LT-45N DC to DC Converter | 70W, 0-28VDC, 2.5A

K G S ELECTRONICS

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EDMO # LT-45N

MFR Part # LT-45(N)

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Product Description

The LT-45 is a pulse width-modulated DC to DC converter that provides regulated output power. This converter transforms an unregulated 28 VDC to regulated output power. The output voltage is adjusted via a remote control rheostat 5K ohm 1/2 W to ground.

The LT-45 is primarily designed to control the light intensity of incandescent bulbs in aircraft lighting. The LT-45 is qualified to the FAA technical standards order (TSO-C71) for airborne static DC-DC electrical power converters.

Features

State of the art design for regulation and positive logic for output overvoltage protection (PWM control topology).
The LT-45 is serviceable, small and lightweight.
Maximum output voltage is adjustable with an internal trim pot.
Designed to meet MIL-STD 704 Cat. B, MIL-STD-810C and MIL-STD-461A.

Specifications

Specification

Weight: 0.6 lbs (272 g)
Dimensions:

1.6 x 2.0 x 5.0 in (4.1 x 5.1 x 12.7 cm)
Watt Output:

70 W
Input Voltage:

22-36 VDC, 28 Nominal
Output Voltage:

0-28 VDC
Input Current:

2.9 A (at 28 VDC)
Output Current:

2.5 A (max)
Output Ripple:

8 mVpp typical @ 25°C, 25 mVpp maximum
Regulation:

2% for line, 2% load, and 2% temperature
Output Control:

Adjustable with external 5k ohm, 1/2 W linear pot (rheostat)
Efficiency:

75%
Input Circuit Breaker:

4-5 A
Temperature and Altitude:

-50 to 70°C @ mounting flange and at 55,000 ft. MIL-STD-810C Temperature and Altitude, Method 504.1, Proc 1, Cat 5.
Compliance:

FAA TSC-C71