DIO60120

Version 1.3, Aug 2025

www.dioo.com

© 2025 Dioo Microcircuits Co., Ltd. Jiangsu

III

Table of Contents

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

2. Absolute Maximum Ratings ........................................................................................................................ 3

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

4. ESD Ratings ................................................................................................................................................3

5. Thermal Considerations ..............................................................................................................................4

6. Electrical Characteristics .............................................................................................................................5

7. Typical Performance Characteristics .......................................................................................................... 6

8. Block Diagram .............................................................................................................................................8

9. Application Information ................................................................................................................................9

9.1. Enable.............................................................................................................................................. 9

9.2. Power-good (PG) indicator .............................................................................................................10

9.3. Undervoltage lockout......................................................................................................................10

9.4. Thermal shutdown ..........................................................................................................................10

9.5. Switch current limit and short-circuit protection ............................................................................. 10

9.6. Feedback resistor dividers R1 and R2...........................................................................................10

9.7. Input capacitor CIN.......................................................................................................................... 11

9.8. Output capacitor COUT.....................................................................................................................11

9.9. Output inductor L1 .......................................................................................................................... 11

9.10. Load transient considerations .......................................................................................................11

10. Layout Design ......................................................................................................................................... 12

11. Physical Dimensions ............................................................................................................................... 13

11.1. SOT23-5....................................................................................................................................... 13

11.2. SOT23-6....................................................................................................................................... 14

11.3. DFN2*2-8 ......................................................................................................................................15

11.4. DFN3*3-10 ....................................................................................................................................16

11.5. SOIC-8 ..................................................................................................................................................17