Texas Instruments

TPS78342DDCR

TPS78342DDCR Description

The TPS78342DDCR is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 4.2V with a maximum output current of 150mA. This regulator is housed in a compact SOT23-5 package, making it suitable for a wide range of applications where space is a critical consideration. The device is designed to operate efficiently with a maximum input voltage of 5.5V and features a low dropout voltage of 0.25V at 150mA, ensuring optimal performance even under low input-to-output voltage differentials.

TPS78342DDCR Features

• Output Type: Fixed, providing a stable 4.2V output voltage.
• Input Voltage Range: Up to 5.5V, ensuring compatibility with a variety of power sources.
• Output Current: Capable of delivering up to 150mA, making it suitable for applications requiring moderate power levels.
• Low Dropout Voltage: 0.25V at 150mA, enabling efficient operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: 800nA, which minimizes power consumption in standby or low-power modes.
• Control Features: Includes an enable pin, allowing for precise control over the regulator's operation.
• Protection Features: Over-current, over-temperature, and reverse polarity protection ensure robustness and reliability in various operating conditions.
• Power Supply Current: Maximum of 8µA, contributing to high efficiency and low power consumption.
• PSRR: 40dB to 15dB across the frequency range of 10Hz to 1kHz, providing excellent noise rejection and stable output voltage.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory standards are met.
• Mounting Type: Surface mount, facilitating easy integration into modern PCB designs.
• Moisture Sensitivity Level: MSL 2 (1 Year), suitable for standard manufacturing processes.

TPS78342DDCR Applications

The TPS78342DDCR is ideal for a variety of applications, particularly those requiring a compact, efficient, and reliable power solution. Key applications include:

• Battery-powered devices: The low dropout voltage and low quiescent current make it suitable for extending battery life in portable electronics.
• Consumer electronics: Ideal for powering low-power peripherals and sensors in devices such as smartphones, tablets, and IoT devices.
• Industrial systems: Provides a stable power supply for low-power sensors and actuators in industrial automation and control systems.
• Medical devices: Ensures reliable power delivery in medical equipment where precision and low power consumption are critical.
• Telecommunications: Suitable for powering low-power components in base stations and other communication infrastructure.

Conclusion of TPS78342DDCR

The TPS78342DDCR from Texas Instruments stands out as a highly efficient and reliable linear regulator, offering a fixed 4.2V output with a maximum current of 150mA. Its low dropout voltage, low quiescent current, and comprehensive protection features make it an excellent choice for applications where space, power efficiency, and reliability are paramount. The compact SOT23-5 package and surface mount design further enhance its versatility, making it suitable for a wide range of electronic devices. Whether used in battery-powered consumer electronics, industrial systems, or medical devices, the TPS78342DDCR delivers consistent performance and value, ensuring it remains a preferred choice for engineers and designers in the electronics industry.