BXF250 Series
S i n g l e o u t p u t
DC/DC CONVERTERS 90-165W Wide Input DC/DC Converters
2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
OUTPUT
POWER
(MAX.)
INPUT
OUTPUT
REGULATION
LINE LOAD
INPUT
OUTPUT
VOLTAGE
EFFICIENCY
(TYP.)
MODEL
OVP
CURRENT CURRENT
(7)
VOLTAGE
NUMBER
(MAX.)
7.0A
5.5A
4.6A
4.3A
(MAX.)
50A
165W
125W
100W
90W
36 to 75VDC 4.2VDC
36 to 75VDC 3.2VDC
36 to 75VDC 2.5VDC
36 to 75VDC 2.3VDC
3.3V
2.5V
2.0V
1.8V
79%
76%
72%
70%
±0.10% ±0.15%
±0.10% ±0.15%
±0.10% ±0.15%
±0.10% ±0.15%
BXF250-48S3V3L
BXF250-48S2V5L
BXF250-48S2V0L
BXF250-48S1V8L
50A
50A
50A
Notes
PROTECTION
1
Measured with 10µF tantalum capacitor and 1µF ceramic capacitor across
the output.
Short circuit protection
Overvoltage protection
Thermal protection
Continuous, automatic recovery
Latching
2
3
4
Iout = Inom; delta Iout = ±25% Iout (max), di/dt = 1A/µs.
Input fusing is required based on surge and maximum input current.
This product is only for inclusion by professional installers within other
equipment and must not be operated as a stand alone product.
Input reflected ripple current test set-up uses a Pi filter; 220µF, 12µH,
100µF.
110°C baseplate, automatic recovery
5
TELECOM SPECIFICATION
Central office interface A
6
7
Start-up into resistive load.
ETS300-132-2
Active high remote on/off is available (standard product is active low),
designate with the suffix ‘H’ e.g. BXF250-48S3V3H.
Units should be characterised within systems. External components and
filtering required.
8
PIN CONNECTIONS
EXTERNAL OUTPUT TRIMMING
PIN NUMBER
FEATURE
Power Good
Current Monitor
Parallel
Output can be externally
trimmed by using the
method shown.
5
1
2
3
4
5
6
TRIM
UP
RT1
OR
RT2
4
TRIM
DOWN
Trim Adjust
+ Sense
6
- Sense
International Safety Standard Approvals
VDE0805/EN60950/IEC950 File No. 10401-3336-0148
UL1950 File No. E136005
CSA C22.2 No. 950 File No. LR41062C
Please consult our website for the following items: ✔ Application Note
www.a rte s yn.com
File Name: BXF250.PDF Rev: 18 Oct 2000
ARTESYN [ ARTESYN TECHNOLOGIES ]
