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E48SB9R625 Datasheet(PDF) 2 Page - Delta Electronics, Inc.

Part No. E48SB9R625
Description  Delphi Series E48SB, 240W Eighth Brick Bus Converter DC/DC Power Modules: 48Vin, 9.6V/25A out
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Maker  DELTA [Delta Electronics, Inc.]
Homepage  http://www.deltaww.com
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E48SB9R625 Datasheet(HTML) 2 Page - Delta Electronics, Inc.

 
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TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
E48SB9R625 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
60
Vdc
Operating Temperature
Refer to Figure 17 for the measuring point, Tc
-40
117
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
38
48
55
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
35
36.5
38
Vdc
Turn-Off Voltage Threshold
33
34.5
36
Vdc
Lockout Hysteresis Voltage
1
2
3
Vdc
Input Over-Voltage Lockout
Turn-Off Voltage Threshold
58
60
62
Vdc
Turn-On Voltage Threshold
57
58.5
60
Vdc
Lockout Hysteresis Voltage
1
1.5
2.5
Vdc
Maximum Input Current
38V Vin , 100% Load
6.65
A
No-Load Input Current
80
120
mA
Off Converter Input Current
7
15
mA
Inrush Current (I
2t)
0.03
A
2s
Input Reflected-Ripple Current
P-P thru 12µH inductor, 5Hz to 20MHz
15
25
mA
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=no load, Ta=25°C
9.5
Vdc
Output Voltage Regulation
Over Load
Io=Io,min to Io,max
300
400
mV
Over Line
Vin=38V to 55V
3.4
3.6
V
Over Temperature
Tc=-40°C to 100°C
200
mV
Total Output Voltage Range
Over sample load, line and temperature
7.0
11
V
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
100
150
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
25
40
mV
Operating Output Power Range
Full input voltage range
0
240
W
Output DC Powert-Limit Inception
Full input voltage range
110%
140%
W
Current share accuracy (2 units in parallel)
% of rated output current
10
%
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
Positive Step Change in Output Current
50% Io.max to 75% Io.max
80
150
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
80
150
mV
Settling Time (within 1% Vout nominal)
90
120
us
Turn-On Transient
Start-Up Time, From On/Off Control
8
15
25
ms
Start-Up Time, From Input
15
20
30
ms
Maximum Output Capacitance
3000
µF
EFFICIENCY
100% Load
Vin=48V
96.5
%
60% Load
Vin=48V
96.0
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1000
pF
FEATURE CHARACTERISTICS
Switching Frequency
130
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Von/off
-0.7
0.8
V
Logic High (Module Off)
Von/off
2
18
V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off
-0.7
0.8
V
Logic High (Module On)
Von/off
2
18
V
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=0.0V
0.25
0.3
mA
Leakage Current (for both remote on/off logic)
Logic High, Von/off=15V
30
uA
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Ta=25°C
1.86
M hours
Weight
31.76
grams
Over-Temperature Shutdown
Refer to Figure 17 for the measuring point, Tc
122
°C
DS_E48SB9R625_01232007
2


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