MicroVerter® Series

High Reliability/COTS DC/DC Converters

Miniature Size

High Density - Up to 58 W/in.3

Constant Frequency - 370kHz

Parallelable with Current Sharing

Fault Tolerant - n+m Redundancy

Extremely Low Thermal Resistance

Model Number

Output Voltage

Output Amps
UV48-T512 5 Volts / 12 Volts / -12 Volts (DC) 35 Amps / 3 Amps / 3 Amps
UV48-T515 5 Volts / 15 Volts / -15 Volts (DC) 35 Amps / 3 Amps / 3 Amps

*Maximum Total Output Power 185 Watts

  Multiple Configurations Available
S= Synchronization 330-400KHz
T= -55°C to 100°C Operating Temperature
C= Conformal Coating
E= -55°C to 125°C Operating Temperature (Consult tech@astrodyne.com for output power rating)
RL= No Pure Tin
LF= RoHS Compliant
  (ex. UV48-T512-STCRL)

UV48 Triple series

Input Specifications

Input Voltage (+In to -In)

48VDC ± 12VDC, 72VDC max.
Brownout 32VDC min. (75% fulll output)
In Rush Charge 2.6 x 10-4 Coulombs typ.
Input Reflected Ripple 20% typ. (full load, nominal line)
No Load Power Dissipation 7.5 watts
Logic Disabled Power In 1 watt

Input Ripple Rejection

60dB @120Hz, typ.
Input Overvoltage 72VDC min., 100VDC max. (no damage to units)

General Specifications

Input/Output Isolation

3000VDC, min.

Input/Baseplat Isolation

1500VDC, min.

Output/Baseplate Isolation

500VDC, min.

Input-to-Output Capacitance

2200pF typ.

Environmental Specifications

Operating Temperature

-40°C to +100°C

Thermal Resistance Case to Ambient

3.3°C/w typ. (triple @ Tc=100°C)

Output Specifications

Output Voltage

See Selection Chart Above
Watts 252 Watts
Set Point Accuracy ±0.5% typ., ±1% max. (10A on main, no load auxiliaries)

Load Regulation

0.2% typ., 0.5% max (0 to Full Load)

Line Regulation

0.01% typ., 0.1% max. (Over Range)

Ripple

 .25% typ., 0.5% max. p-p (0 to 20 mHz)

Output Power

See Selection Chart Above

Current Limit (auto. recovery)

110-120% typ.(full load)

Current Sharing (automatic)

±5% typ. (full load)

Transient Response

200µs typ. (20-80% load, Vout within 1%), 200µs typ. (low line to high line, Vout 1%), 200µs typ. (50-100% load, Vout 1%)
Temp Drift .06%/°C typ.
Over Temperature Shut-Down 105°C ± 5°C (Case Temperature)
Turn-On Time 2.5 msec, typ. (input power applied, Vout 1%)
Enable Current (Logic Off) 1.0 mA typ. (sink)
Turn-On Time 1.0 msec, max. (Vout within 1%)

Physical Specifications

Size (mm)

 1.3 x 6.1 x 11.7 mm

Size (Inches)

 0.5" x 2.4" x 4.6"

Weight (g)

 255.1g

Weight (oz)

 9 oz