topic MKL25Z128 Internal USB 3.3V regulator limitations in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL25Z128-Internal-USB-3-3V-regulator-limitations/m-p/405049#M22554 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Can I use the MKL25Z1128 USB 3.3V regulator to power the MCU, if I don't surpass Iout = 120mA?</P><P></P><P></P><P>Thanks,</P><P></P><P>Marco Coelho</P></BODY></HTML> Wed, 23 Sep 2015 21:02:47 GMT MAPC 2015-09-23T21:02:47Z MKL25Z128 Internal USB 3.3V regulator limitations https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL25Z128-Internal-USB-3-3V-regulator-limitations/m-p/405049#M22554 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Can I use the MKL25Z1128 USB 3.3V regulator to power the MCU, if I don't surpass Iout = 120mA?</P><P></P><P></P><P>Thanks,</P><P></P><P>Marco Coelho</P></BODY></HTML> Wed, 23 Sep 2015 21:02:47 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL25Z128-Internal-USB-3-3V-regulator-limitations/m-p/405049#M22554 MAPC 2015-09-23T21:02:47Z Re: MKL25Z128 Internal USB 3.3V regulator limitations https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL25Z128-Internal-USB-3-3V-regulator-limitations/m-p/405050#M22555 <HTML><HEAD></HEAD><BODY><P>Hi Marco,</P><P></P><P>Yes, you can use KL25 USB regulator 3.3V output to power the KL25 chip, please refer the application below:</P><P><span class="lia-inline-image-display-wrapper" image-alt="2015-09-24_10-41-35.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/57442iCAC4675808E20DD0/image-size/large?v=v2&amp;px=999" role="button" title="2015-09-24_10-41-35.png" alt="2015-09-24_10-41-35.png" /></span></P><P>Wish it helps.</P><P><BR />Have a great day,<BR />Ma Hui</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 24 Sep 2015 02:42:13 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKL25Z128-Internal-USB-3-3V-regulator-limitations/m-p/405050#M22555 Hui_Ma 2015-09-24T02:42:13Z