MicroVerter® Series

High Reliability/COTS DC/DC Converters

	Miniature Size
	High Density- Up to 58 W/in.3
	Constant Frequency- 370 kHz
	Parallelable with Current Sharing
	Fault Tolerant - n+m Redundancy
	Non-Shutdown OVP
	Extremely Low Thermal Resistance

	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. UV300-12-STCRL)

UV300 series

Input Specifications

General Specifications

Input/Output Isolation	45000VDC, min. (consult factory for procedure)
Input/Baseplat Isolation	2500VDC, min.
Output/Baseplate Isolation	500VDC, min.
Input-to-Output Capacitance	5700pF typ.

Environmental Specifications

Operating Temperature	-40°C to +100°C
Thermal Resistance Case to Ambient	4.2°C/w typ.(single @ Tc=100°C)

Output Specifications

Output Voltage	See Selection Chart Above
Watts	252 Watts
Set Point Accuracy	±1% max. (no load)
Load Regulation	0.02% typ., 0.2% max (0 to Full Load)
Line Regulation	0.02% typ., 0.2% max. (Over Range)
Ripple	1% typ., 3% p-p max. (0 to 20MHz)
Output Power	See Selection Chart Above
Current Limit (auto. recovery)	110-120% typ. (full load)
Current Sharing (automatic)	±5% (full load)
Transient Response Singles	50µs typ.(20-80% load, .5A/µs, Vout 1%)
Transient Response Main Output Triples	200µs min. (10-20A, aux. loads 2.5A, .25A/µs, Vout 1%)
Transient Response Waveforms	See website: www.roassoc.com
Temp Drift	.02%/°C max.
Trim Range	±10% min. (consult factory for extended range)
Remote Sense Compensation	0.5V max. (total)
Over voltage Protection (Non-Shutdown, Auto Recovery)	120% typ. (or Vout +5 whichever is greater)
Over Temperature Shut-Down	105°C ± 5°C (Case Temperature)
Turn-On Time	250 msec, typ. (input power aplied, Vout 1%)
Enable Current (Logic Off)	1.0 mA, typ. (sink)
Turn-On Time	2msec, typ. (Vout within 1%)

Physical Specifications

Notes