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E48SP3R340PKFA Datasheet(PDF) 2 Page - Delta Electronics, Inc.

Part # E48SP3R340PKFA
Description  Delphi Series E48SP3R340, 1/8th Brick 132W DC/DC Power Modules: 48V in, 3.3V, 40A out
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Manufacturer  DELTA [Delta Electronics, Inc.]
Direct Link  http://www.deltaww.com
Logo DELTA - Delta Electronics, Inc.

E48SP3R340PKFA Datasheet(HTML) 2 Page - Delta Electronics, Inc.

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DS_E48SP3R340_06052012
2
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
E48SP3R340 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
80
Vdc
Transient (100ms)
100ms
100
Vdc
Operating Temperature
Refer to figure 20 for measuring point
-40
117
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
36
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
32.5
34
35.5
Vdc
Turn-Off Voltage Threshold
30.5
32
33.5
Vdc
Lockout Hysteresis Voltage
1.5
2
2.5
Vdc
Maximum Input Current
100% Load, 36Vin
3.9
4.5
A
No-Load Input Current
80
120
mA
Off Converter Input Current
8
12
mA
Inrush Current (I
2t)
With 100uF external input capacitor
1
A
2s
Start up Current
Peak, Vin=36V, 100% Load, With 10000uF Co
4.5
6.75
A
Input Terminal Ripple Current
RMS, Vin=48V, With 100uF input cap.
0.15
0.25
A
Input Reflected-Ripple Current
P-P thru 12µH inductor, 5Hz to 20MHz
20
30
mA
Input Voltage Ripple Rejection
120 Hz
45
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=Io.max, Tc=25°C
3.25
3.3
3.35
Vdc
Output Voltage Regulation
Over Load
Io=Io, min to Io, max
±5
±10
mV
Over Line
Vin=36V to 75V
±5
±10
mV
Over Temperature
Tc=-40°C to125°C
±33
mV
Total Output Voltage Range
Over sample load, line and temperature
3.2
3.4
V
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
80
120
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
30
45
mV
Operating Output Current Range
0
40
A
Output Over Current Protection
Output Voltage 10% Low
110
150
%
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
50
100
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
50
100
mV
Settling Time (within 1% Vout nominal)
100
200
us
Turn-On Transient
Start-Up Time, From On/Off Control
28
40
ms
Start-Up Time, From Input
28
40
ms
Maximum Output Capacitance
Cap ESR>=15mohm;
Full load; 5% overshoot of Vout at startup;
0
10000
µF
EFFICIENCY
100% Load
Vin=48V
92%
93.1%
%
60% Load
Vin=48V
91.5%
92.5%
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1500
pF
FEATURE CHARACTERISTICS
Switching Frequency
250
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
15
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
15
V
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=0.0V
0.3
mA
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=2V
10
uA
Leakage Current (for both remote on/off logic)
Logic High, Von/off=15V
50
uA
Output Voltage Trim Range
Pout ≦ max rated power
-20
10
%
Output Voltage Remote Sense Range
Pout ≦ max rated power
10
%
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
130
%
GENERAL SPECIFICATIONS
MTBF
Io=75% of Io, max; Ta=25°C, airflow rate=400FLM
4.79
M hours
Weight
Open frame
28
grams
Over-Temperature Shutdown
Refer to figure 20 for measuring point
125
°C


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