BXF400 Series
DC/DC CONVERTERS
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Single output
264W Wide Input DC/DC Converters
1
Industry standard footprint
Adjustable output voltage with output currents of 80A
No minimum load required
2:1 input range for battery powered applications
Undervoltage lockout (UVLO)
Overvoltage and overcurrent protection
Synchronisable and parallelable with load sharing
Overtemperature and short circuit protection
Current monitor and power good signal
Remote ON/OFF
Available RoHS compliant
BXF400 Series high power density DC/DC converters can provide up to 80A output
current and have an industry-standard footprint, measuring just 2.40 x 4.60 x 0.52 inches.
These converters have the highest output current rating of any comparably-sized
products on the market, are equally suitable for new designs or as replacement power
sources in existing equipment. BXF400 Series converters are designed specifically for
redundant and distributed power systems in the computer and telecommunications
sectors, but their feature-rich specifications make them suitable for a very wide range of
applications. Using Bellcore 332, the MTBF is over 1,000,000 hours. Aluminium baseplate
technology and four threaded M3 inserts make heatsink attachment and thermal
management easy. The BXF400 Series is approved by UL, CSA and VDE.
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
2 YEAR WARRANTY
SPECIFICATIONS
OUTPUT SPECIFICATIONS
Voltage adjustability
Set point accuracy
Line regulation
Load regulation
Minimum load
Overshoot
Undershoot
Ripple and noise
Temperature coefficient
Transient response
Remote sense
INPUT SPECIFICATIONS
Input voltage range
Input current
Input current (max.)
Input reflected ripple
48Vin nominal
No load
Remote OFF
(See Note 3)
(See Note 5)
36 to 75VDC
100mA max.
20mA max.
12A max.
35mA pk-pk
Recovery time (See Note 2)
Peak deviation
At turn-on and turn-off
5Hz to 20MHz (See Note 1)
Model specific
±0.5% typ., ±1.6% max.
Low line to high line
Full load to min. load
±0.10% typ.
±0.15% typ.
0%
0V
0V
20mV
±0.01%/°C
500µs
500mV
EMC CHARACTERISTICS
Conducted emissions
(See Note 7)
Bellcore 332
FCC part 15
EN55022, CISPR22
Level A
Level A
Level A
GENERAL SPECIFICATIONS
Efficiency
Isolation voltage
Input/case
Input/output
Output/case
Fixed
See table
1500VDC
1500VDC
1500VDC
850kHz typ.
VDE0805, EN60950, IEC950
UL1950, CSA C22.2 No. 950
Aluminium baseplate
and plastic casing
UL94V-0
200g (7.06oz)
Bellcore 332
MIL-HDBK-217F
@ 40°C, 100% FL
>1,000,000 hours
>200,000 hours
Switching frequency
Approvals and
standards (See Note 4)
Case material
Material flammability
Weight
MTBF
0.5VDC transmission
line drop compensation
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Altitude
Operating case temp. -40°C to +100°C
-55°C to +125°C
Non-operating
Operating
Non-operating
5Hz to 500Hz
10,000 feet max.
40,000 feet max.
2.4G rms (approx.)
Active low remote ON/OFF
Logic compatibility
ON
OFF
Undervoltage lockout
Start-up time
(See Note 6)
48Vin: power up
48Vin: power down
Power up
Remote ON/OFF
1.2VDC max.
Open circuit
34.8V
33.1V
15ms
13ms
Vibration
File Name: bxf400.pdf Rev: 30 Mar 2006
BXF400 Series
DC/DC CONVERTERS
OUTPUT
POWER
(MAX.)
264W
Notes
1
2
3
4
5
6
7
8
Single output
264W Wide Input DC/DC Converters
2
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
INPUT
VOLTAGE
48VDC
OUTPUT
VOLTAGE
3.3V
INPUT
OUTPUT
CURRENT CURRENT
(MAX. LOAD)
(MAX.)
7.0A
80A
EFFICIENCY
(TYP.)
