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Regulator family tips detect function

Posted: 19 Jan 2010 ?? ?Print Version ?Bookmark and Share

Keywords:voltage regulator? CMOS? voltage detection?

XC6408D, XC6408E voltage regulators

Torex Semiconductor Ltd brings to market a series of 28V voltage regulators with voltage detection function. The XC6408D monitors the output voltage of the regulator, and when the output voltage falls below the set level, outputs a reset signal from the VDOUT pin. The reset time (release delay time) can be set with an external capacitor. The XC6408E monitors any external voltage, and when voltage detection occurs, turns off the regulator output, enabling the regulator to be put in standby mode. Even with an input voltage of 28V, non-load quiescent current is only 8?A on the XC6408E and 9.5?A on the XC6408D thanks to the CMOS process.

The regulator includes internal over-current and over-heating protection circuits. When the output current reaches the current limit or the junction temperature reaches the temperature limit, the corresponding circuit activates to protect the IC.

A variety of package sizes are available, including the SOT-89-5, SOT-25, and USP-6C, allowing selection to match a wide range of applications from portable devices to household electrical appliances and car navigation.

The XC6408 series offers 28V voltage regulators in standard fixed output voltages of 2.5-, 3-, 3.3-, 5-, 8-, 9- and 12V. The XC6408D delivers output and output voltage status signal by error flag while the XC6408E offers an external voltage monitoring pin. The voltage regulator series also offers low quiescent current of 9.5?A typical on the XC6408D (VROUT =12V, VDOUT =11V) and 8?A typical on the XC6408E series (VROUT =12V).





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