RECOMMENDED

OPERATING CONDITIONS

DERATING

ABSOLUTE MAXIMUM RATINGS

Input Voltage

• 0 to 40 VDC continuous

Lead Soldering Temperature (10 sec per lead)

• 300°C

Storage Temperature Range (Case)

• –55°C to +135°C

Isolation

• 100 megohm minimum at 500 V

• Any pin to case (except case pin)

B5-4

FM-461 EMI FILTER

1.75 TO 5 AMP

Input Voltage Range

• 0 to 40 VDC continuous

Case Operating Temperature (Tc)

• –55°C to +85°C full power

• –55°C to +125°C absolute

Electrical Characteristics: 25°C Tc, nominal Vin, unless otherwise specified.

FM-461

FMA-461

FMB-461

PARAMETER

CONDITION

MIN

TYP

MAX

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

INPUT VOLTAGE

CONTINUOUS

0

28

40

0

28

40

0

28

40

VDC

INPUT CLAMPING

–55°C

38.9

43.2

47.5

38.9

43.2

47.5

38.9

43.2

47.5

VOLTAGE

+25°C

42.3

47.0

51.7

42.3

47.0

51.7

42.3

47.0

51.7

VDC

+125°C

44.9

49.9

54.8

44.9

49.9

54.8

44.9

49.9

54.8

INPUT CURRENT

DC

—

—

1.75

—

—

3.8

—

—

5.0

A

RIPPLE

—

—

0.67

—

—

1.0

—

—

1.2

A rms

NOISE

REJECTION

15 kHz - 50 MHz

—

40

—

—

40

—

—

40

—

dB

DC RESISTANCE

STEADY STATE

—

0.38

0.42

0.07

0.10

0.15

0.07

0.09

0.10

Ω

CAPACITANCE

ANY PIN TO CASE

1900

—

2200

3700

—

4400

6450

—

8000

pF

STEADY STATE

VDC

OUTPUT CURRENT

STEADY STATE

—

—

1.75

—

—

3.8

—

—

5.0

A

POWER

DISSIPATION

MAX. CURRENT

—

—

1.3

—

—

1.6

—

—

2.5

W

Note

1. Typical applications result in Vout within 2% of Vin.

Input Voltage

Derate linearly from 100% at 85°C case to

the 33 VDC at 125°C case

Input Ripple Current

Derate linearly from 100% at 85°C case to

the following at 125°C case

270 mA rms FM-461

400 mA rms FMA-461

480 mA rms FMB-461

DC Input and Output Current

Derate linearly from 100% at 85°C case to

the following at 125°C case

750 mA FM-461

1.7 A FMA-461

1.7 A FMB-461

x2

0.1

F

0.01 F

0.001 F

4.7

F

150

47 pF

1000 pF

50

1000 pF

500 V

Positive

Input

Input

Common

Positive

Output

Output

Common

FM-461

469

H

2.4

H