Product Manual
4
Introduction
The VTC180 Series Voltage Converter is a variable duty cycle switching power supply with a
precision linear regulator output. It can be congured to run from a 32, 48 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 tempera-
ture range.
Specications
Input Voltages
Nominal (i/p) 32 48 72
Actual (Vdc) * 20 – 45 40 – 65 65 – 100
Input Amps (max) 13.6 6.8 4.3
Input Fuse MDA-15 MDA-10 MDA-5
Output Voltages
Nominal (op) 12 24
Actual (Vdc) 13.6 ± 0.05 27.2 ± 0.05
Output Crowbar 16.0 ± 0.5 V 32.0 ± 1.0 V
Output Amps (cont) 15 7.5
Output Amps (max) 18 9
General
Noise on Input < 10 milli-Volts
Noise on Output < 10 milli-Volts
Transient Response < 1V for 50% Surge (Output Amps/2)
Efciency > 90 % @ maximum output
Temp. Range -25 to +50 deg. C @ maximum output
Isolation
1500Vdc from Input to Case (500Vdc for 32V input)
500Vdc from Output to Case
Length 7.9 in / 20.1 cm
Width 6.0 in / 15.2 cm
Height 2.4 in / 6.1 cm
Clearance 1 Inch (2.5 cm) all around
Material Marine Grade Aluminium
Finish Black Anodize
Fastenings 18-8 Stainless
Weight 2.6 lb / 1.1 kg
* Specications subjects to change without notice.
* 30 – 45 Vdc input range for a 24Vdc output