Datasheet

DS_V48SR05013_05222013
2
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
V48SR05013 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
80
Vdc
Transient (100ms)
100ms
100
Vdc
Operating Ambient Temperature
-40
85
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
36
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
32
34
35
Vdc
Turn-Off Voltage Threshold
30
32
33
Vdc
Lockout Hysteresis Voltage
1
2
3
Vdc
Maximum Input Current
100% Load, 36Vin
2.1
A
No-Load Input Current
50
mA
Off Converter Input Current
8
mA
Inrush Current (I
2
t)
1
A
2
s
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
4.950
5.000
5.050
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 to 85°C
±50
mV
Total Output Voltage Range
Over sample load, line and temperature
4.85
5.15
V
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
60
100
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
15
30
mV
Operating Output Current Range
0
13
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
125
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
125
mV
Settling Time (within 1% Vout nominal)
200
us
Turn-On Transient
Start-Up Time, From On/Off Control
30
ms
Start-Up Time, From Input
30
ms
Maximum Output Capacitance
Full load; 5% overshoot of Vout at startup
10000
µF
EFFICIENCY
100% Load
91.0
%
60% Load
91.5
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1100
pF
FEATURE CHARACTERISTICS
Switching Frequency
415
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
-20
10
%
Output Voltage Remote Sense Range
Pout ≦ max rated power
10
%
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
120
140
%
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Ta=25°C, airflow rate=300FLM
2.59
M hours
Weight
16
grams
Over-Temperature Shutdown (Hot Spot)
Refer to Figure 21 for Hot spot location
(48Vin,80%Io, 200LFM,Airflow from Vin+ to Vo+)
130
°C
Over-Temperature Shutdown (NTC Resistor)
128
°C
Note: Please attach thermocouple on NTC resistor to test OTP function, the hot spot’s temperature is just for reference.