V48SH1R235NNFA Datasheet, PDF (2/14 Pages) Delta Electronics, Inc. – 33.0x22.8x9.5mm (1.30”x0.90”x0.37”) ( W/O heat-spreader ) 33.0x22.8x12.7mm (1.30”x0.90”x0.50”) ( With heat-spreader )

TECHNICAL SPECIFICATIONS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient (100ms)
Operating Hot Spot 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
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise
Peak-to-Peak
RMS
Operating Output Current Range
Output Over Current Protection
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Settling Time (within 1% Vout nominal)
Turn-On Transient
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, Negative Remote On/Off logic
Logic Low (Module On)
Logic High (Module Off)
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Logic High (Module On)
ON/OFF Current (for both remote on/off logic)
ON/OFF Current (for both remote on/off logic)
Leakage Current (for both remote on/off logic)
Output Voltage Trim Range
Output Voltage Remote Sense Range
Output Over-Voltage Protection
GENERAL SPECIFICATIONS
MTBF
Weight
Weight(with heat-spreader)
Over-Temperature Shutdown
100ms
Refer to figure 20 for measuring point
100% Load, 36Vin
With 100uF external input capacitor
P-P thru 12µH inductor, 5Hz to 20MHz
120 Hz
Vin=48V, Io=Io.max, Tc=25°C
Io=Io, min to Io, max
Vin=36V to 75V
Tc=-40°C to125°C
Over sample load, line and temperature
5Hz to 20MHz bandwidth
Full Load, 1µF ceramic, 10µF tantalum
Full Load, 1µF ceramic, 10µF tantalum
Output Voltage 10% Low
48V, 10µF Tan & 1µF Ceramic load cap, 0.1A/µs
50% Io.max to 75% Io.max
75% Io.max to 50% Io.max
Cap ESR>=3mohm;
Full load; 5% overshoot of Vout at startup;
Vin=48V
Vin=48V
Von/off
Von/off
Von/off
Von/off
Ion/off at Von/off=0.0V
Ion/off at Von/off=2V
Logic High, Von/off=5V
Max rated current guaranteed at full trim range
Max rated current guaranteed at full remote
sense range
Over full temp range; % of nominal Vout
Per Telecordia SR-332, 80% load, 25°C, 48Vin,
300LFM
Open frame
With heat-spreader
Refer to figure 20 for measuring point
V48SH1R235 (Standard)
Min.
Typ.
Max.
Units
80
Vdc
100
Vdc
-40
114
°C
-55
125
°C
1500
Vdc
36
75
Vdc
32.5
34
35.5
Vdc
30.5
32
33.5
Vdc
1
2
3
Vdc
1.8
A
40
60
mA
10
15
mA
1
A²s
8
15
mA
-60
dB
1.182
1.2
1.218
Vdc
±5
mV
±5
mV
±12
mV
1.164
1.236
V
120
mV
20
mV
0
35
A
110
140
%
50
100
mV
50
100
mV
100
us
15
25
ms
15
25
ms
0
10000
µF
87
%
87
%
1500
Vdc
10
MΩ
1500
pF
250
kHz
0
0.8
V
2.4
5
V
0
0.8
V
2.4
5
V
0.3
mA
10
uA
50
uA
-20
10
%
10
%
150
%
5.56
13.3
20.8
125
M hours
grams
grams
°C
2
DS_V48SH1R235_10282013