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Q48SQ12018NRFH Datasheet, PDF (2/13 Pages) Delta Electronics, Inc. – Delphi Series Q48SQ, Quarter Brick Family DC/DC Power Modules
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;
PARAMETER
NOTES and CONDITIONS
Q48SQ12018 (Standard)
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient
Operating Ambient Temperature
Storage Temperature
Input/Output Isolation Voltage
INPUT CHARACTERISTICS
Operating Input Voltage
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Current (I2t)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Load
Over Line
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
RMS
Operating Output Current Range
Output DC Current-Limit Inception
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Settling Time (within 1% Vout nominal)
Turn-On Transient
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Maximum Output Capacitance
EFFICIENCY
100% Load
60% Load
ISOLATION CHARACTERISTICS
Input to Output
Isolation Resistance
Isolation Capacitance
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Logic High (Module Off)
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Logic High (Module On)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Output Over-Voltage Protection
Output voltage trim range
GENERAL SPECIFICATIONS
MTBF(with heat spreader)
Weight(without heat spreader)
Weight(with heat spreader)
Over-Temperature Shutdown (without heat spreader)
Over-Temperature Shutdown (with heat spreader)
Over-Temperature Shutdown (NTC Resistor)
Min.
100ms
-40
-55
36
33
31
Vin=48V, Io=0A
Vin=48V, Io=0A
P-P thru 12µH inductor, 5Hz to 20MHz
120 Hz
Vin=48V, Io=0, Tc=25°C
Vin=48V, Io=Io,min to Io,max
Vin=36V to 75V, Io=Io min
Vin=48V, Tc=-40°C to 85°C
over sample load, line and temperature
5Hz to 20MHz bandwidth
Full Load, 1µF ceramic, 10µF tantalum
Full Load, 1µF ceramic, 10µF tantalum
Output Voltage 10% Low
48V, 100uF Al Ecap,10µF Tan & 1µF Ceramic load
cap, 0.1A/µs
50% Io.max to 75% Io.max
75% Io.max to 50% Io.max
11.88
11.64
0
21
Low ESR CAP (OSCON), 100% load;
0
Vin=48V
Vin=48V
10
Von/off at Ion/off=1.0mA
0
Von/off at Ion/off=0.0 µA
2
Von/off at Ion/off=1.0mA
0
Von/off at Ion/off=0.0 µA
2
Ion/off at Von/off=0.0V
Logic High, Von/off=15V
Over full temp range; % of nominal Vout
115
Pout≤Max rated power
-20
Io=80% of Io, max; Tc=25°C;Airflow=300LFM
Refer to Figure 21 for Hot spot location
(48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-)
Refer to Figure 23 for Hot spot location
(48Vin,80% Io, 200LFM,Airflow from Vin+ to Vin-)
Refer to Figure 21 NTC resistor location
Typ.
Max.
48
34
32
2
100
9
20
-30
12.00
±10
±10
±60
100
25
23
80
100
85
125
1500
75
35
33
9
13
1
12.12
±30
±30
12.36
150
50
18
25
Units
Vdc
Vdc
°C
°C
Vdc
Vdc
Vdc
Vdc
Vdc
A
mA
mA
A2s
mA
dB
Vdc
mV
mV
mV
Vdc
mV
mV
A
A
200
200
300
100
100
94.7
94.9
6800
130
125
2
50.0
65.5
130
123
125
5500
1500
0.8
50
0.8
50
1
50
140
10
mV
mV
us
ms
ms
µF
%
%
Vdc
MΩ
pF
kHz
V
V
V
V
mA
uA
%
%
M hours
grams
grams
°C
°C
°C
Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spot’s temperature is just for reference.
2
DS_Q48SQ12018_08092013