DIA7965

Version 1.0, Dec 2023

www.dioo.com

© 2023 DIOO MICROCIRCUITS CO., LTD.

III

Table of Contents

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

2. Absolute Maximum Ratings ........................................................................................................................ 1

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

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

5. Thermal Considerations ..............................................................................................................................2

6. Electrical Characteristics .............................................................................................................................3

7. Typical Characteristic .................................................................................................................................. 4

8. Block Diagram .............................................................................................................................................7

9. Function Description ................................................................................................................................... 8

9.1. Input capacitor selection (CIN) .......................................................................................................... 8

9.2. Output capacitor selection (COUT) .....................................................................................................8

9.3. Enable operation .............................................................................................................................. 8

9.4. Output current limit........................................................................................................................... 9

9.5. Short circuits protection ....................................................................................................................9

9.6. Thermal shutdown ............................................................................................................................9

9.7. Dropout voltage ................................................................................................................................ 9

9.8. Power dissipation and heat sinking..................................................................................................9

9.9. Power supply rejection ratio ........................................................................................................... 10

9.10. Turn-on time................................................................................................................................. 10

10. Layout Guidelines ................................................................................................................................... 10

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

11.1. SOT23-5........................................................................................................................................11

11.2. DFN1*1-4 ......................................................................................................................................12