Astrodyne Corporation 35 Hampden Road UV28 Tel: (508) 964-6300 Fx: (508) 339-0375 MICROVERTER ® SERIES 126-252 WATTS 28VDC INPUT 3/4 BRICK SINGLES FULL BRICK TRIPLES DESCRIPTION The µV28 Series are high density DC-DC converters designed for use in telecom and other centralized modular and distributed power applications. The µV28 Series use metal PC boards, planar transformers, and surface mount construction to produce up to 252 watts in a tiny package. FEATURES • 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 • Output Good Signal • Optional Sync Pin • Non-Shutdown OVP • • Thermal Protection • Current Limit/Short Circuit Protection MODEL SELECTION Model SINGLE OUTPUT Output Voltage 2.1V 3.3V 5V 8V 12V 15V 24V 28V Output Current 60A 50A 40A 30A 20A 16A 10A 9A µV28-T512 5V 12V -12V 35A* 3A* 3A* µV28-T515 5V 15V -15V 35A* 3A* 3A* µV28-2 µV28-3 µV28-5 µV28-8 µV28-12 µV28-15 µV28-24 µV28-28 TRIPLE OUTPUT *Maximum Total Output Power 185 W. Option: – A Output Good Deleted – S Sync. Pin Option www.astrodyne.com www.roassoc.com 30 Astrodyne USA: 1-800-823-8082 Astrodyne Corporation 35 Hampden Road Tel: (508) 964-6300 Fx: (508) 339-0375 UV28 MICROVERTER SERIES SPECIFICATIONS Min INPUT Input v oltage B r o w no u t In rus h c harge Input re fl ec ted ripple N o load pow er dis s ipation Logic dis abled pow er in Input ripple rejec tion Input ov erv oltage OUTPUT (Singles and Main Output of Triple) S et point ac c urac y Load regulation L ine regulation R ipple Trim range R em ote s ens e c om pens ation OVP (non shutdown auto. recovery) C urrent L im it (auto. rec ov ery ) C urrent s haring (autom atic ) Trans ient res pons e s ingles Trans ient res pons e m ain output triples Transient response Tem p drift Efficiency 20 18 Typical Max 28 Units 32 V DC V DC C oulom bs % w atts watts w atts dB V DC 2. 6x 10-4 20 1. 5 7.5 . 35 60 32 60 ±1 .2 .2 3 . 02 . 02 1 % % % % p-p % V total ± 10 0. 5 120* 110-120 ±5 50 % % % µs µs 200 Conditions 75% full output Full Load, nom inal line s ingles triples @ 120 H z no dam age to units no load 0 to Full Load o v e r r a nge 0 to 20M H z consult factory for extended range * or Vout +.5V whichever is greater Full Load Full lLoad 20-80% load,.5A/µs, Vout 1% 10-20A, aux. loads 2.5A, .25A/µs, Vout 1% See web site: www.roassoc.com . 02 See Curves on Page 80 % /°C (Auxiliary Outputs of Triples) S et point ac c urac y Load regulation L ine regulation R ipple C urrent L im it (auto. rec ov ery ) Trans ient res pons e Trans ient res pons e Trans ient res pons e Tem p drift ± 0. 5 .2 . 01 . 25 110-120 200 200 200 . 06 % % % % p-p % µs µs µs % /°C 10A on main, no load auxiliaries 0 to full load o v e r r a nge 0 to 20 m H z Full Load 20-80% load, Vout w ithin 1% low line to high line, Vout 1% 50-100% load, Vout 1% CONTROL Turn on tim e Logic turn on tim e Logic dis abled c urrent 2. 5 1 1 ms ms mA input power applied, Vout 1% Vout w ithin 1% s ink ISOLATION Input to output Input to c as e O utput to c as e Input to output c apac ity c ons ult fac tory for proc edure 2200 V DC V DC V DC pF OUTPUT THERMAL Operating temperature Automatic shut down temperature Thermal resistance case to ambient ±1 .5 .1 .5 1000 1000 200 -40 +100 +105 4.2 3.3 +100 +110 °C case °C case °C/w °C/w WEIGHT s ingles triples 7 9 oz. oz. SIZE s ingles triples 0. 5x 2. 4x 3. 6 0. 5x 2. 4x 4. 6 inc hes inc hes single @ Tc=100 °C triple @ Tc=100 °C www.astrodyne.com www.roassoc.com 30 Astrodyne USA: 1-800-823-8082 Astrodyne Corporation 35 Hampden Road Tel: (508) 964-6300 Fx: (508) 339-0375 MICROVERTER SERIES 2, 3 and 5V Output M odels 12 and 24V Output Models 85 90 EFFICIENCY (%) EFFICIENCY (%) 5V 80 3.3V 75 2V 70 50 100 150 OUTPUT POWER, WATTS 24V 80 75 200 Triple Output Models 50 100 150 200 OUTPUT POWER, WATTS 250 Triple Output Models 85 85 80 EFFICIENCY (%) EFFICIENCY (%) 12V 85 5V@ 22A 5V@ 13A 75 80 75 5V@5A 70 50 100 150 OUTPUT POWER, WATTS 5V Load Fixed, Aux. Output Loads Varied From 0 to 3A Each MINIMUM LOAD 70 200 Minimum 5V Load vs. Auxiliary Output Power µV28 andµV48-Triple Output Models µV300 Triple Output Models 2.0 2.0 1.5 1.5 5V LOAD (A) 5V LOAD (A) 100 150 200 OUTPUT POWER, WATTS Aux. Loads Fixed at ±2A, 5V Load Varied All Loads Varied – TRIPLES Minimum 5V Load vs. Auxiliary Output Power 1.0 Tc=100 °C 0.5 50 Tc=100 °C 1.0 Tc=25 °C 0.5 Tc=70 °C 0.0 30 36 42 48 54 60 66 72 78 AUXILIARY OUTPUT POWER, WATTS 84 90 0.0 30 36 42 48 54 60 66 72 78 84 90 AUXILIARY OUTPUT POWER, WATTS Note: Efficiencies are typical for Tc=25°C and Nominal Input. Input and Output Voltages are measured at the Pins. www.astrodyne.com www.roassoc.com Astrodyne USA: 1-800-823-8082