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The TPS764xx family of low-dropout (LDO) voltage regulators offers the benefits of a low noise, low-dropout voltage, low-power operaTIon, and miniaturized package. AddiTIonally, they feature low quiescent current when compared to convenTIonal LDO regulators. Offered in 5-terminal small outline integrated-circuit SOT-23 package, the TPS764xx series devices are ideal for low-noise applicaTIons, cost-sensitive designs and applications where board space is at a premium.
A combination of new circuit design and process innovation has enabled the usual pnp pass transistor to be replaced by a PMOS pass element. Because the PMOS pass element behaves as a low-value resistor, the dropout voltage is very lowx97typically 300 mV at 150 mA of load current (TPS76433)x97and is directly proportional to the load current.
