STMicroelectronics LDK120PU33R Linear Voltage Regulator
- Brand: STMicroelectronics
- Product Code: LDK120PU33R
- Availability: In Stock
$0.20
- Ex Tax: $0.20
Introducing the STMicroelectronics LDK120PU33R Linear Voltage Regulator
Engineered for precision and reliability, the LDK120PU33R from STMicroelectronics represents the pinnacle of linear voltage regulation technology. This compact yet powerful device delivers a fixed 3.3V output with exceptional stability, making it an ideal choice for modern electronic systems requiring efficient power management. Designed to operate within a -40°C to 125°C temperature range, this regulator combines automotive-grade durability with cutting-edge performance characteristics.
Key Technical Advantages
At the heart of the LDK120PU33R's impressive performance lies its advanced CMOS architecture, which enables ultra-low quiescent current consumption (60 µA typical) while maintaining high output current capability (200mA maximum). The device's 0.3V dropout voltage at full load ensures optimal efficiency in battery-powered applications, extending operational life while minimizing thermal dissipation requirements.
| Parameter | Specification |
|---|---|
| Input Voltage Range | Up to 5.5V |
| Output Voltage | Fixed 3.3V |
| Max Output Current | 200mA |
| PSRR | 55dB (120Hz-10kHz) |
Comprehensive Protection Features
Safety and longevity are paramount in the LDK120PU33R's design. Integrated protection mechanisms include thermal shutdown and over-current limiting, ensuring robust operation even under fault conditions. The device's enable pin functionality allows for precise power sequencing control in multi-rail systems, while its 6-DFN (1.2x1.3mm) package provides excellent thermal performance in an ultra-compact footprint.
Engineers will appreciate the regulator's 55dB power supply rejection ratio (PSRR) across a wide frequency range, effectively suppressing input voltage noise and ripple. This characteristic makes the LDK120PU33R particularly well-suited for noise-sensitive applications such as precision analog circuits, wireless modules, and portable measurement devices.
Design Flexibility and Applications
The LDK120PU33R's versatility shines across diverse applications including IoT devices, wearable electronics, industrial sensors, and automotive control systems. Its surface-mount design and tape-and-reel packaging facilitate automated assembly processes, while the active product status ensures long-term supply stability for production environments.
Tags: Semiconductor Devices, Power Management ICs, Electronic Components, Voltage Regulators, Embedded Systems