LCM1500 Data Sheet

Environmental Specifications

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 (5,000 m)

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 Specifications

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 4

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