Datasheet
Table Of Contents
- Table 1. Device summary
- 1 Application circuit
- 2 Pin configuration
- 3 Maximum ratings
- 4 Electrical characteristics
- 5 Application information
- 5.1 Description
- 5.2 External components selection
- 5.3 Output capacitor (VOUT > 2.5 V)
- 5.4 Output capacitor (0.8 V < VOUT < 2.5 V)
- 5.5 Output voltage selection
- 5.6 Inductor (VOUT > 2.5 V)
- 5.7 Inductor (0.8 V < VOUT < 2.5 V)
- 5.8 Function operation
- 6 Layout considerations
- 7 Diagram
- 8 Typical performance characteristics
- Figure 9. Voltage feedback vs. temperature
- Figure 10. Oscillator frequency vs. temperature
- Figure 11. Max duty cycle vs. temperature
- Figure 12. Inhibit threshold vs. temperature
- Figure 13. Reference line regulation vs. temperature
- Figure 14. Reference load regulation vs. temperature
- Figure 15. ON mode quiescent current vs. temperature
- Figure 16. Shutdown mode quiescent current vs. temperature
- Figure 17. PMOS ON resistance vs. temperature
- Figure 18. NMOS ON resistance vs. temperature
- Figure 19. Efficiency vs. temperature
- Figure 20. Efficiency vs. output current@Vout = 5 V
- Figure 21. Efficiency vs. output current@Vout = 3.3 V
- Figure 22. Efficiency vs. output current@Vout = 12 V
- 9 Package mechanical data
- Table 6. Power SO-8 (exposed pad) mechanical data
- Figure 23. Power SO-8 (exposed pad) dimensions
- Figure 24. Power SO-8 (exposed pad) recommended footprint
- Table 7. Power SO-8 (exposed pad) tape and reel mechanical data
- Figure 25. Power SO-8 (exposed pad) tape and reel dimensions
- Table 8. DFN8 (4X4) mechanical data
- Figure 26. DFN8 (4x4) dimensions
- Table 9. DFN8 (4x4)tape and reel mechanical data
- Figure 27. DFN8 (4x4)tape and reel dimensions
- 10 Revision history

ST1S10 Maximum ratings
Doc ID 13844 Rev 5 7/29
3 Maximum ratings
Note: Absolute maximum ratings are the values beyond which damage to the device may occur.
Functional operation under these conditions is not implied.
Table 3. Absolute maximum ratings
Symbol Parameter Value Unit
V
IN_SW
Positive power supply voltage -0.3 to 20 V
V
IN_A
Positive supply voltage -0.3 to 20 V
V
INH
Inhibit voltage -0.3 to V
IN_A
V
V
SW
Output switch voltage -0.3 to 20 V
V
FB
Feedback voltage -0.3 to 2.5 V
I
FB
FB current -1 to +1 mA
Sync Synchronization -0.3 to 6 V
T
STG
Storage temperature range -40 to 150 °C
T
OP
Operating junction temperature range -40 to 125 °C
Table 4. Thermal data
Symbol Parameter PowerSO-8 DFN8 Unit
R
thJA
Thermal resistance junction-ambient 40 40 °C/W
R
thJC
Thermal resistance junction-case 12 4 °C/W