Size (max):MFCG-H 3.005 x 1.505 x 0.400 inches (76.33 x 38.23 x 10.16 mm)

MFCA-F 3.005 x 2.260 x 0.400 inches (76.33 x 57.40 x 10.16 mm)

Weight:

MFCG-H 100 grams maximum
MFCA-F 150 grams maximum

Screening: Standard or ES

DESCRIPTION

Interpoint's MFC SeriesTM of converters offers one, two, or three

individual converters combined with an EMI filter which is designed

to meet the requirements of MIL-STD-461C CE03. Many combina-

tions are available with choices from six different output voltages

and four different power levels resulting in one package with from

one to eight output voltages.

The MFC Series of converters uses Interpoint proprietary modules

as building blocks for creating single package optimized solutions

with proven reliability and short lead times.

All converters have an inhibit function which disables the outputs

and places the unit in a low quiescent current mode. Remote sense

and margining up are available on the 30 watt single modules. The

15 watt and 30 watt choices have synchronization.

ULTIPLE

UTPUT

(1-8)

28 V

, F

ILTERED

ACTORY

ONFIGURABLE

DC/DC C

ONVERTERS

MFC SERIES

UP TO 30 WATTS

EATURES

· EMI input filter meets

MIL-STD-461C, CE03

· Output filter reduces

ripple

· 55° to +100°C operation
· 17 to 40 VDC input, typical
· Fully Isolated
· 50 V for up to 50 ms transient

protection

· Inhibit function
· Sync function available on

select modules

· Sense available on select

single output modules

· Indefinite short circuit protection

VDC O

UTPUT

Mix or match volt-
ages and power to
configure from one
to eight outputs.

Table 1: Modules Power and Vout

Power

Vout

Features

30 Watt

3.3

Inhibit &

Sync &

Sense/

Trim up

18
±5

Inhibit &

±12

Sync

±15

15 Watt

3.3

Inhibit &

Sync

5.2

12
15
28
±5

±12
±15

Power

Vout

Features

5 Watt

Inhibit

5.2

12
15
±5

±12
±15

1.5 Watt

3.3

Inhibit

5
5.2

12
15
±5

±12
±15

MFC SERIES
UP TO 30 WATTS

ILTERED

ONFIGURABLE

DC/DC C

ONVERTERS

Table 2: Configurations

Case Size: 3. 005 x 1.505 x 0.400 inches (76.33 x 38.23 x 10.16 mm)

Configuration

Resulting

Module Power (Watts) - Number of Modules

Selection Letter

Output Power (W)

1.5

Selecting a configuration:
Begin with the base model letters - MFC. Add a
configuration letter from "Table 2: Configurations"
that matches the number of outputs and power level
you require. Using "Table 1: Modules" from page 1,
choose from the available voltages in the power
levels determined by the configuration letter. Add the
chosen voltages to the model and configuration
letters beginning with the highest wattage down to
the lowest.

As an example: To configure a four output, 20 watt
converter, begin with MFCB. Choose the output volt-
ages for the 15 watt and 5 watt modules in Table 2.
For this example a 15 watt 5 volt dual output and a
5 watt 15 volt dual output were selected. The
resulting configuration is MFCB/05D/15D.

More Examples:
MFCA/15D/12D
30 watt total, four outputs:
15 watt dual 15 volt, 15 watt dual 12 volt

MFCD/5D/12D/5S
11 watt total, five outputs:
5 watt dual 5 volt, 5 watt dual 12 volt, 1.5 watt
single 5 volt

MFCG/5D/12D
6 watt total, four outputs:
5 watt dual 5 volt, 1.5 watt dual 12 volt

Case Size: 3.005 x 2.250 x 0.400 inches (76.33 x 57.15 x 10.16 mm

Configuration

Resulting

Module Power (Watts) - Number of Modules

Selection Letter

Output Power (W)

1.5

1. Case has eighteen pins which may limit the number of output voltages available.

2. Case has twelve pins which may limit the number of output voltages available.

Note: The specifications on the following pages are for the individual modules. The specifications/perform-
ance of the configured converter may vary from the specifications in the "Electrical Characteristics" tables.
Please contact the factory for details.

MFC SERIES
UP TO 30 WATTS

ILTERED

ONFIGURABLE

DC/DC C

ONVERTERS

30 Watt Single Output Modules

SINGLE OUTPUT MODULES

3R3S

05S

12S

15S

18S

PARAMETER

CONDITION

MIN

TYP

MAX

MIN TYP MAX

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

OUTPUT VOLTAGE

3.27

3.30

3.33

4.95

5.00

5.05 11.88 12.00 12.12 14.85 15.00 15.15 17.82 18.00 18.18

VDC

OUTPUT CURRENT

= 16 to 40 VDC

6.06

5.0

2.5

2.0

1.67

OUTPUT POWER

= 16 to 40 VDC

OUTPUT RIPPLE

10 kHz 2 MHz

mV p-p

VOLTAGE

Tc = 55°C TO +125°C

LINE REGULATION

Vin = 16 to 40 VDC

Tc = 55°C TO +125°C

LOAD REGULATION

NO LOAD TO FULL

Tc = 55°C TO +125°C

INPUT VOLTAGE

CONTINUOUS

VDC

NO LOAD TO FULL

TRANSIENT 50 ms

INPUT CURRENT

NO LOAD

FULL LOAD

0.94

1.15

1.30

1.25

1.33

INHIBITED

INPUT RIPPLE

10 kHz 10 MHz

CURRENT

Tc = 55°C TO +125°C

mA p-p

EFFICIENCY

LOAD FAULT

SHORT CIRCUIT

POWER DISSIPATION

RECOVERY

1, 4

1.4

STEP LOAD RESP.

