DS_E24SR05012_01032008
2
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=
24
Vdc, nominal Vout unless otherwise noted.)
PARAMETER
NOTES and CONDITIONS
E24SR05012 (Standard)
Min. Typ. Max. Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous
36
Vdc
Transient (100ms)
100ms
50
Vdc
Operating Temperature
Refer to figure 21 for measuring point
-40
118
°C
Storage Temperature
-55
125
°C
Input/Output Isolation Voltage
2250
Vdc
INPUT CHARACTERISTICS
Operating Input Voltage
18
36
Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold
16
17
17.8
Vdc
Turn-Off Voltage Threshold
15
16
17
Vdc
Lockout Hysteresis Voltage
0.7
1
1.5
Vdc
Maximum Input Current
100% Load, 18Vin
3.9
A
No-Load Input Current
80
150
mA
Off Converter Input Current
3
10
mA
Inrush Current (I
2
t)
0.1
A
2
s
Input Reflected-Ripple Current
P-P thru 12µH inductor, 5Hz to 20MHz
15
mA
Input Voltage Ripple Rejection
120 Hz
55
dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Vin=24V, Io=Io.max, Tc=25°C
4.925
5.075
Vdc
Output Voltage Regulation
Over Load
Io=Io, min to Io, max
±3
±10
mV
Over Line
Vin=18V to36V
±3
±10
mV
Over Temperature
Tc=-40°C to100°C
±50
mV
Total Output Voltage Range
Over sample load, line and temperature
4.875
5
5.125
V
Output Voltage Ripple and Noise
5Hz to 20MHz bandwidth
Peak-to-Peak
Full Load, 1µF ceramic, 10µF tantalum
50
100
mV
RMS
Full Load, 1µF ceramic, 10µF tantalum
15
30
mV
Operating Output Current Range
0
12
A
Output Over Current Protection
Output Voltage 10% Low
110
140
%
DYNAMIC CHARACTERISTICS
Output Voltage Current Transient
10µF Tan & 1µF Ceramic load cap, 0.1A/µs
Positive Step Change in Output Current
50% Io.max to 75% Io.max
150
250
mV
Negative Step Change in Output Current
75% Io.max to 50% Io.max
150
250
mV
Settling Time (within 1% Vout nominal)
150
us
Turn-On Transient
Start-Up Time, From On/Off Control
5
ms
Start-Up Time, From Input
5
ms
Back bias start-up
≤
90% of nominal output voltage
Back drive current limit while pin on-off is enabled
Io=0A
0.1
A
Back drive current limit while pin on-off is disabled
Io=0A
50
mA
Maximum Output Capacitance
Full load; CR mode;5% overshoot of Vout at startup
5000
µF
EFFICIENCY
100% Load
90.5
%
60% Load
90.5
%
ISOLATION CHARACTERISTICS
Input to Output
2250
Vdc
Isolation Resistance
10
M
Ω
Isolation Capacitance
1500
pF
FEATURE CHARACTERISTICS
Switching Frequency
350
kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On)
-0.7
0.5
V
Logic High (Module Off)
3
18
V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off)
-0.7
0.5
V
Logic High (Module On)
3
18
V
On/off pin open circuit voltage
9.6
V
On/off pin pull down resistance
12
Kohm
Output Voltage Trim Range
Pout
≦
max rated power
-10
+10
%
Output Voltage Remote Sense Range
Pout
≦
max rated power
+10
%
Output Over-Voltage Protection
Over full temp range;
5.75
7
V
GENERAL SPECIFICATIONS
MTBF
Io=80% of Io, max; Ta=25°C, 300LFM airflow
3.86
M hours
Weight
22.0
grams
Over-Temperature Shutdown
Refer to figure 21 for measuring point
123
°C
