VTC300-MS C.O.T.S. 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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This all new single board design incorporates state of the art switchmode technology for unmatched efficiency and ultra-quiet operation.

Multiple stages of filtering reduce radiated or conducted noise to very low levels. Extra features include adjustable output voltage, audible and visual indicators for low input voltage, low output voltage, over temperature and overload.

Safety features include reverse input protection, over-temperature shutdown, current limiting, short circuit shutdown, a dry contact alarm .relay output and output overvoltage crowbar. Optional features include a remote panel monitoring with On-Off control.

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

Features

Adjustable output voltage
Audible & visual indicators for constant current, low input voltage, low output voltage & over-temperature
Extremely rugged and well suited for marine and other demanding environments
High tolerance for shock and vibration
Ultra-quiet low EMI operation
Current limiting protection
Reverse input protection
Output over-voltage crowbar
Dry contact output fail relay
Remote control option
Wide Temperature operation Available
Parallel output diodes available
Conformal Coating and/or Harsh Environment Ruggedization Standard
3 year parts and labour warranty

Military Option

Most of the products manufactured by Analytic Systems can be adapted for military use (Commercial Off The Shelf).

We provide four different levels of ruggedization; most often, a product in military use will use the extra-wide temperature range components to allow operation to -55 degrees Celsius.

The printed circuit boards are also protected against condensation and are enhanced with vibration protection that meets or exceeds MIL-STD810F, Method 514-3 and Cat-1 Proc 1.

C.O.T.S. products are designed to meet various levels of EMC radiated and conducted emissions MIL-STD 461E.

All C.O.T.S. products are manufactured in accordance with IPC-A-610.

Electrical [Input]
Model Number	VTC300-32-12	VTC300-32-24
Input Volts (DC)	20-45	30-45
Input Amps (Max)	20	22
Input Fuse (AGC)	25A
Noise on Input	< 25 mV

Electrical [Output]
Output Nominal (op)	12	24
Output Volts (DC)	13.6	27.2
Output Amps	25 cont. / 30 peak	20 cont. / 25 peak
Output Adjustment	± 0.5
Output Crowbar	16.0 ± 0.5V	32.0 ± 1.0V
Output Ripple & Noise	< 25 mV
Transient Response	< 1V for 50% Surge
Regulation (Line & Load)	< +/- 0.5%
Duty Cycle	Peak 20% for 10 min max Continuous 100% for 24 hours per day
Efficiency	>90% @ Maximum Output
EMC	Designed to meet MIL-STD 461E

Environmental Specification
Operating Temp. Range	-55° to +50°C @ maximum output Derate Linearly 2.5% per°C from 50°C
Humidity	0 - 95°C Relative Humidity (non-condensing) with standard conformal coating
Audible Noise	NONE Ødb @ 3 ft
Typical Service Life	>10 years (87,600 hours)
Isolation	Any Input or Output to Case 500 VDC Input to Output – Common Negative

Mechanical Specification
Length	9.1 in/ 23.1 cm
Width	7.8 in/ 19.8 cm
Height	2.5 in/ 6.4 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	#12 AWG Input Wires (Positive & Negative) Four contact output terminal
Vibration	Designed to meet MIL-STD810F, Method 514-3 and Cat-1 Proc 1
Interconnect	IPC-A-610
Warranty	3 years

Product Guide

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