78%
REGULATION
LINE
±0.10%
LOAD
±0.15%
MODEL
NUMBER
(8)
BXF400-48S3V3LJ
OVP
3.8 VDC
PROTECTION
Short circuit protection
Overvoltage protection
Undervoltage protection
Thermal protection
TELECOM SPECIFICATION
Central office interface A
ETS300-132-2
Continuous, automatic recovery
Latching
Non-latching
110°C baseplate,
automatic recovery
Measured with 10µF tantalum capacitor and 1µF ceramic capacitor across
the output.
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.
Start-up into resistive load.
Units should be characterised within systems. External components and
filtering required.
The ‘J’ suffix indicates that these parts are Pb-free (RoHS 6/6) compliant.
TSE RoHS 5/6 (non Pb-free) compliant versions may be available on
special request, please contact your local sales representative for details..
PIN CONNECTIONS
PIN NUMBER
1
2
3
4
5
6
FEATURE
Power Good
Current Monitor
Parallel
Trim Adjust
+ Sense
- Sense
EXTERNAL OUTPUT TRIMMING
Output can be externally
trimmed by using the
method shown.
8
TRIM
UP
7
TRIM
DOWN
6
RT1
OR
RT2
International Safety Standard Approvals
VDE0805/EN60950/IEC950 File No. 10401-3336-0148
UL1950 File No. E136005
CSA C22.2 No. 950 File No. LR41062C
File Name: bxf400.pdf Rev: 30 Mar 2006
BXF400 Series
DC/DC CONVERTERS
Single output
264W Wide Input DC/DC Converters
3
For the most current data and application support visit www.artesyn.com/powergroup/products.htm
TOP VIEW
WITH OVERALL DIMENSIONS
2.40 2.00
(61.0) (50.8)
THREADED
INSERTS
M3 x 0.5
THROUGH
4 PLACES
4.20 (106.7)
4.60 (116.8)
SIDE VIEW
0.53 (13.5)
0.00 (0.0)
0.20 (5.1) MIN.
2.600 (66.04)
All dimensions in INCHES (mm).
Tolerance: x.xx
±0.02in.
(0.51mm).
x.xxx
±0.010in.
(0.254mm).
0.040
±
0.002 (1.02
±
0.05) DIA.
3 PLACES
BOTTOM VIEW
PIN DETAILS
0.062
±
0.002 (1.57
±
0.05) DIA.
11 PLACES
2 4 6
CASE
S2
S1
PRI ENABLE
VIN-
VIN+
0.040
±
0.002 (1.02
±
0.05) DIA.
6 PLACES
BOTTOM VIEW
DIMENSIONAL DETAILS
1.70 (43.2)
1.50 (38.1)
1.20 (30.48)
0.900 (22.86)
0.700 (17.78)
0.500 (12.70)
0.300 (7.62)
0.000 (0.00)
0.500 (12.70)
0.70 (17.8)
0.000 (0.00)
0.20 (5.1)
2.600 (66.04) 4.20 (106.7)
4.40 (111.8)
0.100 (2.54)
2 4 6
1 3 5
0.100 (2.54)
5 PLACES
0.200 (5.08)
7 PLACES
0.000 (0.00)
0.50 (12.7)
1.50 (38.1)
1
3 5
VOUT-
VOUT-
VOUT-
VOUT-
VOUT+
VOUT+
VOUT+
VOUT+
All dimensions in INCHES (mm).
Tolerance: x.xx
±0.02in.
(0.51mm).
x.xxx
±0.010in.
(0.254mm).
Datasheet © Artesyn Technologies® 2006
The information and specifications contained in this datasheet are believed to be correct at time of publication. However, Artesyn Technologies accepts no responsibility for consequences arising
from printing errors or inaccuracies. Specifications are subject to change without notice. No rights under any patent accompany the sale of any such product(s) or information contained herein.
Please consult our website for the following items:
Application Note
www.artesyn.com
File Name: bxf400.pdf Rev: 30 Mar 2006
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