rev 5.3.04

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1

Special Features

Electrical Specs

80 Watts

LPT80 Series

• Power Factor Correction

• EN61000-3-2 compliant

• Universal input

• 3” x 5” footprint

• Remote sense on outputs 1 (& 2 for LPT81)

• Power fail and remote inhibit

• Wide range adjustable on outputs 1 (& 2 for LPT81)

• Built-in Class B EMI filter

• Overvoltage protection

• Overload protection

Operating temperature: 0° to 50°C ambient;

derate each output at 2.5% per degree from 50° to

70°C

Electromagnetic susceptibility: designed to meet

EN61000-4, -2, -3, -4, -5, -6, -8, -11 Level 3

Humidity: Operating; non-condensing

5% to 95%

Vibration: Three orthogonal axes, sweep at

1 oct/min, 5 min. dwell at four major resonances

0.75 G peak 5 Hz to 500 Hz, operational

Storage temperature: -40° to 85°C

Temperature coefficient: ±.04% per °C

MTBF demonstrated: >550,000 hours at full load

and 25°C ambient condition

Input

Input range

85-264 VAC

120-300 VDC

Frequency

47-440 Hz

Inrush current

<18 A peak @ 115 VAC;

<36 A peak @ 230 VAC,

cold start @ 25°C

Input current

1.5 A max. (RMS) @ 115 VAC

Efficiency

75% typical at full load

EMI filter

FCC Class B conducted

CISPR 22 Class B conducted

EN55022 Class B conducted

VDE 0878 PT3 Class B conducted

Safety ground

leakage current

<1 mA @ 50/60 Hz, 264 VAC input

Output

Maximum power

60 W for convection( LPT81, 55 W);

85 W with 30 CFM forced air

Adjustment range

3.3V - 5.5V on outputs one

(and two 1.8 V - 3.5 V for LPT81)

Hold-up time

20 ms @ 85 W load, 115 VAC

nominal line

Overload protection

Short circuit protection on all outputs.

Case overload protected @ 145%

above peak rating

Overvoltage protection

Tracks outputs 1( & 2 for LPT81): 20%

to 35% above output setting

Logic Control

Power Failure

TTL Logic signal goes high 100-500

msec after main output; it goes low at

least 4 ms before loss of regulation

Remote inhibit

Requires a contact closure to inhibit

the outputs

Remote sense

Compensates for 0.5 V lead drop min.

Will operate without remote sense

connected. Reverse connection

protected.

VDE

60950

UL

60950

CSA

60950

NEMKO 60950

AUSTEL 60950

CB

Certificate & report

CE

Mark LVD

Environmental

Safety

Total Power:

55-85 Watts

Input Voltage: 85-264 VAC

120-370 VDC

# of Outputs:

Triple