DIO8833

Version 1.0, Nov 2025

www.dioo.com

© 2025 Dioo Microcircuits Co., Ltd. Jiangsu

IV

Figure 7. XTEC vs. TA..................................................................................................................................... 7

Figure 8. Efficiency vs. TEC current ............................................................................................................... 7

Figure 9. Efficiency vs. TEC current ............................................................................................................... 7

Figure 10. VIN start-up ....................................................................................................................................8

Figure 11. VIN shutdown .................................................................................................................................8

Figure 12. VIN start-up ....................................................................................................................................8

Figure 13. VIN shutdown .................................................................................................................................8

Figure 14. VIN start-up ....................................................................................................................................8

Figure 15. VIN shutdown .................................................................................................................................8

Figure 16. VIN start-up ....................................................................................................................................9

Figure 17. VIN shutdown .................................................................................................................................9

Figure 18. EN start-up .....................................................................................................................................9

Figure 19. EN shutdown ..................................................................................................................................9

Figure 20. EN start-up .....................................................................................................................................9

Figure 21. EN shutdown ..................................................................................................................................9

Figure 22. EN start-up ...................................................................................................................................10

Figure 23. EN shutdown ............................................................................................................................... 10

Figure 24. EN start-up ...................................................................................................................................10

Figure 25. EN shutdown ............................................................................................................................... 10

Figure 26. SD start-up ...................................................................................................................................10

Figure 27. SD shutdown ............................................................................................................................... 10

Figure 28. SD start-up ...................................................................................................................................11

Figure 29. SD shutdown ................................................................................................................................11

Figure 30. SD start-up ...................................................................................................................................11

Figure 31. SD shutdown ................................................................................................................................11

Figure 32. SD start-up ...................................................................................................................................11

Figure 33. SD shutdown ................................................................................................................................11

Figure 34. CTL transient ............................................................................................................................... 12

Figure 35. CTL transient ............................................................................................................................... 12

Figure 36. The relationship between VOL-VOS and CTL................................................................................ 15

Figure 37. The soft-start procedure of power stage ......................................................................................16

Figure 38. Hiccup mode protection due to short events. ..............................................................................19

List of Tables

Table 1. Register default value..................................................................................................................................24

Table 2. Current limit (ILIM) table................................................................................................................................ 25

Table 3. Voltage limit (VLIM) table...............................................................................................................................26