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STLQ015：150 mA - ultra low quiescent current linear voltage regulator

The STLQ015 provides 150 mA of maximum current with an input voltage range from 1.5 V to 5.5 V and 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 and extends battery-life of applications requiring very long standby time. The enable logic control function puts the STLQ015 in shutdown mode, reducing total current consumption to 1 nA. The device also includes short-circuit constant-current limiting and thermal protection. Typical applications are: portable and battery-powered systems, electronic sensors and microcontroller power supply.

Key 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
• Temperature range: from -40 °C to 125 °C

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