STMicroelectronics

LD29150P2T33R  

Linear & Switching Voltage Regulators

LD29150P2T33R Description

The LD29150P2T33R is a linear regulator IC designed for high-performance power management applications. Manufactured by STMicroelectronics, this device features a fixed output voltage of 3.3V and can deliver a maximum output current of 1.5A. It is housed in a P2PAK (4 Leads + Tab) package, making it suitable for surface-mount applications. The regulator operates with an input voltage range up to 14V and offers a low dropout voltage of 0.7V at full load, ensuring efficient power conversion even at lower input voltages.

LD29150P2T33R Features

• Fixed Output Voltage: The LD29150P2T33R provides a stable 3.3V output voltage, ideal for applications requiring a precise and consistent power supply.
• High Output Current: Capable of delivering up to 1.5A, this regulator is suitable for applications with significant power demands.
• Low Dropout Voltage: With a maximum dropout voltage of 0.7V at 1.5A, the LD29150P2T33R ensures high efficiency and minimal power loss, making it suitable for battery-powered devices and systems with varying input voltages.
• Enable Control Feature: The regulator includes an enable pin, allowing users to control the output voltage and reduce power consumption when the device is not in use.
• Protection Features: Over-current and over-temperature protection mechanisms safeguard the regulator and connected components from potential damage, enhancing system reliability.
• Low Quiescent Current: The device features a quiescent current of 180 µA, minimizing power consumption during standby or low-load conditions.
• High PSRR: With a power supply rejection ratio (PSRR) of 67dB at 120Hz, the regulator effectively filters out noise from the input power supply, ensuring clean and stable output voltage.
• Compliance and Packaging: The LD29150P2T33R is REACH unaffected and RoHS3 compliant, adhering to environmental and safety standards. It is available in a P2PAK package with a moisture sensitivity level (MSL) of 1, making it suitable for various manufacturing processes.

LD29150P2T33R Applications

The LD29150P2T33R is well-suited for a variety of applications requiring a stable and efficient power supply. Key use cases include:

• Consumer Electronics: Ideal for powering devices such as smartphones, tablets, and portable gaming consoles where a stable 3.3V supply and low dropout voltage are crucial.
• Industrial Equipment: Suitable for industrial control systems, sensors, and actuators that require reliable power management and protection features.
• Medical Devices: Applicable in medical equipment where precise voltage regulation and low noise are essential for accurate measurements and performance.
• Automotive Systems: Can be used in automotive electronics, such as infotainment systems and ECUs, where high reliability and low dropout voltage are required.

Conclusion of LD29150P2T33R

The LD29150P2T33R is a robust and efficient linear regulator designed to meet the demands of modern power management applications. Its fixed 3.3V output, high output current capability, and low dropout voltage make it an ideal solution for a wide range of devices. The inclusion of enable control and comprehensive protection features further enhances its versatility and reliability. Despite being marked as obsolete, the LD29150P2T33R remains a valuable component for applications requiring a stable and efficient power supply.

LD29150P2T33R Documents

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