Q48SA54001NNFH Datasheet, PDF (2/13 Pages) Delta Electronics, Inc. – Delphi Series Q48SA, 80W Quarter Brick Family DC/DC Power Modules: 36~75V in, 54V/1.5A out

TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;
PARAMETER
NOTES and CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient (100ms)
100ms
Operating Case Temperature (Open-frame Version)
Please refer to Figure 20
Operating Case Temperature (Heat spreader Version)
Please refer to Figure 22
Storage Temperature
Input/Output Isolation Voltage
1 minute
INPUT CHARACTERISTICS
Operating Input Voltage
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
100% Load, 36Vin
No-Load Input Current
Off Converter Input Current
Inrush Current(I²t)
Vin=48V
Input Reflected-Ripple Current
P-P thru 12µH inductor, 5Hz to 20MHz
Input Voltage Ripple Rejection
120 Hz
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=Io.max, Tc=25°C
Output Voltage Regulation
Over Load
Io=Io,min to Io,max
Over Line
Vin=36V to 75V
Over Temperature
Tc=-40°C to 100°C
Total Output Voltage Range
over sample load, line and temperature
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth, Full load
Peak-to-Peak
(high frequency low ESR external capacitor required)
RMS
(high frequency low ESR external capacitor required)
Operating Output Current Range
Output over current protection
Hiccup mode
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
48V, 220µF electrolytic& 1µF Ceramic load cap, 0.1A/µs
Positive Step Change in Output Current
25% Io.max to 50% Io.max
Negative Step Change in Output Current
50% Io.max to 25% Io.max
Settling Time (within 1% Vout nominal)
Turn-On Transient
Start-Up Time, From On/Off Control
Start-Up Time, From Input
External Output Capacitance
Full load; 5% overshoot of Vout at startup
EFFICIENCY
100% Load
Vin=48V
60% Load
Vin=48V
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)
Von/off at Ion/off=1.0mA
Logic High (Module Off)
Von/off at Ion/off=0.0 µA
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off at Ion/off=1.0mA
Logic High (Module On)
Von/off at Ion/off=0.0 µA
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=0.0V
Leakage Current (for both remote on/off logic)
Logic High, Von/off=15V
Output Voltage Trim Range
Pout<=max rated power
Output Over-Voltage Protection (Hiccup Mode)
Over full temp range; % of nominal Vout
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Tc=40°C
Weight
Over-Temperature Shutdown (Openframe Version)
Please refer to Figure 20
Over-Temperature Shutdown (Heat spreader Version)
Please refer to Figure 22
Q48SA54001 (Standard)
Min.
Typ.
Max.
Units
80
Vdc
100
Vdc
-40
115
°C
-40
114
°C
-55
125
°C
2250
Vdc
36
48
75
Vdc
32
35
Vdc
29
32
Vdc
2
4
Vdc
3.5
A
50
mA
8
mA
1
A²s
10
mA
50
dB
52.7
53.5
54.2
Vdc
+20
+802.5
mV
+20
+267.5
mV
0.02
%Vo/°C
51.9
55.1
V
100
200
mV
30
50
mV
0
1.5
A
1.65
2.25
A
750
mV
750
mV
TBD
µs
100
200
ms
100
200
ms
100
220
2200
µF
92.0
%
91.5
%
2250
Vdc
10
MΩ
1000
pF
350
kHz
-0.7
1.2
V
3.5
15
V
0
1.2
V
3.5
15
V
1.5
mA
uA
85
100
%Vo
57
65
V
TBD
43
125
126
M hours
grams
°C
°C
DS_Q48SA54001_05172013
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