STMicroelectronics Product LK112M33TR Overview

The LK112M33TR is a low-dropout regulator (LDO) designed and manufactured by STMicroelectronics, a global semiconductor leader known for its innovative and reliable components. This LDO is part of the LK112 series, which is engineered to provide stable and precise voltage regulation with a low dropout voltage and low ground current, making it an ideal choice for battery-powered applications and power-sensitive devices.

Key Features

• Output Voltage: The LK112M33TR offers a fixed output voltage of 3.3V, which is a common requirement for many digital ICs and microcontrollers.
• Low Dropout Voltage: With a low dropout voltage of just 100mV at 100mA load, this LDO can operate effectively even when the input voltage is very close to the output voltage, maximizing battery life.
• Output Current: It can deliver up to 200mA of continuous output current, suitable for a wide range of applications.
• Low Ground Current: The device features a very low ground current of about 60μA with no load and 500μA at 200mA load, which is beneficial for power conservation.
• Thermal Overload Protection: The LK112M33TR is equipped with thermal shutdown protection that safeguards the device and the application from damage due to excessive heat.
• Short-Circuit Protection: It also includes short-circuit protection to prevent damage from output short circuits.
• Package Type: This LDO is available in a SOT-23-5 package, which is suitable for space-constrained applications.

Applications

The LK112M33TR is versatile and can be used in a variety of applications, including:

• Mobile phones and personal digital assistants (PDAs)
• Portable media players and audio devices
• Battery-powered equipment
• Microcontroller power supply
• Peripheral power supply

STMicroelectronics' commitment to quality and performance is evident in the LK112M33TR LDO. Its combination of low dropout performance, high efficiency, and protective features make it a robust solution for any designer looking to improve power management in compact, battery-sensitive electronics.