Texas Instruments

LP2985A-18DBVJ

LP2985A-18DBVJ Description

The LP2985A-18DBVJ is a high-performance linear voltage regulator designed by Texas Instruments. This regulator is part of the LP2985 series and offers a fixed output voltage of 1.8V with a maximum output current of 150mA. It is housed in a compact SOT23-5 package, making it ideal for space-constrained applications. The regulator is designed to operate with a maximum input voltage of 16V and features a low dropout voltage of 0.58V at 150mA, ensuring efficient power conversion even at low input-to-output voltage differentials.

LP2985A-18DBVJ Features

• Output Type: Fixed
• Voltage - Input (Max): 16V
• Current - Output: 150mA
• Number of Regulators: 1
• Output Configuration: Positive
• Current - Supply (Max): 2.5 mA
• Voltage - Output (Min/Fixed): 1.8V
• Voltage Dropout (Max): 0.58V @ 150mA
• Current - Quiescent (Iq): 95 µA
• PSRR: 45dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Short Circuit
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Last Time Buy
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

The LP2985A-18DBVJ stands out due to its low quiescent current of 95 µA, which minimizes power consumption in standby mode. Its high power supply rejection ratio (PSRR) of 45dB at 1kHz ensures excellent noise filtering, making it suitable for applications requiring clean power supply. The regulator also includes enable functionality, allowing for dynamic control of the output voltage.

LP2985A-18DBVJ Applications

The LP2985A-18DBVJ is well-suited for a variety of applications, including:

• Consumer Electronics: Ideal for portable devices such as smartphones, tablets, and wearables where space and power efficiency are critical.
• Industrial Equipment: Suitable for low-power industrial sensors and controllers that require stable and reliable power supply.
• Medical Devices: Applicable in medical equipment where low noise and high reliability are essential.
• Automotive Systems: Can be used in automotive electronic control units (ECUs) that demand low dropout voltage and high efficiency.

Conclusion of LP2985A-18DBVJ

The LP2985A-18DBVJ from Texas Instruments is a robust and efficient linear voltage regulator designed for applications requiring a fixed 1.8V output and up to 150mA of current. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for power-sensitive designs. The inclusion of enable control and comprehensive protection features further enhances its versatility and reliability. This regulator is ideal for a wide range of applications, from consumer electronics to industrial and medical devices, ensuring stable and efficient power delivery in various operating conditions.