DPM4102

Version 1.0, May 2026

www.dioo.com

© 2026 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 ................................................................................................................................................3

5. Electrical Characteristics .............................................................................................................................4

6. Typical Characteristics ................................................................................................................................ 6

7. Block Diagram .............................................................................................................................................9

8. Function Description ................................................................................................................................. 10

8.1. Operation ........................................................................................................................................ 10

8.2. Buck mode (VIN > VOUT) .................................................................................................................. 10

8.3. Boost mode (VIN < VOUT) ................................................................................................................. 10

8.4. Buck-boost mode (VIN ≈ VOUT) ........................................................................................................ 10

8.5. Undervoltage lockout (UVLO) .........................................................................................................10

8.6. VCC power supply .......................................................................................................................... 11

8.7. Internal soft start (SS) ..................................................................................................................... 11

8.8. MODE setting ..................................................................................................................................11

8.9. Overcurrent protection (OCP) and two current limits ......................................................................11

8.10. Power good (PG) indication ........................................................................................................11

8.11. Overvoltage protection (OVP) .....................................................................................................11

8.12. Thermal shutdown ........................................................................................................................ 12

9. Application Information ..............................................................................................................................13

9.1. Setting the output voltage (VOUT).................................................................................................... 13

9.2. Selecting the input and output capacitors ...................................................................................13

9.3. PCB layout guidelines ...................................................................................................................14

10. Physical Dimensions: ECLGA-14 ........................................................................................................... 15