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TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER NOTES and CONDITIONS E36SR05015 (Standard)
Min. Typ. Max. Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous 18 24/48 75 Vdc
Transient (100ms) 100ms 100 Vdc
Operating Temperature Refer to Figure 21 for measuring point -40 122 °C
Storage Temperature -55 125 °C
Input/Output Isolation Voltage 2250 Vdc
INPUT CHARACTERISTICS
Operating Input Voltage 18 24/48 75 Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold 18 18.5 19 Vdc
Turn-Off Voltage Threshold 16.5 17 17.5 Vdc
Lockout Hysteresis Voltage 1 1.5 2 Vdc
Maximum Input Current 100% Load, 18Vin 5 A
No-Load Input Current No load, 48Vin 70 mA
Off Converter Input Current 10 15 mA
Inrush Current(I
2
t) 1 A
2
s
Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 20 mA
Input Voltage Ripple Rejection 120 Hz 60 dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 4.95 5.0 5.05 Vdc
Output Voltage Regulation
Over Load Io=Io,min to Io,max ±5 ±10 mV
Over Line Vin=18V to 75V ±5 ±10 mV
Over Temperature Tc=-40°C to 85°C ±25 ±50 mV
Total Output Voltage Range over sample load, line and temperature 4.9 5.1 V
Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth
Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 60 mV
RMS Full Load, 1µF ceramic, 10µF tantalum 10 30 mV
Operating Output Current Range 0 15 A
Output DC Current-Limit Inception 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 150 mV
Negative Step Change in Output Current 50% Io.max to 25% Io.max 150 mV
Settling Time (within 1% Vout nominal) 200 us
Turn-On Transient
Start-Up Time, From On/Off Control 2 20 ms
Start-Up Time, From Input 10 20 ms
Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 5000 µF
EFFICIENCY
100% Load 89 %
60% Load 90 %
ISOLATION CHARACTERISTICS
Input to Output 2250 Vdc
Isolation Resistance 10 MΩ
Isolation Capacitance 1500 pF
FEATURE CHARACTERISTICS
Switching Frequency 300 kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On) Von/off at Ion/off=1.0mA 0 1.8 V
Logic High (Module Off) Von/off at Ion/off=0.0 µA 2.4 18 V
ON/OFF Control, Positive Remote On/Off logic
Logic Low (Module Off) Von/off at Ion/off=1.0mA 0 1.8 V
Logic High (Module On) Von/off at Ion/off=0.0 µA 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 50 uA
Output Voltage Trim Range
Across Pins 9 & 5, Pout ≦ max rated power
-10% 10% %
Output Voltage Remote Sense Range
Pout ≦ max rated power
10 %
Output Over-Voltage Protection Over full temp range; % of nominal Vout 6 V
GENERAL SPECIFICATIONS
MTBF Io=80% of Io, max; 300LFM
@
25℃ 2.2 M hours
Weight 25 grams
Over-Temperature Shutdown Refer to Figure 21 for measuring point
DS_E36SR05015_01042008
2
127 °C