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HR41-2812 Datasheet(PDF) 3 Page - Crane Aerospace & Electronics.

Part No. HR41-2812
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.

HR41-2812 Datasheet(HTML) 3 Page - Crane Aerospace & Electronics.

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TRIPLE OUTPUT EXTERNAL CAPACITOR
OPERATION WITHOUT EXTERNAL CAPACITORS WILL RESULT IN DAMAGE TO THE INTERNAL CIRCUITRY.
B4-53
HR40 SERIES
4 WATT
DC/DC CONVERTERS
Notes
1. External capacitors required to prevent damage to internal circuitry
(see Table 2 for specifications).
2. Minimum load required on main output for full power auxiliary oper-
ation.
FEEDBACK
LOGIC
TIMING
CONTROL
SWITCH
REF. &
COMP
DUAL
TRACKING
REGULATOR
9
+5 OUTPUT
6, 7
8
POSITIVE
AUXILIARY
OUTPUT
5
NEGATIVE
AUXILIARY
OUTPUT
OUTPUT
COMMON
1, 2
POSITIVE
INPUT
15
INHIBIT
17, 18
INPUT
COMMON
220
µF
EXTERNAL
CAPACITOR
Required
Minimum
Model
Connection1
Capacitor Value2
HR43-2812
Positive 5 VDC Output (9) to
and
Output Common (6 or 7)
220 µF, 10 V
HR43-2815
FIGURE 2:
TRIPLE OUTPUT EXTERNAL CAPACITOR CONNECTIONS
Table 2 Notes
1. See Figure 2 for connection diagram.
2. Capacitors should be high quality, low ESR components —
solid tantalum is recommended.
TABLE 2: EXTERNAL CAPACITOR REQUIREMENTS
TRIPLE OUTPUT MODELS
HR43-2812
HR43-2815
PARAMETER1
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OUTPUT VOLTAGE
POUT = 2 W
MAIN
4.9
5.0
5.1
4.9
5.0
5.1
VDC
BALANCED LOAD
AUX
±11.5
±12.0
±12.5
±14.5
±15.0
±15.5
OUTPUT CURRENT
2
18 TO 32 V
IN
MAIN
10.0
400
10.0
400
mA
AUX
±50.0
±40.0
OUTPUT POWER
Tc = –40°C TO +85°C
3.2
3.2
W
OUTPUT RIPPLE
BW DC TO 1 MHz
MAIN
50
100
50
100
mV p-p
± AUX
50
100
50
100
LINE REGULATION
POUT = 2 W
MAIN
5
10
5
10
mV
18 TO 32 VIN
± AUX
3
6
3
7.5
LOAD REGULATION
NO LOAD TO FULL
MAIN
15
30
15
30
mV
± AUX
15
30
12
24
INPUT VOLTAGE
Tc = –40°C TO +85°C
16
28
32
16
28
32
VDC
TRANSIENT 50 ms
40
40
V
NO LOAD
10
20
10
20
INPUT CURRENT
FULL LOAD
176
176
mA
INHIBITED
15
15
EFFICIENCY
FULL LOAD
68
70
68
70
%
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
WARNING:EXTERNAL CAPACITORS REQUIRED


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