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The TPS769xx-Q1 family of low-dropout (LDO) voltage regulators offers the benefits of low dropout voltage, ultralow-power operaTIon, and miniaturized packaging. These regulators feature low dropout voltages and ultralow quiescent current compared to convenTIonal LDO regulators. Offered in a 5-terminal small outline integrated-circuit SOT-23 package, the TPS769xx-Q1 series devices are ideal for micropower operaTIons and 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 low, typically 71 mV at 100 mA of load current (TPS76950-Q1), and is directly proportional to the load current.
