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1 / 17 page January 2011 Doc ID 17285 Rev 2 1/17 17 STLQ015xx 150 mA, ultra-low quiescent current linear voltage regulator Features ■ Input voltage from 1.5 to 5.5 V ■ Very low quiescent current: – 1.0 µA (typ) at no load – 1.4 µA (typ) at 150 mA load – 1 nA (typ) in OFF mode – 200 nA max in OFF mode at 125 °C ■ Output voltage tolerance: ± 2% at 25 °C ■ 150 mA guaranteed output current ■ Wide range of output voltages: 0.8 V to 3.3 V in 100 mV steps ■ Logic-controlled electronic shutdown ■ Compatible with ceramic capacitor (COUT = 1 µF) ■ Internal current and thermal limit ■ Package: SOT666-6L ■ Temperature range: -40 °C to 125 °C Description The STLQ015xx provides 150 mA of maximum current from an input voltage ranging from 1.5 V to 5.5 V, with a typical dropout voltage of 112 mV. The key feature of this device is its quiescent current, which is just 1.4 µA at maximum output current. The device is stable with a ceramic capacitor on the output. It offers very low quiescent current, extending battery life and making the device suitable for applications requiring very long standby time. The enable logic control function puts the STLQ015xx in shutdown mode, reducing total current consumption to 1 nA. The device also includes short-circuit constant- current limiting and thermal protection. Typical applications for the device are portable and battery-powered systems, electronic sensors, and microcontroller power supply. SOT666 Table 1. Device summary Part numbers Order codes Output voltages STLQ015XX25 STLQ015XG25R 2.5 V STLQ015XX28 STLQ015XG28R 2.8 V STLQ015XX30 STLQ015XG30R 3.0 V STLQ015XX31 STLQ015XG31R 3.1 V STLQ015XX33 STLQ015XG33R 3.3 V www.st.com |
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