TM 150W and 240W DC-DC CONVERTERS MODELS: SV28-12-150/200 28VDC INPUT (18-36 VDC) 12 VDC @ 12.5A OUTPUT (-150) 20A OUTPUT (-200) Designed for Vehicle, Airborne and other rugged environment applications MODEL SELECTION FEATURES • Industry Standard Halfbrick Package • High Efficiency • Constant Frequency • Clamp Over-Voltage Protection • Remote Sense • Trim Range: -40 to +10% • Encapsulated • High Power Density: up to 54 W/cu.in. • Low Noise • -40 to +100°C Operation • 105°C Over Temperature Protection • Choice of On/Off Logic • UL/CSA/TUV & CE Compliant • Threaded Mounting Holes Model Number Input Output Output Voltage Voltage Current (Vdc) (Vdc) (A) SV28-12-200-1 18-36 12 20 SV28-12-150-1 18-36 12 12.5 DESCRIPTION The SuperVerter series modules are high-density DC-DC converters designed for use in military and industrial applications such as on board vehicle and avionics electronic equipment. These are high power 28V input, 12V output, half brick modules that use insulated metal substrates, planar transformers, surface mount construction and thermally conductive potting to produce up to 240W of low noise, 12V output power. Astrodyne Corporation PH: 800-823-8082 FX: 508-339-0375 www.astrodyne.com Email: [email protected] www.roassoc.com SUPERVERTER DC-DC Converters TM SV28-12-150/200 ABSOLUTE MAXIMUM RATINGS Exceeding absolute maximum ratings may cause permanent damage or reduce reliability. PARAMETER MIN Input Voltage (+In to –In) Transient Input Voltage (+In to –In) Input/ Case Isolation Output/ Case Isolation Input/ Output Isolation Storage Temperature Operating Temperature Soldering Temperature (Wave Solder) Soldering Temperature (Hand Solder) -40 -40 MAX UNITS 40 50 1500 500 1500 +110 +100 260 390 Vdc Vdc Vdc Vdc Vdc °C °C °C °C CONDITIONS Continuous 100 msec. max. Baseplate < 5 sec. < 7 sec. ELECTRICAL SPECIFICATIONS Electrical specifications apply over the entire range of input voltage, output current, and temperature unless indicated. INPUT PARAMETERS Input Voltage Maximum Input Current SV28-12-150 SV28-12-200 Inrush Transient Input Reflected Ripple Current Input Ripple Rejection OUTPUT PARAMETERS Voltage Set Point MIN TYP MAX UNITS 18 28 36 Vdc 10.6 15.8 1 A 5 60 Rated Output Current SV28-12-150 SV28-12-200 Astrodyne Corporation 35 Hampden Rd 5Hz to 20MHz, 12µH source impedance @120 Hz CONDITIONS TYP MAX UNITS 11.78 12.00 12.22 Vdc 0.05 0.01 0.2 0.1 % % 50 150 1.5 50 200 mV % mV rms mV p-p 12.5 20 A A Voltage Drift w/Temperature Total Regulation Ripple 0.3 0.3 Full load (See input characteristic curve) A2sec mAp-p dB MIN Load Regulation Line Regulation CONDITIONS 28 Vin, 25°C, full load 0.3 A to full load Over Vin range -40 to +100 °C 5 Hz to 20 MHz, ripple may exceed spec below minimum load At Iout < Iout(min), the output ripple may exceed the specification. All other aspects of the unit will function properly at no load. www.astrodyne.com www.roassoc.com Tel: (800) 823-8082 Fax: (508) 339-0375 [email protected] SUPERVERTER DC-DC Converters TM SV28-12-150/200 ELECTRICAL SPECIFICATIONS (continued) Current Limit Inception SV28-12-150 SV28-12-200 14.4 23.0 Short Circuit Current Switching Frequency Transient Response Peak Deviation (0.1A/µsec slew rate) Transient Response Settling Time (0.1 A/µsec slew rate) 170 % F.L. kHz % Vout 300 84 84 External Load Capacitance 0 MIN Input-to-Output Capacitance Input-to-Output Resistance 10 FEATURE PARAMETERS MIN Trim Range Remote Sense Compensation Over Voltage Clamp (NonShutdown, Auto. Recovery) Over Temperature Shut-down Turn-On Time A A 370 2 Efficiency SV28-12-150 SV28-12-200 ISOLATION PARAMETERS 16.3 25.0 % % 86 86 TYP 5,000 µF MAX UNITS 2000 TYP 60 13.2 +105 20 µsec Vout = 90% Vout nominal Vout = 250 mV Load change from 50% to 75% or 50% to 25% full load Vin = 28 V, Tcase = 25 °C, Vout within 1% Vout nominal Vin = 28 V, full load, Tcase = 70 °C Electrolytic Capacitor CONDITIONS pF M Ohms MAX UNITS 110 1.2 16 %Vout Vdc Vdc 35 °C msec CONDITIONS 80% load, Vout within 1% of steady state Logic On/Off * Logic Low Von/off 0 1.2 V @ Ion/off = 1mA Ion/off 1.0 mA @ Von/off = 0V Logic High: Von/off 15 V @ Ion/off = 1mA Ion/off 50 µA @ Von/off = 15V * Negative logic on/off is standard, positive logic is optional (delete the “-1” suffix from model number for positive logic). With negative logic, logic low turns module on, logic high turns it off. The reverse is true for positive logic. Astrodyne Corporation 35 Hampden Rd www.astrodyne.com www.roassoc.com Tel: (800) 823-8082 Fax: (508) 339-0375 [email protected] TM SV28-12-150/200 DC-DC Converter MECHANICAL SPECIFICATIONS MECHANICAL PARAMETERS MIN Weight Size Thermal Resistance, Case-toAmbient TYP MAX 118 (4.2) 0.5 x 2.4 x 2.28 6.6 UNITS CONDITIONS g (oz.) Inches °C/W See Outline Drawing Tcase = 100 °C TRIM CIRCUIT CONFIGURATIONS +Out +Out +Sense +Sense Trim Rtrim-up -Sense Load Trim OUTLINE DRAWING DIMENSIONS: Rtrim-dn 2.28 [57.9] Load 0.19 [4.8] INCHES [MILLIMETERS] 0.224 Ø MAX [5.69 Ø MAX] MOUNTING INSERTS M3 x 0.5 THRU 4 PL 1.90 [48.3] -Sense -Out 2.40 [61.0] -Out Trim Up 0.20 [5.1] Trim Down -IN 0.30 [7.6] -OUT CASE 0.400 [10.16] -S 2.00 [50.8] 0.300 [7.62] 0.300 [7.62] T ON/ OFF +S 0.400 [10.16] +OUT +IN TRIM RESISTOR CALCULATIONS R trim−up 12× (100+ Δ% ) (100 + 2 × ∆% ) kohms = − 1.225 × ∆ % ∆% R trim−down = 100 − 2 kohms ∆% 0.040 [1.02] Ø PIN FUSED TIN OVER COPPER 7 PL 0.47 [11.9] 0.40 [10.2] 0.080 [2.03] Ø PIN FUSED TIN OVER COPPER 2 PL 0.20 MIN [5.1 MIN] ALUMINUM HEATSINK SURFACE 0.515 ± 0.020 [13.08 ± 0.5] ∆ % = Desired Output Voltage Change ( ∆ % > 0) R trim−up = External Resistor Value to Increase Vo TOLERANCES: x.xx in. ± 0.02 in. [x.x mm. ± 0.5 mm.] x.xxx in. ± 0.010 in. [x.xx mm. ± 0.25 mm.] R trim−down = External Resistor Value to Decrease Vo Astrodyne Corporation 35 Hampden Rd www.astrodyne.com www.roassoc.com Tel: (800) 823-8082 Fax: (508) 339-0375 [email protected]