VTC180 Series DC/DC Converters

Benefits

Ultra-Quiet
Power sensitive electronics without interference
Rugged & Reliable
Ensure years of safe and trouble free operation
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The VTC180 Series of voltage converters are variable duty cycle switching power supplies. They can be configured to run from a 24V, 32V, 48V or 72 VDC power systems to provide output voltages as shown below.

The VTC180 Series Voltage Converter features reverse input protection, current limiting, output over-voltage protection, ultra quiet low EMI operation and a wide operating temperature range.

We are confident that you will get many years of reliable service from this Voltage Converter.

Features

Input voltage range allows operation from 32, 48, or 72VDC power systems
Extremely rugged and well suited for marine and other demanding environments
High tolerance for shock and vibration
Ultra-quiet low EMI operation
Inrush protection
Current limiting protection
Reverse input protection
High Efficiency
Output over-voltage crowbar
Remote control option
Wide-Temperature operation Available
Conformal Coating and/or Harsh Environment Ruggedization Available
3 year parts and labour warranty

Applications

Marine & other rugged environments
Mobile Offices (TV and Radio Vans)
Automotive / RV
Electric Utilities and Substations
Base Station Power(Radio & Telecommunications)
Industrial Controls(OEM Applications)
Field Work / Construction Sites
Solar/Alternative Power Systems
Emergency Backup Power (UPS)

Electrical [Input]
Input Volts (ip)	32	48	72
Actual (Vdc)	*20-45	40-65	65-100
Input Amps (Max)	13.6	6.8	4.3
Input Fuse (MDA)	15	10	5
Noise on Input	< 10mV

*30 - 45 Vdc input range for a 24Vdc output

Electrical [Output]
Output Nominal (op)	12	24
Output Volts (DC)	13.6 ± 0.05	27.2 ± 0.05
Output Crowbar	16.0 ± 0.5V	32.0 ± 1.0V
Output Amps	15 cont./ 18 peak	7.5 cont./ 9.0 peak
Output Ripple & Noise	< 10 mV
Transient Response	< 1V for 50% Surge
Regulation (Line & Load)	< +/- 0.5%
Duty Cycle	Peak 20% for 10 min maximum Continuous 100% for 24 hours per day
Efficiency	> 90% @ Maximum Output

Environmental Specification
Operating Temp. Range	-25° to +50°C @ maximum output Derate Linearly 2.5% per°C from 40°C (Optional -40°C extra wide temp. operation avail.)
Humidity	0 - 95°C Relative Humidity (non-condensing) with optional conformal coating
Audible Noise	NONE Ødb @ 3 ft
Typical Service Life	>10 years (87,600 hours)
Isolation	Input to Case 1500VDC (500VDC @ 32V Input) 500VDC Output to Case

Mechanical Specification
Length	7.9 in/ 20.1 cm
Width	6.0 in/ 15.2 cm
Height	2.4 in/ 6.1 cm
Material	Marine Grade Aluminium
Finish	Black Anodize / Powder Epoxy Coat
Fastenings	All 18-8 Stainless Steel
Weight	4.0 lb / 1.8 kg
Connections	Four contact output terminals
Warranty	3 years

Product Guide

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