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LPT40-M Datasheet, PDF (2/3 Pages) Astec America, Inc – 40 Watts
Embedded Power for
Business-Critical Continuity
Rev. 2.16.09_165
LPT40-M Series
 of 3
Environmental Specifications
Operating temperature: 0° to 50 °C ambient derate each output at 2.5% per degree from 50° to 70 °C, -20 °C start up.
Electromagnetic
susceptibility:
Humidity:
Designed to meet IEC 801, -2, -3, -4, -5, -6, Level 3
Operating; non-condensing 5% to 95%
Vibration:
Storage temperature:
Temperature coefficient:
MTBF demonstrated:
Three orthogonal axes, sweep at 1 oct/min, 5 min. dwell at four major resonances 0.75G peak 5 Hz to 500
Hz, operational
-40° to 85 °C
±.04% per °C
> 550,000 hours at full load and 25 °C ambient conditions
Ordering Information
Model Number
Output Minimum Maximum Load with Maximum Load with
Voltage Load Convection cooling 30CFM Forced Air
Peak
Load1
Regulation2
+5V
0.4A
4A
5A
7A
±2%
LPT42-M
+12V
0.2A
2A
2.5A
4A
±5%
-12V
0A
0.5A
0.7A
1A
±5%
+5V
0.4A
4A
5A
7A
±2%
LPT45-M
+15V
0.2A
2A
2.5A
3A
±5%
-15V
0A
0.5A
0.7A
1A
±5%
1. Peak current lasting < 30 seconds with a maximum 10% duty cycle.
2­. At 25 °C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings.
Ripple P/P
(PARD)3
50mV
120mV
120mV
50mV
150mV
150mV
3­. Peak-to-peak with 20 MHz bandwidth and 10 µF in parallel with a 0.1 µF capacitor at rated line voltage and load ranges.
4. Minimum Loads are required.
Power Derating Curve
55W
30 CFM Forced Air Cooling
40W
Output 30W
Power
(Watts) 20W
Natural
Convection
Cooling
27.5W
20W
10W
0W
0°C 10°C 20°C 30°C 40°C 50°C 60°C 70°C
TA – Ambient Temperature – °C