Datasheet

V36SE3R315_10252013
2
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc, nominal Vout unless otherwise noted.)
Note1: For applications with higher output capacitive load, please contact Delta
PARAMETER
NOTES and CONDITIONS
V36SE3R315 (Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Vdc
Continuous
0
80
Vdc
Transient (100ms)
100ms
0
100
Vdc
Operating Temperature
Refer to figure 19 for measuring point
-40
118
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
18
48
75
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
16
17
18
Vdc
Turn-Off Voltage Threshold
15
16
17
Vdc
Lockout Hysteresis Voltage
0.5
1
1.8
Vdc
Maximum Input Current
100% Load, 18Vin
3.9
A
No-Load Input Current
30
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
10
mA
Input Voltage Ripple Rejection
120 Hz
50
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=48V, Io=Io.max, Tc=25°C
3.267
3.300
3.333
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
±33
mV
Total Output Voltage Range
Over sample load, line and temperature
3.20
3.30
3.40
V
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 100µF tantalum
60
mV
RMS
Full Load, 1µF ceramic, 100µF tantalum
10
mV
Operating Output Current Range
Vin = 18V-36V
0
12
A
Vin = 36V-75V
0
15
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
25% Io.max to 50% Io.max
100
mV
Negative Step Change in Output Current
50% Io.max to 25% Io.max
100
mV
Settling Time (within 1% Vout nominal)
200
µs
Turn-On Transient
Start-Up Time, From On/Off Control
30
ms
Start-Up Time, From Input
30
ms
Maximum Output Capacitance (note1)
Full load; 5% overshoot of Vout at startup
10000
µF
EFFICIENCY
100% Load
Vin = 48V
90.5
%
100% Load
Vin = 24V
88.5
%
60% Load
Vin = 48V
90.0
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1000
pF
FEATURE CHARACTERISTICS
Switching Frequency
580
KHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
Von/off
0.8
V
Logic High (Module Off)
Von/off
2.4
18
V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
Von/off
0.8
V
Logic High (Module On)
Von/off
2.4
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
Output Voltage Trim Range
Pout ≦ max rated power,Io ≦ Io.max
-20
10
%
Output Voltage Remote Sense Range
Pout ≦ max rated power,Io ≦ Io.max
10
%
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
115
140
%
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Ta=25°C, airflow rate=300FLM
5.8
M hours
Weight
12.1
grams
Over-Temperature Shutdown
Refer to figure 19 for measuring point
128
°C