HiRel Space Guide (Rev. A)

Featured ProductsPower Management3- 6.3 V IN , 6A Point-of-Load RegulatorTPS50601-SPThe TPS50601-SP is an integrated FET Point-of-Load regulator. 3 V–6.3 V Input, 6 Asynchronous POL stepdown SWIFT DC-DC Converter that has been designed andqualified for harsh environments such as down hole drilling, geological explorationand space. This product is qualified to both QML Class V and High Temp standards toaddress the specific requirements of both environments.Efficiency (p.u.)CssR RTVINCinC2SIMPLIFIED SCHEMATICR3C1PVINVINTPS50601BOOTENPHPWRGDSYNCVSENSESS/TRRTCOMP GNDThermalPadSimplified schematicCbootLoCoEfficiency vs. Load Current V IN=5 VVOUT1.000.950.900.850.800.750.700.650.600.550.500.450.400.350.300.250.200.150.100.050.000.00 1.00 2.00 3.00 4.00 5.00 6.00IL-Load Current-AV O=3.3 VR1R2V O=1.2 VKey Features• 6 A output current• Peak efficiency: 95% (V out = 3.3 V)• Single-supply operation above 3 V IN• Split power-rail 1.6 V to 6.3 V PV IN• Min output voltage to 0.8 V• Integrated high-side and low-sidepower MOSFETs• External sync capability from 100 kHzto 1 MHz• Supported by TI’s SwitcherProdesign software tool• Parallel operation 180° out of Φ withsync pin (Ideal for driving power railswith up to 12 A requirements)• Adjustable switching frequency100-kHz to 1-MHz adjustable internaloscillatorAllows designers to select desiredexternal capacitor and inductorcomponent sizesEliminates “Spurious Noise” in theoperating bandwidth of interest• Dynamic bias feature – Improves loadtransient response with smaller outputcapacitances• Thermally enhanced 20-pin HKHceramic dual flat-pack package –saves valuable PCB space• Orderable as 5962-1022101VSC,100kRad RHA certification (pending)Radiation Performance:• TID = 100 kRAD (Si)• Single Event Latchup (SEL) immuneat LET ≤ 85MeV-cm 2 /mg• ELDRS Free• Visit www.ti.com/radiation for detailedrad reportsVery efficient DC-DC conversion at 95% at 1 amp.Get more information: www.ti.com/product/TPS50601-SPSmall form factor reference designavailable.Texas Instruments Space Products Guide 2013 | 5