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MHF2812D Datasheet(PDF) 3 Page - Crane Aerospace & Electronics.

Part No. MHF2812D
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.

MHF2812D Datasheet(HTML) 3 Page - Crane Aerospace & Electronics.

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PIN OUT
Pin
Single Output
Dual Output
1
Inhibit
Inhibit
2
No connection
Positive Output
3
Output Common
Output Common
4
Positive Output
Negative Output
5
No connection
No connection
6
Case Ground
Case Ground
7
Input Common
Input Common
8
Positive Input
Positive Input
BOTTOM VIEW
MHF
Squared corner and dot on
top of cover indicate pin one.
1
2345
87
6
B2-79
MHF SERIES
12 WATT
DC/DC CONVERTERS
DUAL OUTPUT MODELS
MHF2812D
MHF2815D
PARAMETER
CONDITION
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OUTPUT VOLTAGE
+VOUT
11.88
12.0
12.12
14.85
15.0
15.15
VDC
– VOUT
11.82
12.0
12.18
14.77
15.0
15.23
OUTPUT CURRENT1, 2
0.5
1.0
0.4
0.8
A
OUTPUT POWER2
+VOUT
10.8
10.8
– VOUT
10.8
10.8
W
TOTAL
12
12
OUTPUT RIPPLE
VOLTAGE
10 kHz TO 2 MHz
30
60
30
60
mV p-p
LINE REGULATION
MIN. TO MAX. VIN
+VOUT
5
50
5
50
mV
LOAD REGULATION
NO LOAD TO FULL
+VOUT
5
50
10
50
mV
CROSS REGULATION
20% TO 80% LOAD3
5
10
4
8
%
50% LOAD4
—4
5
3
5
INPUT VOLTAGE
CONTINUOUS
16
28
40
19
28
40
VDC
NO LOAD TO FULL
TRANSIENT 50 ms
50
50
V
INPUT CURRENT
NO LOAD
25
35
25
35
FULL LOAD
550
536
mA
INHIBITED
1.9
3
1.9
3
INPUT RIPPLE
CURRENT
10 kHz TO 2 MHz
175
240
175
240
mA p-p
EFFICIENCY
78
81
80
83
%
LOAD FAULT5
POWER DISSIPATION
SHORT CIRCUIT
2.8
2
W
OVERLOAD
5
5
START-UP
DELAY
150
250
150
250
ms
Notes
1. Applies to both outputs.
2. Maximum combined output power is 12 watts. A maximum of 90% is avail-
able from either output.
3. 20% to 80% load on the positive output and 80% to 20% on the negative
output. See Figure 8.
4. 50% load on the positive output and 50% to 20% load on the negative output.
50% load on the negative output and 50% to 20% load on the positive output.
See Figure 7.
5. Indefinite short circuit protection not guaranteed above 125°C case temper-
ature.
MODEL NUMBER KEY
MHF
28 12
D / ES
Base Model
Input Voltage
Output Voltage
Number of Outputs
(S = single, D = dual)
Screening
(Standard screening has no designator
in this position.)
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
FIGURE 1: PIN OUT
See Section B8, case E1, for dimensions.


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