MWR283 datasheet(6/16 Pages) INTERPOINT

6 / 16 page

Notes

1. Guaranteed by design and/or analysis. Not an in-line test.

2. Effect on negative output when switching loads simultaneously

from/to 30%-70% where 100% is the total power of both auxiliaries.

3. At loads <20% of full load, higher input ripple current is possible.

4. Limit applies to both main and auxiliary outputs, tested separately.

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.

9. No effect on dc performance. Applies to each auxiliary.

tAbLe 6: eLeCtriCAL CHArACteristiCs -55°C to +125°C CAse, 28 vin, 100% LoAD, Free run, unLess otHerwise sPeCiFieD.

TRIpLE OUTpUT MODEL – MWR283R312T

3.3 (MAIN)

±12 (AUXILIARIES)

UNITS

pARAMETER

CONDITIONS

MIN

TYp

MAX

MIN

TYp

MAX

OUTpUT VOLTAGE

MAIN AND pOS. AUX

3.23

3.30

3.37

11.76

12.00

12.24

NEG. AUX.

—

11.70

12.00

12.30

OUTpUT CURRENT

MAIN AND EITHER OUTpUT

—

3.0

—

±0.833 1.16 1

VIN = 14 TO 50 V

MAX TOTAL AUX

—

1.67

OUTpUT pOWER

MAIN AND EITHER OUTpUT

—

±10

14 1

VIN = 14 TO 50 V

MAX TOTAL AUX

—

OUTpUT RIppLE

TC = 25°C

—

mV p-p

10 kHz - 20 MHz

TC = -55°C TO +125°C

—

120

LINE REGULATION

MAIN AND pOS. AUX

—

VIN = 14 TO 50 V

NEG. AUX.

—

120

LOAD REGULATION

MAIN AND +AUX., NL - FL

—

BALANCED AUX.

-AUX., NL - FL

—

100

CROSS REGULATION 2

EFFECT ON

—

250

600

TC = 25°C

NEGATIVE AUXILIARY

INpUT VOLTAGE

CONTINUOUS

—

TRANSIENT 1 sec 1

—

INpUT CURRENT

NO LOAD

—

INHIBITED

—

2.5

—

INpUT RIppLE CURRENT 3

10 kHz - 20 MHz

—

100

—

mA p-p

EFFICIENCY

TC = 25°C

—

TC = -55°C TO +125°C

—

LOAD FAULT 4, 5

pOWER DISSIpATION

—

9.5

—

9.5

RECOVERY 1

—

STEp LOAD RESpONSE 5 , 6

TRANSIENT

—

±75

±350

—

±150

±600

mV pk

50% - 100% - 50%

RECOVERY

—

120

400

—

175

600

µs

STEp LINE RESpONSE 1, 5, 7

TRANSIENT

—

±100

±400

—

±200

±400

mV pk

14 - 40 - 14 VIN

RECOVERY

—

400

600

—

200

600

µs

START-Up 5, 8

DELAY

—

OVERSHOOT 1

—

mV pk

CApACITIVE LOAD 1, 9

25°C

—

1000

—

500

µF

Crane Aerospace & Electronics Power Solutions

MWRTripleDC-DCConverters

14TO50VOlTInpUT-35WaTT

www.craneae.com/interpoint

MWR Rev AD - 2016.05.20

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