ST715M33R Linear Voltage Regulator IC - 3.3V 85mA SOT23-5 Package
- Brand: STMicroelectronics
- Product Code: ST715M33R
- Availability: In Stock
$0.28
- Ex Tax: $0.28
Precision Power Management with ST715M33R Linear Regulator
Modern electronic systems demand reliable voltage regulation in compact form factors. The ST715M33R linear voltage regulator from STMicroelectronics emerges as a critical component for engineers seeking stable 3.3V output in space-constrained applications. This SOT23-5 packaged IC combines low quiescent current with robust protection features, making it ideal for battery-powered devices, portable instrumentation, and industrial control systems where efficiency and reliability are paramount.
Key Technical Advantages
Operating from a 24V maximum input, this fixed-output regulator maintains precise 3.3V regulation with just 1V dropout voltage at full 85mA load. Its 5.5µA quiescent current ensures minimal power loss in standby modes, while the 57dB PSRR at 100kHz effectively suppresses high-frequency noise. The device's thermal shutdown and overcurrent protection circuits provide fail-safe operation in demanding environments.
| Parameter | Specification |
|---|---|
| Input Voltage | Up to 24V |
| Output Voltage | 3.3V Fixed |
| Output Current | 85mA Max |
| Dropout Voltage | 1V @ 85mA |
| Quiescent Current | 5.5µA |
Design Flexibility and Applications
The ST715M33R's SOT23-5 packaging enables integration into dense PCB layouts while maintaining surface-mount compatibility. Its -40°C to 125°C operating temperature range suits automotive electronics, wireless sensors, and medical monitoring equipment. When paired with modern microcontrollers or RF modules, this regulator ensures clean power delivery without compromising board space.
Performance Characteristics
Engineers benefit from consistent regulation across varying load conditions thanks to the device's optimized internal compensation. The 38dB PSRR at 1kHz complements noisy switching power supplies, while the 6.5µA maximum supply current preserves battery life in always-on systems. The dropout voltage remains stable across temperature extremes, preventing unexpected resets in industrial environments.
Tags: Semiconductor Components, Power Management ICs, SOT-23 Package, Voltage Regulation, Industrial Electronics