Mc34063 Usb Charger. Most phones work comfortably within this range. A car usb charger based on the mc34063 chip built to replace the 1 dollar chargers i keep buying after vetting them so i could actually use my phone while its charging.
5v usb car charger circuit with mc34063 stepdown dc dc converter. And 2 usb sockets. A car usb charger based on the mc34063 chip built to replace the 1 dollar chargers i keep buying after vetting them so i could actually use my phone while its charging.
And it can switch power at frequencies up to 100khz.
Switching regulators such as the 5 pin mc34167 lm2574 5 6 or lm2595 6 18 monolithic ics in to 220 packages are designed for use in dc dc buck or. 3 4 mc34063 regulator charger desktop computer usb 2 0 ports deliver about 500ma for a range of voltages between 4 8 v and 5 4 v. It is a very versatile chip used in most dc to dc v. However a 34063 can easily power a usb port with the 500ma supply that a standard compliant device will expect.
