1. PXD POWER SUPPLY DESIGN 1 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30 J. Visniakov, P. Vázquez Universidad de Santiago de Compostela

2. PS block schematic 2 First board for primary floating voltages Second board for PXD powering µController DC-DC 5 output voltages EEPROM 18 output voltages USB controller Priority decoder Monitoring / controlling software 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30

3. First board. Schematics 3 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30

4. First board. Devices 4 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30 OrdercodeInput voltage rangeOutput voltage Output current max. Efficiency typ. TEN 40-2410WI 9 – 36 VDC (24 VDC nominal) 3.3 VDC10.0 A86% TEN 40-2411WI5.0 VDC8.0 A87% TEN 40-2412WI12 VDC3.35 A87% TEN 40-2413WI15 VDC2.65 A87% TEN 40-2422WI± 12 VDC± 1.65 A86% TEN 40-2423WI± 15 VDC± 1.35 A86% Features: High power density: 40W in 2”x2”x0.4” metal package Ultra wide 4:1 input voltage range Very high efficiency up to 87% No minimum load required for single output models Over temperature protection Under voltage lockout Remote On/Off Shielded metal case with insulated baseplate Optional heat-sink TRACO POWER TEN 40WI Series SymbolValueUnit VIVI 35V VOVO 2.5 to 25V IOIO 3A LT1185 Dropout Voltage: 0.75V at 3A Accurate Programmable Current Limit

5. First board. Layout 5 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30 Board size: 12x20 cm

6. Second board. Schematics (1) 6 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30 TL783C Output Adjustable From 1.25 V to 125 V 700-mA Output Current 0.001%/V Typical Input Voltage Regulation 0.15% Typical Output Voltage Regulation LT3022 VIN Range: 0.9V to 10V Dropout Voltage: 145mV Typical Output Current: 1 A AD5290 256 position 10 kΩ, 50 kΩ, 100 kΩ 3-wire SPI®-compatible serial interface

7. Second board. Schematics (2) 7 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30 LT1763 Low Dropout Voltage: 300mV No Protection Diodes Needed Overcurrent Protected SymbolValueUnit VIVI 20V VOVO 1.22 to 20V IOIO 0.5A LHC4913 3 A low dropout voltage Overtemperature and overcurrent protection Adjustable overcurrent limitation SymbolValueUnit VIVI 12V VOVO 1.23 to 9V IOIO 3A

8. Second board. Layout 8 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30 Board size: 15x26 cm

9. 9 5th International Workshop on DEPFET Detectors and Aplications. 2010.09.30 Thank you