1. Ivan Peric, DEPFET Workshop SWITCHER 4 Ivan Peric, Peter Fischer University Heidelberg

2. Ivan Peric, DEPFET Workshop Introduction Vertical DMOS structure Comparison of SWITCHER types Simulation results

3. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (standard)

4. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (standard) – gate voltage 3.5V

5. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (standard) – drain voltage 50V 3.5V

6. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (standard) - irradiation Leakage

7. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (annular)

8. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (annular)

9. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (annular) – radiation tolerance No leakage

10. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (annular) Too close ?

11. Ivan Peric, DEPFET Workshop Cylindrical geometry Radial geometry Charge density r x

12. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D DNMOS (annular) S Too close

13. Ivan Peric, DEPFET Workshop D G SB p- sub p- n- n+p+ D G S DNMOS (annular)

14. Ivan Peric, DEPFET Workshop 20V maximal voltage Floating logic Two outputs/channel  Rad soft  Relative slow SWITCHER 2

15. Ivan Peric, DEPFET Workshop 600/0.35 200/0.35 50  Small current to hold source voltages R to prevent transient voltage stress * * * For low-voltage operation Vdd  [2Vmax, Vmax] Various supplies  10.5V maximal voltage Floating logic (possible) Two outputs/channel (possible) Rad hard Fast  0,3,6,9V supply/output SWITCHER 3

16. Ivan Peric, DEPFET Workshop 50V maximal voltage Floating logic Two outputs/channel Rad hard Relative fast  0,3,17,20V supply/channel – 3 and 17 generated intenally Break before make SWITCHER 4

17. Ivan Peric, DEPFET Workshop logic out SWITCHER 4 20V 17V 3V 0V in

18. Ivan Peric, DEPFET Workshop SIMULATION

19. Ivan Peric, DEPFET Workshop SWITCHER 4 - 64 channels - Clear and gate output - Pin compatible with switcher 2 - LVDS inputs - Shift register - Voltage regulators

20. Ivan Peric, DEPFET Workshop Regulator

21. Ivan Peric, DEPFET Workshop Regulator