Q48SB10828NRFA Datasheet, PDF (2/11 Pages) Delta Electronics, Inc. – Delphi Series Q48SB, 300W Bus Converter DC/DC Power Modules: 48V in, 9.6V/31A out

TECHNICAL SPECIFICATIONS
(T_A=25°C, airflow rate=300 LFM, V_in=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Operating 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
Input Over-Voltage Lockout
Turn-Off Voltage Threshold
Turn-On Voltage Threshold
Lockout Hysteresis Voltage
Maximum Input Current
No-Load Input Current
Off Converter Input Current
Inrush Current(I²t)
Input Reflected-Ripple Current
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, (Logic Low-Module ON)
Logic Low
Logic High
ON/OFF Current
GENERAL SPECIFICATIONS
MTBF
Weight
Over-Temperature Shutdown
Refer to Figure 15 for the measuring point
RMS thru 12µH inductor, 5Hz to 20MHz
Vin=48V, Io=no load, Ta=25°C
Vin=54V, Io=no load, Ta=25°C
Io=Io,min to Io,max
Vin=36V to 60V
Ta=-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, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io.max to 75% Io.max
75% Io.max to 50% Io.max
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Ion/off at Von/off=0.0V
Io=80% of Io, max; Ta=25°C
Refer to Figure 15 for the measuring point
Q48SB10828NRFA
Min.
Typ.
Max.
Units
63
Vdc
-40
+124
°C
-55
+125
°C
2250
Vdc
36
48
60
Vdc
34
35
36
Vdc
32
33
34
Vdc
2
Vdc
62
63
64
Vdc
60
61
62
Vdc
2
Vdc
8
A
30
120
mA
5
15
mA
0.02
A²s
10
mArms
9.6
Vdc
10.8
Vdc
400
500
mV
4.8
5
V
200
mV
6.6
12.1
V
120
mV
30
mV
0
31
A
40
A
150
mV
150
mV
50
us
20
ms
20
ms
10000
µF
95.5
%
96.5
%
2250
Vdc
10
MΩ
750
pF
130
kHz
0
0.8
V
2.4
18
V
1
mA
2.88
M hours
43
grams
127
°C
DS_Q48SB10828_11062006
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