Technical Specifications - Delta Electronics Delphi Q48DC Datasheet

TECHNICAL SPECIFICATIONS

(T =25°C, airflow rate=300 LFM, V
A
PARAMETER
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient
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
Maximum Input Current
No-Load Input Current
Off Converter Input Current
2
Inrush Current(I t)
Input Reflected-Ripple Current
Input Voltage Ripple Rejection
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Load
Over Line
Cross Regulation
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
Cross dynamic
Settling Time (within 1% Vout nominal)
Turn-On Transient
Delay Time, From On/Off Control
Delay Time, From Input
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
Leakage Current
Output Voltage Trim Range
Output Over-Voltage Protection
GENERAL SPECIFICATIONS
MTBF
Weight
Over-Temperature Shutdown
DS_Q48DC12003_03112008
=48Vdc, nominal Vout unless otherwise noted.)
in
NOTES and CONDITIONS
Refer to Figure 20 for measuring point
100% Load, 36Vin
P-P thru 12µH inductor, 5Hz to 20MHz
Vin=48V, lo=lo. Max, Tc=25℃
lo1=lo2=lo, min to lo, max
Vin=36V to 75V,Io1=Io2=full load
| Io1-Io2| <20% Io,max
Tc=-40℃ to 129℃, Io1=Io2= Io, min to Io, max
Over all load, line and temperature
5Hz to 20MHz bandwidth
Io1, Io2 Full Load, 1µF ceramic, 10µFtantalum
Io1, Io2 Full Load, 1µF ceramic, 10µF tantalum
Iout 1＋ lout 2
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
Iout1 or Iout2 from50% Io, max
to 75% Io, max
Iout2 or Iout1 from 75% Io,max
to 50% Io, max
Full load; 5% overshoot of Vout at startup
Iout1, Iout2 full load
Iout1, Iout2 60% of full load
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Ion/off at Von/off=0.0V
Logic High, Von/off=15V
Pout ≦ max rated power (65W)
Iout ≦ max 120% rated Iout
Over full temp range; %of nominal Vout
Io=80% of Io, max; Ta=40°C
Refer to Figure 20 for measuring point
100ms
120Hz
Vout 1,2
Vout 1,2
Vout 1,2
Vout 1, 2
Vout 1, 2
Vout 1, 2
Vout 1
Vout 2
Vout 1
Vout 2
<1 minute
Q48DC12003NR A
Min. Typ. Max.
80
100
-40 124
-55 125
2250
36 48 75
32 33.5 35
29 30.5 32
2 3 4
2.4
50
10
1
20
66
±11.98 ±12.10 ±12.22
±20 ±180
±20 ±120
±360
±120
±11.74 ±12.46
40 80
10 30
0 2.7
7.1 9
400 600
400 600
400 600
400 600
±120 ±360
100
2
2
20 30
20 30
5000
88
86.5
2250
10
1500
330
-0.7 1.8
3.5 12
1
300
-17 +5
-25 -17
124 130 150
TBD
31
129
Units
Vdc
Vdc
°C
°C
Vdc
Vdc
Vdc
Vdc
Vdc
A
mA
mA
2
A s
mA
dB
V
mV
mV
mV
mV
V
mV
mV
A
A
mV
mV
mV
us
ms
ms
ms
ms
µF
%
%
Vdc
MΩ
pF
kHz
V
V
mA
uA
%
%
%
M hours
grams
°C
2