BXA30 Series
Tr i p l e o u t p u t
DC/DC CONVERTERS 30W Wide Input DC/DC Converters
1
• Pin-compatible with BXA15 series
• Designed to meet telecom power supply interface
standard ETS300-132-2
• UL, CSA and VDE approvals
• VDE0878 and EN55022 conducted emissions level A
• EN61000-4-2, -3, -4, -5, -6 immunity compliant
• Fixed frequency operation at 350kHz
• MTBF in excess of 7,005,000 hours (demonstrated)
• Basic insulation system
The BXA30 triple output Series, comprising 2 different models, 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 two wide input voltage ranges, 18-36VDC and 36-75VDC.
Designed to meet ETSI telecoms interface standards ETS300-132-2 and BTR2511, together
with internal filtering to EN55022 level A, safety approval to EN60950 and UL1950, and basic
insulation of 1500VDC, the 48VDC model is ideal for telecommunications applications.
The 24V model is particularly suited to industrial, mobile telecom and test equipment
applications, featuring EN61000-4-2, -3, -4, -5 and -6 immunity compliant. Other features
include low output ripple, overvoltage protection, short circuit protection, remote enable.
2 YEAR WARRANTY
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
SPECIFICATIONS
OUTPUT SPECIFICATIONS
EMC CHARACTERISTICS
Output power
30W
Conducted emissions
EN55022, FCC part 15 (Note 3) Level A
EN55022, FCC part 15 (Note 4) Level B
Line regulation
(See Note 1)
Main output
±0.5%
±2.0%
VDE0878 (Note 3) (48V)
Level A
Auxiliary output
Radiated emissions
ESD air
ESD contact
Surge
Fast transients
Radiated immunity
Conducted immunity
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
Level A
Perf. criteria 2
Perf. criteria 2
Perf. criteria 2
Perf. criteria 2
Perf. criteria 2
Perf. criteria 2
Load regulation
(See Note 2)
Main output
Auxiliary output
±1.0%
±3.0%
Ripple and noise
(20MHz bandwidth)
Main output
75mV pk-pk
15mV rms
100mV pk-pk
20mV rms
Auxiliary outputs
GENERAL SPECIFICATIONS
Temperature coefficient
Overvoltage protection
Short circuit protection
±0.02% /°C
135% Vout init.
Yes
Efficiency
See table
Transient, all outputs
All outputs
Isolation voltage
Basic insulation
Input/output
Input/case, 48V models
1500VDC
1500VDC
(See BXA15/30 Design Note 101)
Switching frequency
Fixed
350kHz, nom.
Transient response
Voltage accuracy
25% to 100% load, all outputs
10%
Approvals and
standards
(See Note 11)
VDE0805, EN60950
EN41003, IEC950, UL1950
CSA C22.2 No. 950
Main output
Auxiliary output
±1.5%
±3.0%
Load cross regulation
20% to 100% load
Main: output
Auxiliary: output
50% to 100% load, main, >20% aux.
Main output
Auxiliary output
1.0%
10%
Case material
Aluminum substrate
with plastic case
1.0%
4.0%
Material flammability
Weight
UL94V-0
130g (4.6oz)
Minimum load
(See Note 10)
Main output for auxiliary
regulation
>10%
MTBF (See Note 9)
Demonstrated @ 25°C 7,005,000 hours
INPUT SPECIFICATIONS
ENVIRONMENTAL SPECIFICATIONS
Input voltage range
24Vin nominal
48Vin nominal
18 to 36VDC
36 to 75VDC
Thermal performance
Baseplate operating
temperature,
(See Notes 5, 7)
Non-operating
-25°C to +100°C
Reverse voltage prot.
(See Note 6)
48V
Yes
-55°C to +100°C
6.5°C/W
Max. input rise and
fall time
5V/ms
ETS300-132
Thermal impedance
Free air convection,
baseplate to air
With heatsink (See Note 7)
Remote ON/OFF
Logic compatibility
CMOS/TTL
Open circuit
<1VDC
5.2°C/W
ON
OFF
File Name: BXA30T.PDF Rev: 02 Oct 2002
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