Q48DB12003NRFA Datasheet, PDF (2/13 Pages) Delta Electronics, Inc. – Delphi Series Q48DB, 65W Quarter Brick Dual Output DC/DC Power Modules: 48V in, ±12V, 2.7A Output

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
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
Inrush Current(I²t)
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 Voltage Remote Sense Range
Output Over-Voltage Protection
GENERAL SPECIFICATIONS
MTBF
Weight
Over-Temperature Shutdown
100ms
Refer to Figure 20 for measuring point
100% Load, 36Vin
P-P thru 12µH inductor, 5Hz to 20MHz
120Hz
Vin=48V, lo=lo. Max, Tc=25℃
Vout 1,2
lo1or lo2=lo, min to lo, max
| Io1-Io2| <20% Io,max
Vout 1,2
Vin=36V to 75V,Io1=Io2=full load
Vout 1,2
Worse Case
Tc=-40℃ to 115℃
Over all load, line and temperature
5Hz to 20MHz bandwidth
Io1, Io2 Full Load, 1µF ceramic, 10µF
tantalum
Vout 1, 2
Io1, Io2 Full Load, 1µF ceramic, 10µF
tantalum
Vout 1, 2
Vout 1, 2
Lout 1＋ lout 2
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
Iout1 or Iout2 from50% Io,
max to 75% Io, max
Vout 1
Vout 2
Iout2 or Iout1 from 75% Io,
max to 50% Io, max
Vout 1
Vout 2
Full load; 5% overshoot of Vout at startup
Iout1, Iout2 full load
Iout1, Iout2 60% of full load
<1 minute
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
Pout ≦ max rated power
Over full temp range; %of nominal Vout
Io=80% of Io, max; Ta=40°C
Refer to hot spot temperature
Q48DB12003NRFA
Min.
Typ.
Max.
Units
-40
-55
1500
80
Vdc
100
Vdc
123
°C
125
°C
Vdc
36
48
75
Vdc
33
34
35
Vdc
31
32
33
Vdc
1
2
3
Vdc
2.4
A
100
200
mA
5
10
mA
0.01
A²s
10
20
mA
66
dB
±12.00 ±12.10 ±12.20
V
120
180
mV
60
120
mV
100
220
mV
100
200
mV
±11.700
±12.500
mV
50
80
mV
25
50
mV
0
2.7
A
115
150
%
1500
10
0
- 10
115
25
200
200
200
200
100
10
10
10
10
90
88
1800
300
122
2.09
27.7
130
400
400
400
400
5000
0.8
18
1
300
+10
145
30
mV
mV
us
ms
ms
ms
ms
µF
%
%
Vdc
MΩ
pF
kHz
V
V
mA
uA
%
%
M hours
grams
°C
DS_Q48DB12003_04182006
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