BXA40 Series
•
•
•
•
•
•
•
The BXA40-48T05-12-M provides 40 Watts of output power, has been conceived as an
applications-specific range of DC/DC converters, specifically addressing
telecommunications, industrial electronics, test equipment, mobile telecommunications
and distributed power applications. The series offers a wide input voltage range, of 36-
75VDC, and is available with a 5/±12V triple output. The BXA40 series is designed to
meet ETSI telecoms interface standard ETS300-132-2. With safety approval to IEC950
and basic insulation, the 48VDC model is ideal for telecommunications applications.
Other features include low output ripple, overvoltage protection, short circuit protection
and remote enable.
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
DC/DC CONVERTERS
OUTPUT SPECIFICATIONS
Line regulation
(See Note 2)
Load regulation
(See Note 3)
Load cross regulation
(See Note 4)
Ripple and noise
(20MHz bandwidth)
Temperature coefficient
Overvoltage protection
transorbs fitted
Short circuit protection
(See Note 5)
Transient response
Voltage accuracy
Minimum Load
INPUT SPECIFICATIONS
Input voltage range
Reverse voltage
protection
Max. input rise and
fall time
Start-up time
Remote ON/OFF
Logic compatibility
ON
OFF
Meets telecom power supply interface standard
ETS300-132-2
EN60950, CSA950 and UL1950 safety approvals
EN61000-4-2, -3, -4, -5, -6 immunity compliant
Fixed frequency operation at 400kHz
MTBF in excess of 500,000 hours
Basic insulation system with 1500V isolation
Pin-compatible with NFC40 Series
Main output
Auxiliary output
Main output
Auxiliary output
Main output
Aux. output
Main output
Auxiliary output
Main output
Auxiliary outputs
Main output
Auxiliary output
25% to 100% load
Main output
Auxiliary output
Main output
Auxiliary outputs
48Vin nominal
External fuse
T r i p l e o u t p u t
40W Wide Input DC/DC Converters
±3.0% typ., ±5.0% max.
100mV pk-pk,
16/20V (nom.)
50mV pk-pk,
36 to 75VDC
0.03A/0.04A
(See Note 7)
ETS300-132
Open-circuit
±5.0% max.
±3.0% typ.,
6.8V (nom.)
±0.02%/°C
CMOS/TTL
20mV rms
20mV rms
30ms typ.
<1VDC
±0.5%
±2.0%
±1.0%
±1.0%
±1.0%
±3.0%
5V/ms
4.0%
0.6A
11A
5A
EMC CHARACTERISTICS
Conducted emissions
Radiated emissions
ESD air
ESD contact
Surge
Fast transients
Radiated immunity
Conducted immunity
GENERAL SPECIFICATIONS
Efficiency
Isolation voltage
Switching frequency
Approvals and
standards (pending)
Case material
Material flammability
Weight
MTBF
Size
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Thermal impedance
(See Note 8)
EN55022, FCC part 15,
(See Notes 6, 9)
EN55022, FCC part 15
EN61000-4-2, level 3
EN61000-4-2, level 4
EN61000-4-5, level 3
EN61000-4-4, level 3
EN61000-4-3, level 3
EN61000-4-6, level 3
Input/output
Basic insulation, input/case
Fixed
MIL-HDBK-217F
Baseplate operating
temperature
Non-operating
No air flow, no heatsink
No air flow, with heatsink
File Name: BXA40T.PDF Rev: 02 Oct 2002
SPECIFICATIONS
55.9 x 55.9 x 12.7 mm
2.2 x 2.2 x 0.5 inches
2 YEAR WARRANTY
Aluminum substrate
CSA C22.2 No. 950
EN60950, UL1950
-40°C to +105°C
-55°C to +105°C
with plastic case
400kHz (typical)
85g typ. (3.0oz)
500,000 hours
Perf. criteria 1
Perf. criteria 1
Perf. criteria 1
Perf. criteria 1
Perf. criteria 1
Perf. criteria 1
1500VDC
1500VDC
UL94V-0
8.5°C/W
7.2°C/W
Level B
Level A
83%
1