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TECHNICAL SPECIFICATIONS
(T
=25°C, airflow rate=300 LFM, V
A
PARAMETER
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
Transient (100ms)
Operating 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
Input Over-Voltage Lockout
Turn-0ff Voltage Threshold
Turn-on Voltage Threshold
Maximum Input Current
No-Load Input Current
Off Converter Input Current
2
Inrush Current(I
t)
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 DC Current-Limit Inception
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
Positive Step Change in Output Current
Negative Step Change in Output Current
Settling Time to 1% of Final value
Turn-On Transient
Start-Up Time, From On/Off Control
Start-Up Time, From Input
Maximum Output Capacitance
EFFICIENCY
100% Load
ISOLATION CHARACTERISTICS
Isolation Voltage
Isolation Resistance
Isolation Capacitance
FEATURE CHARACTERISTICS
Switching Frequency
ON/OFF Control, (Logic Low-Module ON)
Logic Low
Logic High
ON/OFF Current
Leakage Current
Output Voltage Trim Range
Output Over-Voltage Protection(Hiccup)
GENERAL SPECIFICATIONS
Calculated MTBF
Weight (Open Frame)
=48Vdc, nominal Vout unless otherwise noted.)
in
NOTES and CONDITIONS
Refer to Figure 16 for the measuring point
P-P thru 12µH inductor, 5Hz to 20MHz
Vin=48V, Io=50%Io.max, Tc=25℃
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 100% Io,max
100% Io,max to 50% Io.max
Full load; 5% overshoot of Vout at startup
Von/off at Ion/off=1.0mA
Von/off at Ion/off=0.0 µA
Logic High, Von/off=15V
Across Trim Pin & +Vo or –Vo, Pout≦max rated
Over full temp range; % of nominal Vout
Io=80% of Io, max; Tc=40°C
100ms
1 minute
100% Load, 18Vin
120 Hz
Io=Io,min to Io,max
Vin=18V to 60V
Tc=-40℃ to 100℃
Ion/off at Von/off=0.0V
S36SS3R304NRFA
Min.
Typ.
Max.
Units
70
Vdc
100
Vdc
-40
105
-55
125
1500
Vdc
18
60
16
17
18
15
16
17
0.5
1.5
2.5
64
63
1.3
30
mA
4
mA
1
A
5
mA
55
3.23
3.30
3.37
±5
±15
mV
±2
±7
mV
100
300
ppm/℃
3.16
3.44
60
100
mV
15
25
mV
0
4.5
5
6
8
65
100
mV
65
100
mV
600
6
10
5
10
2000
78
81
1500
100
MΩ
500
280
kHz
0
0.7
2
15
1
mA
50
-10
+10
115
125
140
4.5
M hours
12.5
grams
°C
°C
V
V
V
V
V
V
A
2
s
dB
V
V
A
A
µs
ms
ms
µF
%
V
pF
V
V
uA
%
%
2
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