MHF2812SSLASH883 datasheet(14/23 Pages) INTERPOINT

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TriPle OuTPuT MOdel – MHF+28515T

5 2 (Main)

±15 (auXiliarieS)

uniTS

ParaMeTer

COndiTiOnS

Min

TYP

MaX

Min

TYP

MaX

oUTpUT VolTAge

VOuT

4.85

5.00

5.15

14.40 15.00

15.60

OuTPuT CurrenT 3

eiTHer OuTPuT

—

1.5

±0.250 0.333 1

Vin = 16 TO 48 V

TOTal

—

1.5

—

0.500

OuTPuT POWer 4

eiTHer OuTPuT

—

7.5

—

±3.75

5 1

Vin = 16 TO 48 V

TOTal

—

7.5

OuTPuT riPPle

TC = 25°C

—

±30

±112

mV p-p

10 kHz - 2 MHz

TC = -55°C TO +125°C

—

±225

line regulaTiOn

Vin = 16 TO 48 V

—

±150

±300

lOad regulaTiOn 5

nO lOad TO Full

—

±150

±300

CrOSS regulaTiOn 6

TC = 25°C

eFFeCT on negATIVe

auXiliarY

—

750

InpUT VolTAge

COnTinuOuS

—

TranSienT 1 120 ms

—

inPuT CurrenT

nO lOad

—

inHiBiTed

—

inPuT riPPle CurrenT 3

10 kHz - 10 MHz

—

ma p-p

eFFiCienCY

TC = 25°C

—

TC = -55°C TO +125°C

—

lOad FaulT 7, 8

POWer diSSiPaTiOn

SHOrT CirCuiT

—

±12

ReCoVeRY 1

—

STeP lOad reSPOnSe 9, 10 TranSienT

—

±850

—

±950

mV pk

ReCoVeRY

—

STeP line

reSPOnSe 1, 9, 11

TranSienT

—

±800

—

±800

mV pk

Vin = 16 - 40 - 16 V

ReCoVeRY

—

STarT-uP 12

delaY

nO lOad and Full

—

oVeRSHooT 1

—

500

—

±500

mV pk

notes

1. guaranteed by qualification test and/or analysis. not an in-line test.

2. If running with external sync, at temperature extremes VOuT main may be

a minimum of 4.80 volts to a maximum of 5.20 volts.

3. The sum of the 15 volt auxiliary output currents may not exceed 500 mA.

4. The sum of the auxiliary output power may not exceed 7.5 watts. Up to 5

watts (approximately 66%) of the total auxiliary output power is available

from either output providing the opposite output is simultaneously carrying

2.5 watts (approximately 33%) of the total auxiliary power.

5. load regulation for the +5 is specified at 0.0 to 1.5 A with both auxiliaries

held at 3.75 W (250 mA). load regulation for the auxiliary. is specified as

both auxiliaries from 0.0 to 3.75 W (250 mA) at the same time with the +5

held at 1.5 a.

6. Cross regulation only occurs between the two auxiliaries and is measured

on –aux. +5 is held constant at 1.0 A. Cross regulation is specified for two

conditions:

negative aux.= 3.76 W; positive aux.= 0.37 W to 3.76 W.

negative aux. = 0.37 W to 3.76 W; positive aux. = 3.76 W.

7. load fault = < 0.100 Ω.

8. indefinite short circuit protection not guaranteed above 125°C case.

9. Time to settle to within 1% of VOuT final value.

10. Step transition time > 10 µs.

11. Step transition time 100 µs ±20%.

12. Measured on release from inhibit.

table 11: eleCtriCal CharaCteristiCs -55°C to +125°C Case, 28 vin, 100% loaD, Free run, unless otherwise sPeCiFieD.

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Page 14 of 23

Crane Aerospace & Electronics Power Solutions

mHF+ Single, Dual and Triple DC-DC Converters

28 VOlT INPuT – 15 WaTT

MHF+ rev aB - 2014.10.02

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