Datasheet

DS_S48SP05007_10252013
2
TECHNICAL SPECIFICATIONS
(T
A
=25°C, airflow rate=300 LFM, V
in
=48Vdc, nominal Vout unless otherwise noted.)
PARAMETER NOTES and CONDITIONS S48SP05007 (Standard)
Min. Typ. Max. Units
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Continuous 80 Vdc
Transient(100ms) 100ms 100 Vdc
Operating Temperature -40 85 °C
Storage Temperature -55 +125 °C
Input/Output Isolation Voltage 2250 Vdc
INPUT CHARACTERISTICS
Operating Input Voltage 36 75 Vdc
Input Under-Voltage Lockout
Turn-On Voltage Threshold Io=100% load 32.8 34 35.2 Vdc
Turn-Off Voltage Threshold Io=100% load 30.8 31.8 32.8 Vdc
Lockout Hysteresis Voltage Io=100% load 2 Vdc
Maximum Input Current 100% Load, 36Vin 1.10
A
No-Load Input Current 35 mA
Off Converter Input Current Vin= 48V 9 mA
Inrush Current (I
2
t) 0.01 A
2
s
Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 10 mA
Input Voltage Ripple Rejection 120 Hz 60 dB
OUTPUT CHARACTERISTICS
Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 4.925 5.0 5.075 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 100°C ±50 mV
Total Output Voltage Range Over load, line and temperature 4.85 5.15 V
Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth
Peak-to-Peak Full Load, 1µF ceramic, 10µF tantalum 30 mV
RMS Full Load, 1µF ceramic, 10µF tantalum 10 mV
Operating Output Current Range Vin=36V to 75V 0 7 A
Output DC Current-Limit Inception Vin=48V, 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 50% Io.max to 75% Io.max 150 mV
Negative Step Change in Output Current 75% Io.max to 50% Io.max 150 mV
Settling Time (within 1% Vout nominal) 100 us
Turn-On Transient
Start-Up Time, From On/Off Control 25 30 ms
Start-Up Time, From Input 25 30 ms
Maximum Output Capacitance Full load; 5% overshoot of Vout at startup 3000 µF
EFFICIENCY
100% Load 89.5 %
60% Load 88.5 %
ISOLATION CHARACTERISTICS +Vin & -Vin short, +Vo & -Vo short
Input to Output 2250 Vdc
Isolation Resistance 10 MΩ
Isolation Capacitance 1000 pF
FEATURE CHARACTERISTICS
Switching Frequency 400 kHz
ON/OFF Control, Negative Remote On/Off logic
Logic Low (Module On) Von/off -0.7 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 -0.7 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 0.25 mA
Leakage Current (for both remote on/off logic) Logic High, Von/off=15V 30 uA
Output Voltage Trim Range
Across Pins 4 & 5, Pout ≦ max rated power
-10% 10% %
Output Over-Voltage Protection Over full temp range 5.75 7.5 V
GENERAL SPECIFICATIONS
MTBF Io=80% of Io, max; Ta=25°C; air flow 300LFM 2.82 M hours
Weight 10.5 grams
Over-Temperature Shutdown Refer to Fig. 20 for measuring point 123 °C