參數(shù)資料
型號： BXB50
英文描述： 33-50W Wide Input DC/DC Converters
中文描述： 33 - 50瓦寬輸入DC / DC轉(zhuǎn)換器
文件頁數(shù)： 1/3頁
文件大?。?/td> 71K
代理商： BXB50
DC/DC CONVERTERS 33-50W Wide Input DC/DC Converters
1
2 YEAR WARRANTY
BXB50 Series
S i n g l e o u t pu t
Industry standard footprint
MTBF >1.4 million hours (Bellcore 332)
Input voltage to ETS300-132-2
Adjustable output voltage
No minimum load required
Separate case ground pin
2:1 input range for battery powered applications
Undervoltage lockout (UVLO)
UL, VDE and CSA safety approvals
The BXB50 Series are high power density DC/DC converters packaged in the industry
standard footprint (2.40 x 2.28 x 0.50 inches) to give designers optimum choices when
specifying for both new and replacement designs. Suitable for a wide range of
applications in nearly any industry, the BXB50 was particularly designed with
communication and distributed power applications in mind. Using Bellcore 332, the
MTBF is greater than 1,400,000 hours. Aluminum baseplate technology with four
threaded M3 inserts makes heatsink attachment and optimum thermal management
easy. The BXB50 series are approved to IEC950 by UL, CSA and VDE.
All specifications are typical at nominal input, full load at 25°C unless otherwise stated
INPUT SPECIFICATIONS CONTINUED
Undervoltage lockout
24Vin: power up
24Vin: power down
48Vin: power up
48Vin: power down
Power up
Remote ON/OFF
17V
16V
34V
32.5V
20ms
20ms
Start-up time
(See Note 8)
EMC CHARACTERISTICS
Conducted emissions
(See Note 3)
Bellcore 1089
FCC part 15
EN55022, CISPR22
Level A
Level A
Level A
GENERAL SPECIFICATIONS
Efficiency
See table
Isolation voltage
Input/case
Input/output
Output/case
1500VDC
1500VDC
1500VDC
Switching frequency
Fixed
500kHz typ.
Approvals and
standards (See Note 5)
VDE0805, EN60950, IEC950
UL1950, CSA C22.2 No. 950
Case material
Aluminum baseplate with plastic case
Material flammability
UL94V-0
Weight
110g (3.88oz)
MTBF
Bellcore 332
MIL-HDBK-217F
@ 40°C, 100% load
1,400,000 hours
580,000 hours
min.
ENVIRONMENTAL SPECIFICATIONS
Thermal performance
Operating case temp. -40°C to +100°C
Non-operating
-55°C to +125°C
Altitude
Operating
Non-operating
10,000 feet max.
40,000 feet max.
Vibration
5Hz to 500Hz
2.4G rms (approx.)
OUTPUT SPECIFICATIONS
Voltage adjustability
60% to 110%
Set point accuracy
±1.0%
Line regulation
Low line to high line
±0.05%
Load regulation
Full load to min. load
±0.10%
Minimum load
0%
Overshoot
At turn-on and turn-off
None
Undershoot
None
Ripple and noise
(5Hz to 20MHz)
(See Note 1)
3.3V and 5V
75mV pk-pk,
20mV rms
100mV pk-pk,
30mV rms
12V and 15V
Temperature coefficient
±0.01%/°C
Transient response
(See Note 2)
±2.0% max. deviation
170μs recovery
to within ±1.0%
Remote sense
0.5VDC transmission
line drop compensation
INPUT SPECIFICATIONS
Input voltage range
24Vin nominal
48Vin nominal
18 to 36VDC
36 to 75VDC
Input current
No load
Remote OFF
100mA max.
20mA max.
Input current (max.)
(See Note 4)
48V models
3.5A max. @ Io max.
and Vin = 0 to 75V
Input reflected ripple
(See Note 6)
5mA pk-pk
Active low remote ON/OFF
Logic compatibility
ON
OFF
(See Note 7)
Open collector ref to -input
1.2VDC max.
Open circuit
SPECIFICATIONS
File Name: BXB50S.PDF Rev: 02 Oct 2002
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