VTC72 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 VTC72 Series of Voltage Converter supplies 12V or 24 Vdc from 32V, 48V or 72 Vdc power systems for use in heavy equipment, marine, industrial, or alternative energy environments.

State of the Art Switchmode design offers high reliability, high efficiency and minimum size.

The unit has reverse input protection, output current limiting and output overvoltage protection.

Features

Input voltage range allows operation from 32, 48, or 72VDC power systems
Reverse input protection
Extremely rugged and well suited for marine and other demanding environments
High tolerance for shock and vibration
Short circuit protection
Ultra-quiet low EMI operation
Output over-voltage crowbar
Inrush Current Limiting
Wide operating temperature range
Easily mounted
Remote On-Off version available (call factory for details)
Wide-Temperature operation Available
Conformal Coating and/or Harsh Environment Ruggedization Available
Optional: Potting to Class 1, Div2 Standards available
3 year parts and labour warranty

Applications

Natural Gas and Oil Patch
Mobile Offices (TV and Radio Vans)
Marine / Automotive / RV
Industrial Controls(OEM Applications)
Field Work / Construction Sites
Solar/Alternative Power Systems
Run any 12V Equipment

Electrical [Input]
Input Volts (ip)	32	48	72
Actual (Vac)	*20-45	40-65	65-100
Input Amps (Max)	5.4	2.7	1.7
Input Fuse (MDA)	6	4	3
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	5.3 cont./ 6.5 peak	2.6 cont./ 3.25 peak
Output Ripple & Noise	< 10 mV
Transient Response	< 1V for 50% Surge
Regulation (Line & Load)	< +/- 0.5%
Durability	Peak 20% for 10 min maximum Continuous 100% for 24 hours per day
Efficiency	> 88% @ Maximum Output

Environmental Specification
Operating Temp. Range	-40° 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	Any Input or Output to Case 1500 VDC Input to Output – Common Negative

Mechanical Specification
Length	4.12 in/ 10.5 cm
Width	4.3 in/ 10.9 cm
Height	1.89 in/ 4.9 cm
Material	Marine Grade Aluminium
Finish	Black Anodize / Powder Epoxy Coat
Fastenings	All 18-8 Stainless Steel
Weight	0.62 lb / 0.28 kg
Connections	Pluggable 4 contact output terminals
Warranty	3 years

Product Guide

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