Texas Instruments

LP2985-33DBVT  

Linear & Switching Voltage Regulators

LP2985-33DBVT Description

The LP2985-33DBVT is a high-performance linear voltage regulator from Texas Instruments, designed to provide a stable 3.3V output voltage with a maximum output current of 150mA. This regulator is ideal for applications requiring a fixed output voltage and low dropout voltage, ensuring efficient power management in compact designs. The device features a maximum input voltage of 16V and operates with a dropout voltage of only 0.58V at 150mA, making it suitable for a wide range of input voltage conditions.

LP2985-33DBVT Features

• Output Type: Fixed 3.3V output voltage, ensuring consistent power supply to sensitive electronics.
• Input Voltage Range: Capable of handling input voltages up to 16V, providing flexibility in power source selection.
• Output Current: Delivers a maximum of 150mA, suitable for low to medium power applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.58V at 150mA, the LP2985-33DBVT maintains high efficiency even at low input-to-output voltage differentials.
• Power Supply Current: Consumes a maximum of 2.5mA, contributing to overall system power efficiency.
• Quiescent Current: Low quiescent current of 95µA minimizes power consumption during standby or low-load conditions.
• PSRR: Achieves a high power supply rejection ratio of 45dB at 1kHz, ensuring minimal noise and ripple on the output voltage.
• Control Features: Includes an enable pin, allowing for dynamic control of the regulator's operation.
• Protection Features: Over-current, over-temperature, and short-circuit protections ensure robustness and reliability in various operating conditions.
• Package: Available in a compact SOT23-5 package, ideal for space-constrained designs.
• Compliance: ROHS3 compliant and REACH unaffected, meeting environmental and regulatory standards.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.

LP2985-33DBVT Applications

The LP2985-33DBVT is well-suited for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and compact package make it ideal for battery-powered devices, portable electronics, and embedded systems. Specific use cases include:

• Battery-Powered Devices: Provides efficient power management in devices where battery life is a key consideration.
• Portable Electronics: Ideal for smartphones, tablets, and other portable devices requiring a stable power supply.
• Embedded Systems: Suitable for microcontroller-based systems and IoT devices where space and power efficiency are paramount.
• Industrial Applications: Reliable power supply for sensors, actuators, and other components in industrial control systems.

Conclusion of LP2985-33DBVT

The LP2985-33DBVT from Texas Instruments stands out as a versatile and efficient linear voltage regulator, offering a stable 3.3V output with low dropout voltage and robust protection features. Its compact SOT23-5 package and compliance with industry standards make it an ideal choice for a wide range of applications, from portable electronics to industrial systems. The combination of high PSRR, low quiescent current, and dynamic control features ensures that the LP2985-33DBVT delivers reliable and efficient power management, making it a preferred solution for modern electronic designs.

LP2985-33DBVT Documents

Download datasheets and manufacturer documentation for LP2985-33DBVT

PCN Assembly/Origin :

Mult Dev A/T Chgs 30/Aug/2023      

Datasheets :

LP2985      

Design Resources :

Available In the Digi-Key KiCad Library       LP2985-33 Design with WEBENCH® Power Designer      

PCN Design/Specification :

Mult Dev 06/Sep/2023