LCM1500 Data Sheet
Environmental Specications
Operating temperature: -40 °C to +70 °C, linear derating to 50% from 50 °C to 70 °C
Storage temperature: -40 °C to +85 °C
Humidity: 20 to 90%, non-condensing. Operating. Conformal coat option available
Fan noise: < 45 dBA, 80% load at 30
Altitude: Operating - 16,405 feet (3000m)
Storage - 30,000 feet
Shock: MIL-STD-810F 516.5, Procedure I, VI. Storage
Vibration: MIL-STD-810F 514.5, Cat. 4, 10. Storage
Electrical Specications
Output
Output rating: See table 1 90 - 264 Vac
Set point: ± 0.5% 90 - 264 Vac
Total regulation range: Main output ± 2%
5 Vsb ± 1%
Combined line/load/transient when measured at output
terminal
Rated load: 1500 W maximum Derate linear to 50% from 50 °C to 70 °C
Minimum load: Main output @ 0.0 A
5 Vsb @ 0.0 A
No loss of regulation
Output noise (PARD): 1% max p-p
50 mV max p-p
Main output
5 Vsb output
Measured with a 0.1 µF Ceramic and 10 µF Tantalum
Capacitor on any output, 20 MHz
Output voltage overshoot: No overshoot/undershoot outside the regulation band during
on or off cycle
Transient response: < 300 µSec 50% load step @ 1 A/µs
Step load valid between 10% to 100% of output rating
Recovery time to within 1% of set point at onset of transient
Max units in parallel: Up to 10
Short circuit protection: Protected, no damage to occur Bounce mode
Remote sense: Compensation up to 500 mV
Output isolation: Standard per safety requirements
Forced load sharing: To within 10% of all shared outputs Analog sharing control
Overload protection (OCP): 105% to 125%
120% to 170%
Main output
5 Vsb output
Overvoltage protection (OVP): 125% to 145%
110% to 125%
12 V output
5 Vsb output
Overtemp protection: 10 - 15 °C above safe operating area Both PFC and output converter monitored