Overview
The STLQ015M25R, produced by STMicroelectronics, is an ultra-low quiescent current linear voltage regulator. This device is designed to provide 150 mA of maximum current with an input voltage range from 1.5 V to 5.5 V. It features a typical dropout voltage of 112 mV and is particularly notable for its very low quiescent current, which is 1.0 µA at no load and 1.4 µA at 150 mA load. The regulator is stable with a ceramic capacitor on the output and includes logic-controlled electronic shutdown, short-circuit constant-current limiting, and thermal protection. These features make it ideal for applications requiring long standby times and low power consumption, such as portable and battery-powered systems, electronic sensors, and microcontroller power supplies.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 1.5 to 5.5 | V |
| Output Voltage (nominal) | 2.5 | V |
| Output Voltage Tolerance | ± 2% | % |
| Guaranteed Output Current | 150 | mA |
| Quiescent Current at No Load | 1.0 µA (typ.) | µA |
| Quiescent Current at 150 mA Load | 1.4 µA (typ.) | µA |
| Shutdown Current | 1 nA (typ.) | nA |
| Dropout Voltage | 112 mV (typ.) | mV |
| Operating Temperature Range | -40 to 125 | °C |
| Package | SOT23-5L |
Key Features
- Input voltage range from 1.5 V to 5.5 V
- Very low quiescent current: 1.0 µA (typ.) at no load, 1.4 µA (typ.) at 150 mA load, and 1 nA (typ.) in OFF mode
- Output voltage tolerance: ± 2% at 25 °C
- Guaranteed output current of 150 mA
- 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
Applications
- Portable and battery-powered systems
- Electronic sensors
- Microcontroller power supply
- Mobile phones
- Digital still cameras (DSC)
- Battery-powered equipment
- Portable media players
Q & A
- What is the input voltage range of the STLQ015M25R?
The input voltage range is from 1.5 V to 5.5 V.
- What is the typical quiescent current of the STLQ015M25R at no load?
The typical quiescent current at no load is 1.0 µA.
- What is the guaranteed output current of the STLQ015M25R?
The guaranteed output current is 150 mA.
- What is the output voltage tolerance of the STLQ015M25R?
The output voltage tolerance is ± 2% at 25 °C.
- What is the typical dropout voltage of the STLQ015M25R?
The typical dropout voltage is 112 mV.
- Does the STLQ015M25R have thermal protection?
Yes, it includes internal thermal protection.
- What is the operating temperature range of the STLQ015M25R?
The operating temperature range is from -40 °C to 125 °C.
- Is the STLQ015M25R compatible with ceramic capacitors?
Yes, it is compatible with ceramic capacitors (COUT = 1 µF).
- What is the shutdown current of the STLQ015M25R?
The shutdown current is typically 1 nA.
- What are some typical applications of the STLQ015M25R?
Typical applications include portable and battery-powered systems, electronic sensors, microcontroller power supply, mobile phones, digital still cameras (DSC), battery-powered equipment, and portable media players.
