Datasheet
DS_ V36SE12004_11192014 E-mail: dcdc@deltaww.com
http://www.deltaww.com/dcdc
P2
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
V36SE12004(Standard)
Min.
Typ.
Max.
Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Vdc
Continuous
80
Vdc
Transient (100ms)
100ms
100
Vdc
Operating Temperature
Refer to figure 19 for measuring point
-40
122
°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
20
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
11.88
12.00
12.12
Vdc
Output Voltage Regulation
Over Load
Io=Io, min to Io, max
±3
±12
mV
Over Line
Vin=36V to 75V
±3
±12
mV
Over Temperature
Tc=-40°C to 85°C
±120
mV
Total Output Voltage Range
Over sample load, line and temperature
11.64
12.00
12.36
V
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
100
150
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
25
40
mV
Operating Output Current Range
Vin=18V-36V
0
3.5
A
Operating Output Current Range
Vin=36V-75V
0
4.2
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
400
mV
Negative Step Change in Output Current
50% Io.max to 25% Io.max
400
mV
Settling Time (within 1% Vout nominal)
500
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
2200
µF
EFFICIENCY
100% Load
Vin=48V
88.0
%
100% Load
Vin=24V
86.0
%
60% Load
Vin=48V
88.0
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
MΩ
Isolation Capacitance
1000
pF
FEATURE CHARACTERISTICS
Switching Frequency
440
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
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
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
µA
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
120
150
%
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Ta=25°C, airflow
rate=300FLM
3.0
M hours
Weight
12.1
grams
Over-Temperature Shutdown
Refer to figure 19 for measuring point
129
°C










