ABSOLUTE MAXIMUM RATINGS

TYPICAL CHARACTERISTICS

INHIBIT

RECOMMENDED OPERATING CONDITIONS

B2-82

MGA SERIES

5 WATT

Output Voltage Temperature Coefficient

• 100 ppm/°C typ, 150 ppm/C max

Current Limit

• 115% of full load typical

Isolation

• Input to output

• Any pin to case except case pins

• 100 megohm minimum at 500 V

Conversion Frequency

• 500 kHz typical

450 kHz. min, 600 kHz max

Inhibit Pin Voltage (unit enabled)

• 9 to 11 V

Input Voltage Range

• 16 to 40 VDC continuous

• 50 V for up to 50 msec transient

Case Operating Temperature (Tc)

• –55°C to +125°C full power

• –55°C to +135°C absolute

Derating Output Power/Current (Tc)

• Linearly from 100% at 125°C to 0% at 135°C

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

Inhibit: TTL Open Collector

• Logic low (output disabled)

Logic low voltage

≤0.8 V

• Referenced to input common

• Logic high (output enabled)

Open collector

Input Voltage

• 16 to 40 V

Output Power

• 5 watts

Lead Soldering Temperature

• Reflow 220°C 30 sec. max

SN60, 62 or 63 recommended solder

• Hand solder 300°C 10 sec. max. per lead

Storage Temperature Range (Case)

• –65°C to +150°C

SINGLE OUTPUT MODELS

MGA2805S

MGA2812S

MGA2815S

PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

OUTPUT VOLTAGE

4.95

5.0

5.05

11.88

12

12.12

14.85

15

15.15

VDC

OUTPUT CURRENT

0

—

1000

0

—

417

0

—

333

mA

OUTPUT POWER

—

—

5

—

—

5

—

—

5

W

OUTPUT RIPPLE

10 kHz - 2 MHz

—

250

450

—

100

500

—

100

600

mV p-p

LINE REGULATION

—

10

50

—

10

50

—

10

50

mV

LOAD REGULATION

NO LOAD TO FULL

—

10

50

—

10

50

—

10

50

mV

INPUT VOLTAGE

CONTINUOUS

16

28

40

16

28

40

16

28

40

VDC

NO LOAD TO FULL

TRANSIENT 50 ms

—

—

50

—

—

50

—

—

50

V

INPUT CURRENT

NO LOAD

—

27

60

—

29

60

—

31

60

FULL LOAD

—

—

279

—

—

263

—

—

259

mA

INHIBITED

—

3

4

—

3

4

—

3

4

INPUT RIPPLE

Tc = 25°C

—

50

200

—

50

200

—

50

200

mA p-p

10 kHz - 10 MHz

Tc = –55°C to +125°C

—

75

300

—

75

300

—

75

300

EFFICIENCY

64

69

—

68

74

—

69

74

—

%

SHORT CIRCUIT

POWER DISS.

—

1.5

2.0

—

1.2

1.9

—

1.2

1.8

W

RECOVERY

—

10

75

—

10

30

—

10

30

ms

STEP LOAD

50% – 100% – 50% LOAD

TRANSIENT

–500

200

500

–750

300

750

–1000

400

1000

mV pk

—

200

500

—

400

1000

—

400

1000

µs

STEP LINE

16 – 40 – 16 VDC

TRANSIENT

–500

100

500

–800

200

800

–500

100

500

mV pk

—

.4

1.0

—

0.5

1.3

—

0.5

1.3

ms

START-UP

OVERSHOOT

0

0

200

0

0

500

0

0

500

mV pk

DELAY

0

10

75

0

10

30

0

10

30

ms

INHIBIT PIN

CURRENT

INHIBITED

—

2.5

4.0

—

2.5

4.0

—

2.5

4.0

mA

CAPACITANCE

INPUT TO OUTPUT

—

50

—

—

40

—

—

60

—

pF

CAPACITIVE LOAD

—

—

300

—

—

500

—

—

500

µF

Notes

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

2. Load transient transition time is >10 µs.

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

which Vout is within regulation.

4. Input step transition time is >10µs.