DIO60011/A

Version 1.2, Jun 2025

www.dioo.com

© 2025 Dioo Microcircuits Co., Ltd. Jiangsu

III

Table of Contents

1. Pin Assignment and Functions ........................................................................................................................... 1

2. Absolute Maximum Ratings ................................................................................................................................ 2

3. Recommended Operating Conditions .................................................................................................................2

4. ESD Ratings ........................................................................................................................................................2

5. Electrical Characteristics .....................................................................................................................................3

6. Typical Performance Characteristics .................................................................................................................. 4

7. Block Diagram .....................................................................................................................................................6

8. Application Information ........................................................................................................................................7

8.1. Enable...................................................................................................................................................... 7

8.2. Undervoltage lockout................................................................................................................................8

8.3. Thermal shutdown ....................................................................................................................................8

8.4. Switch current limit and short-circuit protection ....................................................................................... 8

8.5. Feedback resistor dividers R1 and R2.....................................................................................................8

8.6. Input capacitor CIN....................................................................................................................................8

8.7. Output capacitor COUT.............................................................................................................................. 9

8.8. Output inductor L......................................................................................................................................9

8.9. Load transient considerations .................................................................................................................. 9

9. Layout Design ................................................................................................................................................... 10

10. Physical Dimensions: ...................................................................................................................................... 11

10.1. SOT563 ................................................................................................................................................ 11

10.2. SOT23-6...............................................................................................................................................12

10.3. DFN1.5*1-6 .......................................................................................................................................... 13

List of Figures

Figure 1. SOT563 (Top view) ..................................................................................................................................1

Figure 2. SOT23-6 (Top view) .................................................................................................................................1

Figure 3. DFN1.5*1-6 (Top view) ............................................................................................................................ 1

Figure 4. VIN start.................................................................................................................................................... 4

Figure 5. VIN drop ....................................................................................................................................................4

Figure 6. VEN start................................................................................................................................................... 4

Figure 7. VEN drop ................................................................................................................................................... 4

Figure 8. Load transient .......................................................................................................................................... 4

Figure 9. Load transient .......................................................................................................................................... 4

Figure 10. Ripple .....................................................................................................................................................5

Figure 11. Ripple .....................................................................................................................................................5

Figure 12. Short circuit protection ...........................................................................................................................5

Figure 13. Short circuit recovery .............................................................................................................................5

Figure 14. Efficiency vs. Load current.................................................................................................................... 5

Figure 15. Typical application ................................................................................................................................. 7

Figure 16. Feedback resistor dividers R1 and R2 .................................................................................................. 8