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STMicroelectronics Voltage Regulator 5.5V Ultra-Low Quiescent Current SOT-323 5-Pin STLQ020C18R
Specifications
| Country of Origin | Malaysia |
|---|---|
| Brand | STMicroelectronics |
| Height | 1mm |
| Temperature range | from -40 °C to +125 °C |
| Length | 2.2mm |
| Model | STLQ020C18R |
| Width | 1.35mm |
| Mount Type | Surface |
| Series | STLQ020 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-323 |
| Polarity | Positive |
| Maximum Input Voltage | 5.5V |
| Quiescent Current | 150μA |
| Minimum Input Voltage | 2V |
| Pin Count | 5 |
| Very low-dropout voltage | 160 mV at 200 mA |
| Packages | DFN6-2x2, SOT323-5L, Flip-Chip4 |
| Output voltage versions | from 0.8 V to 4.5 V, with 50 mV step and adjustable |
| Operating input voltage range | 2 V to 5.5 V |
Key Features
- Supports operating input voltage range from 2 V to 5.5 V.
- Output current capability up to 200 mA ensures reliable power regulation.
- Features ultra-low quiescent current of 300 nA at no load and 100 μA at 200 mA load.
- Very low dropout voltage of 160 mV at 200 mA improves efficiency.
- Offers output voltage versions from 0.8 V to 4.5 V with 50 mV step and adjustable options.
- Includes logic-controlled electronic shutdown and optional output discharge feature.
- Built-in internal overcurrent and thermal protections enhance device reliability.
- Operating temperature range from -40 °C to +125 °C ensures suitability for various environments.
Product Description
STMicroelectronics STLQ020C18R is a voltage regulator designed for ultra-low quiescent current applications, supporting an operating input voltage range of 2 V to 5.5 V. Packaged in a compact SOT-323 5-pin form factor, it is optimized for surface mount use with positive polarity.
This device provides output currents up to 200 mA, with a very low dropout voltage of 160 mV at 200 mA, making it highly efficient for battery-powered and portable electronic systems. Its quiescent current is exceptionally low, approximately 300 nA at no load and 100 μA at full load, minimizing power consumption in standby and operational modes.
The output voltage is precisely regulated with an accuracy of 2% at room temperature and 3% over the full temperature range. Various output voltage versions are available, ranging from 0.8 V to 4.5 V in 50 mV increments, with adjustable options to fit multiple design needs.
Additional features include a logic-controlled electronic shutdown to reduce power consumption, an optional output discharge function, and internal protections against overcurrent and thermal overload, ensuring device and system safety.
The regulator operates reliably over a wide temperature range from -40 °C to +125 °C, suitable for demanding industrial, automotive electronics, and consumer applications. The small package size of 2.2 mm × 1.35 mm × 1 mm allows for compact PCB layouts and integration in space-limited designs.
Supports operating voltage from 2 V to 5.5 V. Ultra-low quiescent current minimizes power consumption. Low dropout voltage enhances efficiency for battery-operated devices. Wide temperature range operation ensures robustness.
Internal protections improve system reliability. Compact SOT-323 5-pin package supports surface mount technology.
This voltage regulator is ideal for use in industrial electronics, portable device power supplies, communications equipment, and embedded systems. STMicroelectronics products like the STLQ020C18R provide reliable, high-performance solutions for power management challenges.
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Frequently Asked Questions
The operating input voltage range for this model is from 2 V to 5.5 V.
This voltage regulator can provide an output current capability of up to 200 mA.
The quiescent current at no load is approximately 300 nA.
It features a very low dropout voltage of 160 mV at a load of 200 mA.
Output voltage versions range from 0.8 V to 4.5 V, with 50 mV steps and adjustable options.
The operating temperature range for this voltage regulator is from -40 °C to +125 °C.
It is packaged in a compact SOT-323 5-pin form factor, suitable for surface mount applications.
Yes, it includes internal overcurrent and thermal protections to enhance device reliability.
The dimensions of the SOT-323 package are 2.2 mm in length, 1.35 mm in width, and 1 mm in height.
Yes, it features a logic-controlled electronic shutdown to reduce power consumption.
The output voltage regulation accuracy is 2% at room temperature and 3% over the full temperature range.
The country of origin for this model is Malaysia.
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