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MFK281R8S Datasheet, PDF (7/23 Pages) Interpoint Corporation Company – MFK S ingle and D ual D C-DC Converters 16 to 50 vol ts i npu t – 25 Watt | |||
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Crane Aerospace & Electronics Power Solutions
MFK Single and Dual DC-DC Converters
162t8o V50ovltoilntps uintpâut25â 2W5 Watattt
Tableâ7: Electrical Characteristics -55°C to +125°C case, 28 Vin, 100% load, free run, unless otherwise specified.
single output models
PARAMETER
OUTPUT VOLTAGE
OUTPUT CURRENT 2
OUTPUT POWER 2
OUTPUT RIPPLE
10 kHz - 20 MHz
LINE REGULATION
LOAD REGULATION
INPUT VOLTAGE
NO LOAD TO FULL
INPUT CURRENT
INPUT RIPPLE CURRENT
EFFICIENCY
LOAD FAULT 3, 4
SHORT CIRCUIT
STEP LOAD RESPONSE 5, 6
50% - 100% - 50%
STEP LINE Response 1, 5, 7
16 - 50 - 16 V
START-UP 8
FULL LOAD
CAPACITIVE LOAD 1
TC = 25°C
CONDITIONS
VIN = 16 TO 50
VIN = 16 TO 50
TC = 25°C
TC = -55°C TO +125°C
VIN = 16 TO 50
NO LOAD TO FULL
CONTINUOUS
TRANSIENT 1 sec.1
NO LOAD
INHIBITED
10 kHz - 20 MHz
TC = 25°C
TC = -55°C TO +125°C
POWER DISSIPATION
RECOVERY 1
TRANSIENT
RECOVERY
TRANSIENT
RECOVERY
DELAY
OVERSHOOT 1
NO EFFECT ON DC
PERFORMANCE
MFK2805S
MIN TYP MAX
4.85 5.00 5.15
â
â
4.0
â
â
20
â
40
80
â
â
100
â
5
20
â
5
25
16
28
50
â
â
65
â
25
50
â
2.4
4
â
40
85
79
82
â
77
â
â
â
6
8.5
â
â
20
â
â
400
â
â
300
â
â
500
â
0.5
1
â
â
25
â
0
50
â
â 2000
MFK285R2S
MIN TYP MAX
5.05 5.2 5.35
â
â
4
â
â 20.8
â
40
80
â
â
100
â
5
20
â
5
25
16
28
50
â
â
65
â
25
50
â
2.4
4
â
40
85
79
82
â
77
â
â
â
6
8.5
â
â
20
â
â
400
â
â
300
â
â
500
â
0.5
1
â
â
25
â
0
50
â
â 2000
MFK285R7S
MIN TYP MAX
5.52 5.70 5.87
â
â
4.0
â
â 22.8
â
40
80
â
â
100
â
5
20
â
5
25
16
28
50
â
â
65
â
25
50
â
2.4
4
â
40
85
79
82
â
77
â
â
â
6
8.5
â
â
20
â
â
400
â
â
300
â
â
570
â
0.5
1
â
â
25
â
0
50
UNITS
V
A
W
mV p-p
mV
mV
V
V
mA
mA p-p
%
W
ms
mV pk
µs
mV pk
ms
ms
mV pk
â
â 2000
µF
Notes
1. Guaranteed by characterization test and/or analysis. Not a production test.
2. A minimum load of 20% is recommended.
3. Short circuit measured with 1% 10 milliohm resistive load.
4. Indefinite short circuit protection not guaranteed above 125°C.
5. Recovery and startup times are measured from application of the transient or
change in condition to the point at which VOUT is within 1% of final value. CL = 0.
6. Step load transition time 10 µs ±1 µs.
7. Step line transition time 100 µs ±20 µs.
8. Tested on release from inhibit.
www.craneae.com/interpoint
Page 7 of 23
MFK Rev AJ - 2016.04.25
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