STMicroelectronics

LE33CZ-AP  

Linear & Switching Voltage Regulators

LE33CZ-AP Description

The LE33CZ-AP is a high-performance linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This regulator is part of the Power Management Integrated Circuits (PMIC) category and is specifically designed to provide a stable 3.3V output voltage with a maximum output current of 100mA. The device is housed in a Through Hole TO92-3 package, making it suitable for a wide range of applications where reliable power management is essential.

The LE33CZ-AP features a fixed output voltage configuration, ensuring consistent performance without the need for external components to set the output voltage. It has a maximum input voltage of 18V, which provides flexibility in power supply options. The regulator is designed to operate efficiently with a dropout voltage of only 0.5V at 100mA, minimizing power loss and heat generation.

LE33CZ-AP Features

• Fixed Output Voltage: The LE33CZ-AP provides a stable 3.3V output, ideal for applications requiring a precise and constant voltage supply.
• High Input Voltage Range: With a maximum input voltage of 18V, this regulator can handle a wide range of input sources, enhancing its versatility.
• Low Dropout Voltage: The maximum dropout voltage of 0.5V at 100mA ensures high efficiency and minimal power loss, making it suitable for battery-powered applications.
• Low Quiescent Current: The quiescent current (Iq) is only 1mA, which is crucial for low-power applications where energy consumption needs to be minimized.
• Protection Features: The LE33CZ-AP includes over-current and over-temperature protection, safeguarding the device and connected circuits from potential damage.
• High PSRR: The Power Supply Rejection Ratio (PSRR) ranges from 80dB to 60dB (120Hz to 10kHz), ensuring excellent noise rejection and stable output voltage.
• Compliance and Packaging: The LE33CZ-AP is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards. It is available in a Cut Tape (CT) package, facilitating easy handling and integration.

LE33CZ-AP Applications

The LE33CZ-AP is ideal for a variety of applications where a stable and efficient power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where low power consumption and stable voltage output are critical.
• Industrial Equipment: Suitable for sensors, controllers, and other industrial devices that require reliable power management.
• Automotive Applications: The robust design and protection features make it suitable for automotive electronics where reliability and safety are paramount.
• Medical Devices: The low dropout voltage and high PSRR make it ideal for medical devices that require precise and stable power supply.

Conclusion of LE33CZ-AP

The LE33CZ-AP from STMicroelectronics is a versatile and high-performance linear voltage regulator that offers a stable 3.3V output with a maximum current of 100mA. Its low dropout voltage, low quiescent current, and comprehensive protection features make it an excellent choice for a wide range of applications. The device's compliance with environmental and regulatory standards ensures it meets the needs of modern electronics manufacturing. Whether for consumer electronics, industrial equipment, automotive applications, or medical devices, the LE33CZ-AP provides reliable power management with minimal power loss and high efficiency.

LE33CZ-AP Documents

Download datasheets and manufacturer documentation for LE33CZ-AP

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