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V48SR05013NRFA Datasheet(PDF) 2 Page - Delta Electronics, Inc.

Part # V48SR05013NRFA
Description  Fixed frequency operation
Download  14 Pages
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Manufacturer  DELTA [Delta Electronics, Inc.]
Direct Link  http://www.deltaww.com
Logo DELTA - Delta Electronics, Inc.

V48SR05013NRFA Datasheet(HTML) 2 Page - Delta Electronics, Inc.

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DS_V48SR15004_05232014
2
TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
V48SR15004 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
80
Vdc
Transient (100ms)
100ms
100
Vdc
Operating Temperature
Refer to figure 21 for measuring point
-40
121
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
36
48
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Io=100% Load
32.5
34
35.5
Vdc
Turn-Off Voltage Threshold
Io=100% Load
30.5
32
33.5
Vdc
Lockout Hysteresis Voltage
Io=100% Load
1
2
3
Vdc
Maximum Input Current
100% Load, 36Vin
2.3
A
No-Load Input Current
50
mA
Off Converter Input Current
10
mA
Inrush Current (I
2t)
1
A
2s
Input Reflected-Ripple Current
P-P thru 12µH inductor, 5Hz to 20MHz
20
mA
Input Voltage Ripple Rejection
120 Hz
60
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=Io.max, Tc=25°C
14.85
15.00
15.15
Vdc
Output Voltage Regulation
Over Load
Io=Io, min to Io, max
±3
±10
mV
Over Line
Vin=36V to 75V
±3
±10
mV
Over Temperature
Tc=-40°C to125°C
±150
mV
Total Output Voltage Range
Over sample load, line and temperature
14.55
15.00
15.45
V
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
120
200
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
30
60
mV
Operating Output Current Range
Vin=36V to 75V
0
4.4
A
Output Over Current Protection
Output Voltage 10% Low
110
140
%
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
Positive Step Change in Output Current
50% Io.max to 75% Io.max
300
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
300
mV
Settling Time (within 1% Vout nominal)
200
us
Turn-On Transient
Start-Up Time, From On/Off Control
Vin=48V, Io=100% Load
30
ms
Start-Up Time, From Input
Vin=48V, Io=100% Load
30
ms
Maximum Output Capacitance
Full load; 5% overshoot of Vout at startup
1000
µF
EFFICIENCY
100% Load
Vin=48V
90.5
%
60% Load
Vin=48V
90.5
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1100
pF
FEATURE CHARACTERISTICS
Switching Frequency
420
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Von/off
0.7
V
Logic High (Module Off)
Von/off
2
18
V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off
0.7
V
Logic High (Module On)
Von/off
2
18
V
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=0.0V
1
mA
Leakage Current (for both remote on/off logic)
Logic High, Von/off=15V
50
uA
Output Voltage Trim Range
Pout ≦ max rated power
-15
10
%
Output Voltage Remote Sense Range
Pout ≦ max rated power
10
%
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
115
170
%
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io max, Ta=25°C
2.34
M hours
Weight
16
grams
Over-Temperature Shutdown
Refer to figure 21 for measuring point
126
°C


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