50% 100% 50%

TRANSIENT

±125

±250

±200 ±300

±250 ±400

±350 ±500

±600

mV pk

RECOVERY

200

µs

STEP LINE RESP.

16 40 16 VDC

TRANSIENT

±300

±200 ±300

±400 ±500

±500 ±600

±500

mV pk

RECOVERY

300

µs

START-UP

DELAY

1.4

OVERSHOOT

FULL LOAD

120

150

mV pk

NO LOAD

150

250

120

600

150

750

TYPICAL CHARACTERISTICS

SYNC AND INHIBIT

RECOMMENDED OPERATING CONDITIONS

ABSOLUTE MAXIMUM RATINGS

Input Voltage

· 16 to 40 VDC

Output Power

· 25 to 30 watts depending on model

Lead Soldering Temperature (10 sec per pin)

· 300°C

Storage Temperature Range (Case)

· 65°C to +135°C

Output Voltage Temperature Coefficient

· 100 ppm/°C typical single and dual outputs
· 200 ppm/°C main, 300 ppm/°C aux

triple output

Input to Output Capacitance

· 50 pF typ. (100 pF typ triple outputs)

Current Limit

· 115% of full load typical

Isolation

· 100 megohm minimum at 500 V

Audio Rejection

· 40 dB typ (50 dB typ triple output)l

Conversion Frequency

· Free run 550 min, 600 typ, 650 max kHz
· External sync 500 to 675 kHz

Inhibit Pin Voltage (unit enabled)

· 9 to 11 V

Input Voltage Range

· 16 to 40 VDC continuous
· 50 V for 50 msec transient

Case Operating Temperature (Tc)

· 55°C to +100°C full power
· 55°C to +115°C absolute

Derating Output Power/Current

· Linearly from 100% at 100°C to 0% at 115°C

Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.

Sync (500 to 675 kHz)

· Duty cycle 40% min, 60% max
· Logic low 0.8 V max
· Logic high 4.5 V min, 5 V max
· Referenced to input common
· If not used, connect to input common

Inhibit TTL Open Collector

· Logic low (output disabled)

Voltage

0.8 V

Inhibit pin current 8.0 mA max

· Referenced to input common
· Logic high (output enabled)

Open collector

Notes
1. Tc = 55°C to +100°C
2. Operation is limited below 16V.
3. Indefinite short circuit protection not guaranteed above 100°C case.

4. Recovery time is measured from application of the transient to point at which

Vout is within 1% of final value.

5. Transition time

10 µs.

MFC SERIES

UP TO 30 WATTS

ILTERED

ONFIGURABLE

DC/DC C

ONVERTERS

30 Watt Dual Output Modules

DUAL OUTPUT MODULES

05D

12D

15D

PARAMETER

CONDITIONS

MIN TYP MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

OUTPUT VOLTAGE

OUT

4.95

5.00

5.05

11.88

12.00

12.12 14.85

15.00

15.15

VDC

OUT

4.92

5.00

5.07

11.82

12.00

12.18

14.77

15.00

15.23

OUTPUT CURRENT

1, 2

= 16 TO 40 VDC

2.5

4.5

1.25

2.25

1.0

1.8

OUTPUT POWER

1, 2

= 16 TO 40 VDC

OUTPUT RIPPLE

10 kHz - 2 MHz

mV p-p

VOLTAGE +/ V

OUT

Tc = 55°C TO +125°C

120

LINE REGULATION

OUT

= 16 TO 40 VDC

OUT

100

120

150

Tc = 55°C +V

OUT

TO +125°C

OUT

100

150

180

LOAD REGULATION

OUT

NO LOAD TO FULL

OUT

120

150

Tc = 55°C

OUT

TO +125°C

OUT

100

180

CROSS REGULATION

SEE NOTE 4

8.3

EFFECT ON V

OUT

SEE NOTE 5

INPUT VOLTAGE

CONTINUOUS

VDC

NO LOAD TO FULL

TRANSIENT 50 ms

INPUT CURRENT

NO LOAD

FULL LOAD

1.10

1.34

1.29

INHIBITED

INPUT RIPPLE

CURRENT

10 kHz - 10 MHz

mA p-p

EFFICIENCY

LOAD FAULT

POWER DISSIPATION

SHORT CIRCUIT

RECOVERY

1.4

5.0

1.4

5.0

1.4

5.0

STEP LOAD 50

100 50% BALANCED

RESPONSE ± V

OUT

TRANSIENT

±200

±300

±150

±300

±200

±400

mV pk

RECOVERY

100

200

100

200

100

200

µs

STEP LINE

16 40 16 V

RESPONSE ± V

OUT

TRANSIENT

±200

±400

±200

±400

±500

mV pk

RECOVERY

300

µs

STARTUP

DELAY

1.4

OVERSHOOT

FULL LOAD

120

150

mV pk

NO LOAD

250

120

600

150

750

Electrical Characteristics: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified.

Notes
1. Tc = 55°C to +100°C.
2. Up to 90% of the total output current/power is available from either output

providing the positive output is carrying at least 10% of the total output
power.

3. Operation is limited below 16 V (see Figure 21).

out

20% to 80%; P

out

80% to 20%

5. Effect on the negative output under the following conditions:

out

50%; P

out

10% to 50%

6. Indefinite short circuit protection not guaranteed above 100°C case.
7. Recovery time is measured from application of the transient to point at which

Vout is within 1% of final value.

8. Transition time

10 µs.

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