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Q48SE12025NRFA Fiches technique(PDF) 2 Page - Delta Electronics, Inc.

No de pièce Q48SE12025NRFA
Description  Delphi Series Q48SE, Quarter Brick Family DC/DC Power Modules 38~75V in, 11.8V/25A out, 300W
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Fabricant  DELTA [Delta Electronics, Inc.]
Site Internet  http://www.deltaww.com
Logo DELTA - Delta Electronics, Inc.

Q48SE12025NRFA Fiches technique(HTML) 2 Page - Delta Electronics, Inc.

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DS_Q48SE12025_06242013
2
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;
PARAMETER
NOTES and CONDITIONS
Q48SE12025 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
80
Vdc
Transient
100ms
100
Vdc
Operating Ambient Temperature
-40
85
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
38
48
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
32.0
34.0
36.0
Vdc
Turn-Off Voltage Threshold
30.0
32.0
34.0
Vdc
Lockout Hysteresis Voltage
2
Vdc
Maximum Input Current
100% Load, 38Vin
11
A
No-Load Input Current
Vin=48V, Io=0A
160
mA
Off Converter Input Current
Vin=48V, Io=0A
10
mA
Inrush Current (I
2t)
1
A
2s
Input Reflected-Ripple Current
P-P thru 12µH inductor, 5Hz to 20MHz
10
mA
Input Voltage Ripple Rejection
120 Hz
-30
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=0, Tc=25°C
11.67
11.8
11.92
Vdc
Output Voltage Regulation
Over Load
Vin=48V, Io=Io,min to Io,max
±30
±80
mV
Over Line
Vin=38V to 75V, Io=Io min
±50
mV
Over Temperature
Vin=48V, Tc=-40°C to 85°C
±100
mV
Total Output Voltage Range
over sample load, line and temperature
11.44
12.16
Vdc
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
120
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
50
mV
Operating Output Current Range
0
25
A
Output DC Current-Limit Inception
Output Voltage 10% Low
110
140
%
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
300
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
300
mV
Settling Time (within 1% Vout nominal)
300
µs
Turn-On Transient
Start-Up Time, From On/Off Control
70
ms
Start-Up Time, From Input
80
ms
Maximum Output Capacitance
Low ESR CAP (OSCON), 100% load;
6000
µF
EFFICIENCY
100% Load
Vin=48V
95.2
%
60% Load
Vin=48V
94.7
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
Isolation Capacitance
1000
pF
FEATURE CHARACTERISTICS
Switching Frequency
160
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Von/off at Ion/off=1.0mA
0
0.8
V
Logic High (Module Off)
Von/off at Ion/off=0.0 µA
2
50
V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off at Ion/off=1.0mA
0
0.8
V
Logic High (Module On)
Von/off at Ion/off=0.0 µA
2
50
V
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=0.0V
1
mA
Leakage Current (for both remote on/off logic)
Logic High, Von/off=15V
50
uA
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
115
140
%
GENERAL SPECIFICATIONS
MTBF(with heat spreader)
Io=100% of Io, max; Tc=40°C;Airflow=600LFM
2.6
M hours
Weight(without heat spreader)
50.5
grams
Weight(with heat spreader)
65.5
grams
Over-Temperature Shutdown
( Without heat spreader)
Refer to Figure 18 for Hot spot 1 location
(48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-)
128
°C
Over-Temperature Shutdown
(With heat spreader)
Refer to Figure 20 for Hot spot 2 location
(48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-)
122
°C
Over-Temperature Shutdown
( NTC resistor )
Refer to Figure 18 for NTC resistor location
127
Note: Please attach thermocouple on NTC resistor to te
st OTP function, the hot spots’ temperature is just for reference.


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