint. All rights reserved.


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