BXB75-48D3V3-2V5FH Emerson Network Power, BXB75-48D3V3-2V5FH Datasheet - Page 2

• Manufacturer Part Number: BXB75-48D3V3-2V5FH
• Description: CONV DCDC 3.3/2.5VOUT 75W ACTVHI
• Manufacturer: Emerson Network Power
• Series: BXB75r
• Type: Isolated with UVLOr

Specifications of BXB75-48D3V3-2V5FH

• Rohs Status: RoHS non-compliant
• Output: 3.3V, 2.5V
• Number Of Outputs: 2
• Power (watts): 60W
• Mounting Type: Through Hole
• Voltage - Input: 36 ~ 75V
• Package / Case: 10-DIP Module
• 1st Output: 3.3 VDC @ 15A
• 2nd Output: 2.5 VDC @ 15A
• Size / Dimension: 2.40" L x 2.28" W x 0.50" H (61mm x 57.9mm x 12.7mm)
• Power (watts) - Rated: 60W
• Operating Temperature: -40°C ~ 100°C
• Efficiency: 74%
• Approvals: CSA, CUL, UL, VDE
• 3rd Output: -
• 4th Output: -
• Other names: BXB75-48D3V32V5FH

BXB75 Series
Notes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
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OUTPUT
DC/DC CONVERTERS
POWER
(MAX.)
Measured with 10µF tantalum capacitor and 0.1µF ceramic capacitor
across output.
di/dt = 1A/1µs, Vin = 48VDC, Tc = 25°C, load change = 0.5 lo max. to 0.75
lo max. and 0.75 lo max. to 0.5 lo max.
Units should be characterised within systems. External components
required.
Input fusing is recommended based on surge current 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.
Simulated source impedance of 12
Option with active high remote on/off (standard product is active low) is
available. Designate with the suffix ‘FH’, e.g. BXB75-48D05-3V3FH.
BXB75-48D3V3-2V5FH is not available.
Start-up in resistive load.
5V at 15A.
Measured with 15A load on 3.3V output and 5A load on 2.5V output.
Numbers in brackets refer to output 1.
Combined maximum output current that may be drawn from both channels
simultaneously is 20A (i.e. current from OP1 + current from OP2).
Connect input to case when performing hipot test from output to case.
1A minimum load required on the higher voltage output.
60W
75W
NUMBER
36-75VDC 4.0/3.0VDC
36-75VDC 6.0/4.0VDC
VOLTAGE
INPUT
PIN
10
1
2
3
4
5
6
7
8
9
PIN CONNECTIONS
D u a l o u t p u t
60-75W Wide Input DC/DC Converters
OVP
µ
H.
OP1
3.3V
5V
VOLTAGE
OUTPUT
Remote ON/OFF
FUNCTION
OP1 Return
OP2 Return
OP2
2.5V
3.3V
OP1 Trim
OP2 Trim
Case
+ Vin
- Vin
OP1
OP2
CURRENT
(MIN.)
OUTPUT
1A
1A
(14)
CURRENT
(MAX.)
OUTPUT
15A
15A
PROTECTION
Short circuit protection
Input surge protection
Reverse voltage protection
(See Note 4)
Overvoltage protection
Undervoltage protection
Thermal protection
TELECOM SPECIFICATION
Central office interface A
EXTERNAL OUTPUT TRIMMING
Output can be externally
trimmed by using the
method shown.
(12)
EFFICIENCY
TYPICAL
74%
82%
(10)
(9)
±0.25%
±0.25%
LINE
REGULATION
5V/3.3V
3.3V/2.5V
110°C baseplate, automatic recovery
±0.50% BXB75-48D3V3-2V5FL
±0.50%
10 (7)
8 (5)
9 (6)
LOAD
(11)
File Name: BXB75D.PDF Rev: 24 Apr 2002
DOWN
TRIM
100VDC for one second max.
TRIM
UP
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source impedance of 5Ω
BXB75-48D05-3V3FL
Continuous, 25A max.
Continuous, 32A max.
OR RT2
RT1
Latching, 120% Vout
Yes, up to 17A with
NUMBER
MODEL
ETS300-132-2
non repetitive
Non-latching
auto restart
auto restart
(7)
2