DIO2186

Version 1.0, Apr 2026

www.dioo.com

© 2026 Dioo Microcircuits Co., Ltd. Jiangsu

IV

List of Figures

Figure 1. SC70-6 (Top view) ........................................................................................................................... 1

Figure 2. SOT23-5 (Top view) .........................................................................................................................1

Figure 3. WLCSP-6 (Top view) ....................................................................................................................... 1

Figure 3. Quiescent current vs. VS..................................................................................................................6

Figure 4. Quiescent current vs. Temperature ................................................................................................. 6

Figure 5. VOS vs. VCM.......................................................................................................................................6

Figure 6. VOS vs. Temperature ........................................................................................................................ 6

Figure 7. Step response (10-mVPP input step) ................................................................................................6

Figure 8. Common-mode voltage transient response .................................................................................... 6

Figure 9. High-side and Low-side sensing connections ................................................................................. 9

Figure 10. Using the REF pin to level-shift output voltage ........................................................................... 10

Figure 11. Unidirectional and bidirectional application ..................................................................................11

Figure 12. Basic connections ........................................................................................................................12

Figure 13. Filter at the input pins .................................................................................................................. 13

Figure 14. Transient protection using dual zener diodes ..............................................................................15

Figure 15. Transient protection using a single transzorb and input clamps ................................................. 15

Figure 16. Microamp current measurement..................................................................................................16

Figure 17. Typical application DC transfer function ...................................................................................... 17

List of Tables

Table 1. Design parameters.......................................................................................................................................16