MFK281R8S datasheet(10/23 Pages) INTERPOINT

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DUAL OUTPUT MODELS

MFK2812D

MFK2815D

UNITS

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

OUTPUT VOLTAGE

+ VOUT

11.76 12.00 12.24 14.70

15.00

15.30

- VOUT

11.70 12.00 12.30 14.63

15.00

15.38

OUTPUT CURRENT 2, 3

EITHER OUTPUT

—

±1.04

1.45

—

±0.833

1.16

VIN = 16 TO 50 V

TOTAL OUTPUT

—

2.08

—

1.66

OUTPUT POWER 2, 3

EITHER OUTPUT

—

±12.5

22.5

—

±12.5

22.5

VIN = 16 TO 50 V

TOTAL OUTPUT

—

OUTPUT RIPPLE

TC = 25°C

—

mV p-p

±VOUT, 10 kHz - 20 MHz

TC = -55°C TO +125°C

—

LINE REGULATION

+ VOUT

—

VIN = 16 TO 50 V

- VOUT

—

150

—

150

LOAD REGULATION

+ VOUT

—

NL TO FULL, BALANCED

- VOUT

—

250

—

100

250

CROSS REGULATION 4

TC = 25°C

—

700

—

800

INPUT VOLTAGE

CONTINUOUS

TRANSIENT 1 sec.1

—

INPUT CURRENT

NO LOAD

—

INHIBITED

—

2.5

—

2.5

INPUT RIPPLE CURRENT

10 kHz - 20 MHz

—

100

—

100

mA p-p

EFFICIENCY

TC = 25°C

—

TC = -55°C TO +125°C

—

LOAD FAULT 5, 6

POWER DISSIPATION

—

SHORT CIRCUIT

RECOVERY 1

—

STEP LOAD RESPONSE 7, 8, 9

TRANSIENT ±VOUT

—

350

600

—

400

650

mV pk

50%-100%-50%, BALANCED LOADS RECOVERY

—

250

550

—

250

550

µs

STEP LINE RESPONSE 1, 7, 10

TRANSIENT

—

1300

—

1500

mV pk

±VOUT , VIN = 16 - 50 - 16 V

RECOVERY

—

0.5

—

0.5

START-UP 11

DELAY

—

OVERSHOOT 1

—

120

—

150

mV pk

CAPACITIVE LOAD 1, 12

NO EFFECT ON DC

—

1000

—

1000

µF

TC = 25°C

PERFORMANCE

tAbLe 10: eLeCtriCAL CHArACteristiCs -55°C to +125°C CAse, 28 vin, 100% LoAD, Free run, unLess otHerwise sPeCiFieD.

Notes

1. Guaranteed by characterization test and/or analysis. Not a production test.

2. Up to 70% of the total output power is available from either output providing

the opposite output is simultaneously carrying 30% of the total output power.

3. Recommended minimum load is 20% total load (sum of both outputs).

4. Effect on –Vout for the following conditions:

+Po = 30% to 70%; - Po = 70% to 30%

5. Short circuit measured with 1% 10 milliohm resistive load.

6. Indefinite short circuit protection not guaranteed above 125°C (case)

7. 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.

8. Response of either output with the opposite output held at half of the total

output power.

9. Step load transition time 10 µs ±1 µs.

10. Step line transition time >100 µs.

11. Tested on release from inhibit.

12. Each output.

Crane Aerospace & Electronics Power Solutions

MFKsingleanddualdC-dCConverters

28 Volt input – 25 Watt

www.craneae.com/interpoint

Page 10 of 23

MFK Rev AJ - 2016.04.25

16tO50vOLtsInPUt–25WAtt

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