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LDO regulator boast low power consumption, high speed

Posted: 04 Apr 2011 ?? ?Print Version ?Bookmark and Share

Keywords:LDO? regulator? XC6505?

Torex Semiconductor has released the XC6505, a 10.5V input, low power consumption, high-speed 200mA LDO regulator.

The XC6505 series achieve load-transient response characteristics (PSRR=60dB@1kHz) on par with high-speed LDO regulators but with the low power consumption of only 5.5?A.

With input voltage range of 1.7-10.5V, the series targets specifications that require 5V supply, such as applications that operate on a Li-ion two-cell battery, four dry cell batteries, or a 9V dry cell battery, or in the latter stage of 6V output DC/DC. The maximum output current is 200mA and the output voltage range can be set in steps of 0.1V within a range of 1.5 to 8.0V. Voltage accuracy is 1.0 percent (2.0 to 8.0V) or 20mV (1.5 to 1.9V). Dropout voltage is 190mV at 100mA (VOUT=3.3V). The XC6505 series includes current limitation (300mA, TYP.), short circuit protection (110mA, TYP.), and thermal protection.

The XC6505B series includes a CL discharge function that enables high-speed return of the VOUT pin to the VSS level by quickly discharging the charge.

The small USP-6C package, SOT-25 and SOT-89-5 packages are available for selection as appropriate for the application. The XC6505 is an environment-friendly product that complies with the RoHS Directive of the EU and is Pb-free.

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