TSO & MIL Qualified

Multi-Channel DC/AC Power Converter

(0-5 Vdc, 0-28 Vdc & 0-115 Vac Three-Channel Dimmer Unit)


The DT30 is a pulse width modulated DC to DC/AC converter that provides regulated three-channel outputs, 0-5 Vdc / 0-20A, 0-28 Vdc / 0-4.3A and 0-115 Vac (400 Hz) / 0-1.04A.

Each output voltage is controlled independently by a slider voltage 0-5 Vdc from separate potentiometers 10K ohm 1/2 watt to ground or directly from a separate 0-5 Vdc voltage source. An internal trim pot is provided to adjust each output voltage ±5% at its full clockwise position of the external control pot.

Circuit protection includes low input voltage shutdown, soft start, high input voltage shutdown, output over voltage limit and output short circuit current limit. The DT30 is qualified to the rugged military requirements of MIL-Std-810C/D, MIL-STD-108E and MIL-STD-461B.

Input Voltage: 28 Vdc NOM., 18 to 32 Vdc
Output Voltage: CH1: 0-5 Vdc / 0-20 Amp (100 W)
CH2: 0-28 Vdc / 0-4.3 Amp (120 W)
CH3: 0-115 Vac / 0-1.04 A (120 VA) to EL panel (0.2 leading pf load)
Frequency: CH3: 400 (±10) Hz
Wave Form: CH3: Sine wave, single phase
Distortion (THD): CH3: 10% at 28Vdc at rated .2 pf load

CH1: 3% load, 2% line & 3% for temp.
CH2: 3% load, 2% line & 3% for temp.
CH3: 10% load, 2% line & 3% for temp.

Soft Start: Minimum soft start delay of 200 mSec at full load is provided during an application of step input voltage to reduce output in-rush current.
Overload (OL): Deliver 110% output power for 2 hours
Protection (OL): Withstands without damage or degradation load exceeding 110% to an output short circuit. Unit delivers rated output power upon removal of the overload condition
Protection (SC): Under a output short circuit condition, the input current folds back and the output current is limited to a safe value
Protection (OV): Output voltage is limited to 125% max
Shutdown (SD): Output shuts down when input voltage is below 13 Vdc and above 36±2 Vdc
Thermal (SD): Shuts down when air temperature inside unit reaches 105(±5)°C
Protection(OL): Withstands without damage or degradation a
Cooling: Thermostatically controlled fan at 60°C
Temperature: -55°C to +71 °C
Altitude: 55,000FT
Compliance: FAA TSO-C73
Environment: MIL-STD-810C/D & MIL-STD-108E
Connector Mating: M83723/77R2025N
Finish: Gold iridite per MIL-C-5541 Class 1A
Weight: 4.8 LBS (2.18 kgrams)
Size: 2.50 H x 6.50 W x 9.60 L inches
63.5 H x 165.1 W x 243.8 L mm
Less protrusion of connector and screw heads