Datasheet
DS_V48SH05017_10282013
2
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
V48SH05017 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
80
Vdc
Transient (100ms)
100ms
100
Vdc
Operating Temperature(Without heat-spreader)
Refer to figure 20 for measuring point
-40
121
°C
Operating Temperature(With heat-spreader)
Refer to figure 22 for measuring point
-40
110
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
1500
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
36
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
32.5
34
35.5
Vdc
Turn-Off Voltage Threshold
30.5
32
33.5
Vdc
Lockout Hysteresis Voltage
1
2
3
Vdc
Maximum Input Current
100% Load, 36Vin
4
A
No-Load Input Current
50
80
mA
Off Converter Input Current
7
12
mA
Inrush Current (I
2
t)
With 100uF external input capacitor
1
A
2
s
Start up Current
Peak, Vin=36V, 100% Load, With 10000uF Co
3.23
4.85
A
Input Terminal Ripple Current
RMS, Vin=48V, With 100uF input cap.
0.1
0.15
A
Input Reflected-Ripple Current
P-P thru 12µH inductor, 5Hz to 20MHz
8
15
mA
Input Voltage Ripple Rejection
120 Hz
45
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=Io.max, Tc=25°C
4.925
5.0
5.075
Vdc
Output Voltage Regulation
Over Load
Io=Io, min to Io, max
±5
mV
Over Line
Vin=36V to 75V
±5
mV
Over Temperature
Tc=-40°C to125°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
110
160
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
35
50
mV
Operating Output Current Range
0
17
A
Output Over Current Protection
Output Voltage 10% Low
110
150
%
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
100
160
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
100
160
mV
Settling Time (within 1% Vout nominal)
100
200
us
Turn-On Transient
Start-Up Time, From On/Off Control
12
28
ms
Start-Up Time, From Input
12
28
ms
Maximum Output Capacitance
Cap ESR>=8mohm;
Full load; 5% overshoot of Vout at startup;
0
7000
µF
EFFICIENCY
100% Load
Vin=48V
90
91.5
%
60% Load
Vin=48V
90
91.5
%
ISOLATION CHARACTERISTICS
Input to Output
1500
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1500
pF
FEATURE CHARACTERISTICS
Switching Frequency
300
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Von/off
-0.7
0.8
V
Logic High (Module Off)
Von/off
2
15
V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off
-0.7
0.8
V
Logic High (Module On)
Von/off
2
15
V
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=0.0V
0.3
mA
ON/OFF Current (for both remote on/off logic)
Ion/off at Von/off=2V
10
uA
Leakage Current (for both remote on/off logic)
Logic High, Von/off=15V
50
uA
Output Voltage Trim Range
Max rated current guaranteed at full trim range
-20
10
%
Output Voltage Remote Sense Range
Max rated current guaranteed at full remote
sense range
10
%
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
130
%
GENERAL SPECIFICATIONS
MTBF
Per Telecordia SR-332, 100% load, 40°C, 48Vin,
400LFM
1.4
M hours
Per Telecordia SR-332, 50% load, 25°C, 48Vin,
400LFM
6.6
M hours
Weight(without heat-spreader)
Without heat-spreader
13.2
grams
Weight(with heat-spreader)
With heat-spreader
20.8
grams
Over-Temperature Shutdown(Without heat-spreader)
Refer to figure 20 for measuring point
128
°C
Over-Temperature Shutdown(With heat-spreader)
Refer to figure 22 for measuring point
119
°C