Vout = 2V/div

4ms/div

EN = 1/div

VIN = 5/div

Figure 8-8. Start-Up Through EN, IOUT = 1A

Vout = 2V/div

4ms/div

EN = 1/div

VIN = 5/div

Figure 8-9. Shutdown Through EN, IOUT = 1A

Vout = 2V/div

10ms/div

VIN = 5/div

Figure 8-10. Normal Operation to Output Hard

Short

Vout = 2V/div

10ms/div

VIN = 5/div

Figure 8-11. Output Hard Short Hiccup

8.3 Power Supply Recommendations

The TPSM861253 is designed to operate from input supply voltages in the range of 3.8V to 17V. Buck

converters require the input voltage to be higher than the output voltage for proper operation.

www.ti.com

TPSM861253

SLUSFD2A – SEPTEMBER 2023 – REVISED JANUARY 2024

Copyright © 2024 Texas Instruments Incorporated

Submit Document Feedback

15

Product Folder Links: TPSM861253