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MHF2812D Datasheet(PDF) 2 Page - Crane Aerospace & Electronics.

Part No. MHF2812D
Description  DC/DC CONVERTERS 28 VOLT INPUT
Download  6 Pages
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Manufacturer  CRANE [Crane Aerospace & Electronics.]
Direct Link  http://www.craneae.com
Logo CRANE - Crane Aerospace & Electronics.

MHF2812D Datasheet(HTML) 2 Page - Crane Aerospace & Electronics.

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ABSOLUTE MAXIMUM RATINGS
TYPICAL CHARACTERISTICS
INHIBIT
RECOMMENDED OPERATING CONDITIONS
Input Voltage
• 16 to 40 VDC (19 to 40 VDC 15 volt output)
Output Power
• 12 watts (10 watts MHF2805S)
Lead Soldering Temperature (10 sec per lead)
• 300°C
Storage Temperature Range (Case)
• –55°C to +135°C
B2-78
MHF SERIES
12 WATT
DC/DC CONVERTERS
Output Voltage Temperature Coefficient
• 150 ppm/°C, typical
Input to Output Capacitance
• 50 pF, typical
Current Limit
• 125% of full load, typical
Isolation
• 100 megohm minimum at 500 V
Conversion Frequency
• 600 kHz typical
Inhibit Pin Voltage (unit enabled)
• 8 to 11 V
Input Voltage Range
• 16 to 40 VDC continuous
• 19 to 40 VDC 15 volt outputs continuous
• 50 V for 50 msec transient
Case Operating Temperature (Tc)
• –55°C to +125°C full power
• –55°C to +110°C full power for MHF2805S
• –55°C to +135°C absolute
• –55°C to +130°C absolute for MHF2805S
Derating Output Power/Current
• Linearly from 100% at 125°C to 0% at 135°C
• Linearly from 100% at 110°C to 0% at 130°C
for MHF2805S
Inhibit TTL Open Collector
• Logic low (output disabled)
Logic low 0.8 V max
Inhibit pin current 4 mA max
• Referenced to input common
• Logic high (output enabled)
Open collector
Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, unless otherwise specified.
SINGLE OUTPUT MODELS
MHF2805S
MHF2812S
MHF2815S
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
OUTPUT VOLTAGE
4.95
5.0
5.05
11.88
12
12.12
14.85
15
15.15
VDC
OUTPUT CURRENT
2.0
1.0
0.8
A
OUTPUT POWER
MIN. TO MAX. VIN
10
12
12
W
OUTPUT RIPPLE
10 kHz to 2 MHz
40
60
30
60
25
50
mV p-p
LINE REGULATION
MIN. TO MAX. VIN
10
50
10
50
10
50
mV
LOAD REGULATION
NO LOAD TO FULL
10
50
10
50
10
50
mV
INPUT VOLTAGE
CONTINUOUS
16
28
40
16
28
40
19
28
40
VDC
TRANSIENT 50 ms
50
50
50
V
INPUT CURRENT
NO LOAD
20
30
20
30
20
30
FULL LOAD
483
557
535
mA
INHIBITED
2
3
2
3
2
3
INPUT RIPPLE
CURRENT
10 kHz TO 2 MHz
135
180
150
200
150
220
mA p-p
EFFICIENCY
74
77
77
81
80
83
%
LOAD FAULT1
POWER DISSIPATION
OVERLOAD
5
5
5
W
SHORT CIRCUIT
3.5
2.8
2
START-UP
DELAY
180
300
80
200
150
250
ms
Notes
1. Indefinite short circuit protection not guaranteed above 125°C case temperature (110°C case for MHF2805S).


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