Page 1 of 4 Issued Date：2008/06/12

OUTPUT SPECIFICATIONS

Output power

40 Watts, max.

Voltage accuracy FL and nominal Vin

Single / Dual

Triple Main

Auxiliary

± 1%

± 1%

± 5%

Minimum load (Note 6)

See Table

Voltage adjustability (Note 7)

Single and Dual output only

(not including Dual Positive and triple)

± 10%

Line regulation LL to HL at Full Load

Single/Dual

Triple(main)

Triple(auxiliary)

± 0.5%

± 1%

± 5%

Load regulation

(Note 8)

Min. Load to Full Load

Single

Dual

Triple Main

Auxiliary

± 0.5%

± 1%

± 2%

± 5%

Load cross regulation

(Note 9)

Triple(main)

Dual/Triple(auxiliary)

± 1%

± 5%

Ripple and noise

(Note 10)

20MHz bandwidth

(Measured with a 0.1μF/50V MLCC)

See table

Temperature coefficient

±

0.02% / ºC, max.

Transient response recovery time

25% load step change

250μS

Over voltage protection

Zener diode clamp

1.5V output

1.8V output

2.5V output

3.3V output

5V output

12V output

15V output

3.9VDC

3.9VDC

3.9VDC

3.9VDC

6.2VDC

15VDC

18VDC

Over load protection

% of FL at nominal input

150%, max.

Short circuit protection

Hiccup, automatics recovery

GENERAL SPECIFICATIONS

Efficiency

See table

Isolation voltage

Input to Output

Input(Output) to Case

1600VDC, min.

1600VDC, min.

Isolation resistance

10

9

ohms, min.

Isolation capacitance

1000pF, max.

Switching frequency (Note 11)

300KHz, typ.

Approvals and standard

IEC60950-1, UL60950-1, EN60950-1

Case material

Nickel-coated copper

Base material

FR4 PCB

Potting material

Epoxy (UL94-V0)

Dimensions

2.00 X 2.00 X 0.40 Inch

(50.8 X 50.8 X 10.2 mm)

Weight

60g (2.11oz)

MTBF (Note 1)

BELLCORE TR-NWT-000332

MIL-HDBK-217F

1.398 x 10

3.585 x 10

INPUT SPECIFICATIONS

Input voltage range

12V nominal inpu

24V nominal input

48V nominal input

9 – 18VDC

18 – 36VDC

36 – 75VDC

Input filter

L-C type

Input surge voltage

100mS max

12V input

24V input

48V input

36VDC

50VDC

100VDC

Input reflected ripple current

Nominal Vin and full load

40mAp-p

Start up time

Nominal Vin and

constant resistive load

Powe up

Remote ON/OFF

25mS, typ.

25mS, typ.

Start-up voltage

12V input

24V input

48V input

9VDC

17.8VDC

36VDC

Shutdown voltage

12V input

24V input

48V input

8VDC

16VDC

34VDC

Remote ON/OFF (Note 12)

(Positive logic)

DC-DC ON

DC-DC OFF

Open or 3.5V < Vr < 12V

Short or 0V < Vr < 1.2V

Input current of remote control pin

Nominal Vin

-0.5mA~+0.5mA

Remote off input current

Nominal Vin

2.5mA

ENVIRONMENTAL SPECIFICATIONS

Operating ambient temperature

-40ºC ~ +85ºC (with derating)

Maximum case temperature

+100ºC

Storage temperature range

-55ºC ~ +105ºC

Over temperature protection

115ºC, typ

Thermal impedance

(Note 13)

Nature convection

Heat-sink with 20LFM

Heat-sink with 500LFM

9.2ºC/Watt

7.6ºC/Watt

2.8ºC/Watt

Thermal shock

MIL-STD-810F

Vibration

MIL-STD-810F

Relative humidity

5% to 95% RH

EMC CHARACTERISTICS

EM I (Note 14)

EN55022

Class A

ESD

EN61000-4-2

Air

Contact

±

8KV

±

6KV

Perf. Criteria B

Radiated immunity

EN61000-4-3

10 V/m

Perf. Criteria A

Fast transient (Note 15) EN61000-4-4

±

2KV

Perf. Criteria B

Surge (Note 15)

EN61000-4-5

±

1KV

Perf. Criteria B

Conducted immunity

EN61000-4-6

10 Vr.m.s

Perf. Criteria A

FEATURES

(TOTAL OUTPUT CURRENT 8A) AND TRIPLE OUTPUT

DESCRIPTION

The FEC40 series offer 40 watts of output power from a 2 x 2 x 0.4 inch

package. The FEC40 series with 2:1 wide input voltage of

9-18VDC,18-36VDC and 36-75VDC and features 1600VDC of isolation,

short-circuit and over-voltage protection.

APPLICATIONS

Wireless Network

Telecom/Datacom

Industry Control System

Measurement Equipment

Semiconductor Equipment