14 to 28 VDC Step Up Converter

Available within 10 days

594,95 719,89  Excl. VATIncl. VAT

Lone Star Aviation’s new 14 to 28.0 vdc STEP-UP Converter is the smallest, most efficient (90%), and the most reliable STEP-UP converter in our industry today. This third-generation DC converter is ideal for applications that require voltage from 14 to 28 volts, such as the Bendix King KX-155, KX-165, KY-196A, KY-196B, Motorola VHF/UHF transceivers, and Artex ELTs.

Condition Factory New
Certification FAA 8130 or EASA Form 1
Warranty 24 Months
Part Number: LS03-05002-B Category:

Available within 10 days

Shipping Methods

We ship with trusted carriers at our negotiated rates

  • Pick up from our store (LKHS Airport)

Convenient Pickup at LKHS – Whether You Arrive by Car or Plane

Description

The Lone Star Aviation 14–28 VDC Step-Up Converter is a compact and reliable power conversion unit designed to provide a regulated 28 VDC output from a 14 VDC aircraft electrical system. It enables the operation of 28-volt avionics and accessories in aircraft equipped with a 14-volt electrical architecture.

Engineered specifically for aviation applications, this step-up converter delivers stable voltage conversion while meeting the reliability and performance expectations required for installed aircraft equipment. It is commonly used when upgrading avionics, installing 28 VDC accessories, or integrating systems that require a higher operating voltage than the aircraft’s primary power supply.

The LS03-05002-B is suitable for approved installations where a certified or manufacturer-approved voltage conversion solution is required, making it a practical choice for both retrofit and new avionics installations.

Key Features

  • Converts 14 VDC input to regulated 28 VDC output
  • Designed for aircraft electrical systems
  • Supports installation of 28 VDC avionics in 14 VDC aircraft
  • Compact and lightweight design
  • Reliable voltage regulation for sensitive avionics equipment
  • Suitable for retrofit and new installation applications

Specification

Technical Overview

Approvals

FAA TSO C71 TSO Category A

Input Voltage

9 VDC – 20 VDC

Input Transient Surge Protection

Input reverse polarity protection

Output Voltage

27.5 VDC

Output Current

8A (continuous), 9A, peak

Efficiency

90% (13.5 VDC @ 8A)

Over Voltage

20 VDC, max.

Over Current

110% — 140% > 10.0A auto recovery

Short Circuit

Auto Recovery

Output Ripple

20mVp-p — 25mVp-p

Operating Altitude

50,000 feet

Operating Temperature

-55°C to 71°C

Terminal Block

(4) Phillips pan head screws

MTBF

100,000 hr

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