Rev.03.08.07

bxa40s

2 of 4

Embedded Power for

Business-Critical Continuity

All specifications are typical at nominal input, full load at 25

Specifications

EMC CHARACTERISTICS

Conducted emissions

EN55022, FCC part 15,

Level B

(See Notes 4 and 13)

Radiated emissions

EN55022, FCC part 15

Level A

ESD air

EN61000-4-2, level 3

Perf. criteria 1

ESD contact

EN61000-4-2, level 4

Perf. criteria 1

Surge

EN61000-4-5, level 3

Perf. criteria 1

Fast transients

EN61000-4-4, level 3

Perf. criteria 1

Radiated immunity

EN61000-4-3, level 3

Perf. criteria 1

Conducted immunity

EN61000-4-6, level 3

Perf. criteria 1

GENERAL SPECIFICATIONS

Efficiency

See table

Isolation voltage

Input/output

1500 Vdc

Input/case

1500 Vdc

Switching frequency

Fixed

350 kHz typ.

Approvals and

EN60950, UL1950

standards

CSA C22.2 No. 950

Case material

Aluminum substrate

with plastic case

Material flammability

UL94V-0

Weight

85 g (3.0 oz)

MTBF

MIL-HDBK-217F

500,000 hours

Size

2.2 x 2.2 x 0.5 inches

55.9 x 55.9 x 12.7 mm

ENVIRONMENTAL SPECIFICATIONS

Thermal performance

Baseplate operating

-40 °C to +105 °C

temperature

Non-operating

-55 °C to +105 °C

Thermal impedance

No air flow, no heatsink

8.5 °C/W

(See Note 6)

No air flow, with heatsink

7.2 °C/W

OUTPUT SPECIFICATIONS

Voltage adjustability

±10%

Line regulation

Low line to high line

±0.3%

Load regulation

Full load to no load

±1.0%

Ripple and noise

2.9 V and 3.3 V

30 mV pk-pk

(20 MHz bandwidth)

5 V

50 mV pk-pk

12 V

100 mV pk-pk

All models

20 mV rms

Temperature coefficient

±0.02%/°C

Overvoltage protection

(See Note 9)

135% Vout

Short circuit protection

(See Note 10)

Continuous

Transient response

25% to 100% load

4.0%

(See Note 11)

Voltage accuracy

±1.0% ≤5 V, ±2.0% ≥12 V

Remote sense

Compensated line drops

(See Note 8)

up to 0.5 V on 5 V models

Compensated line drop up to

300 mV on 2.9 V and 3.3 V models

INPUT SPECIFICATIONS

Input voltage range

24 Vin nominal

18-36 Vdc

48 Vin nominal

36-75 Vdc

Reverse voltage

(See Note 5)

protection

Max. input rise and

48 V

5 V/ms

fall time

ETS300-132

Start-up time

30 ms typ.

Remote ON/OFF

Logic compatibility

CMOS/TTL

ON

Open-circuit

OFF

<1 Vdc