LP2985A-33DBVT - Texas Instruments

Manufacturer Part Number

LP2985A-33DBVT

Manufacturer

Texas Instruments

Introduction

The LP2985A-33DBVT is a low-dropout (LDO) linear voltage regulator designed for power-sensitive applications, ensuring a stable 3.3V output from inputs up to 16V.

Product Features and Performance

Single output LDO regulator

Fixed 3.3V output

Maximum input voltage of 16V

Dropout voltage of 0.58V at 150mA load

Output current up to 150mA

Low quiescent current of 95 µA

Excellent power supply rejection ratio (PSRR) of 45dB at 1kHz

Short circuit and thermal overload protection

Product Advantages

High efficiency with low dropout voltage

Minimal power loss due to low quiescent current

Robust protection features ensuring device longevity

Key Technical Parameters

Voltage Input (Max): 16V

Voltage Output (Min/Fixed): 3.3V

Dropout Voltage (Max): 0.58V @ 150mA

Current Output: 150mA

Quiescent Current (Iq): 95 µA

Supply Current (Max): 2.5 mA

PSRR: 45dB at 1kHz

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

Compatible with various microcontrollers and digital systems requiring a 3.3V supply

Surface mount SC-74A, SOT-753 package for easy integration in PCB designs

Application Areas

Mobile devices

Portable electronics

Wearable technology

Sensor systems

Health and wellness devices

Product Lifecycle

Currently active

No nearing discontinuation reported

Potential future upgrades focused on efficiency improvements

Several Key Reasons to Choose This Product

Consistent performance with a multitude of safety features

Low dropout voltage enhances battery life in portable applications

High reliability supported by Texas Instruments' robust manufacturing standards

Wide operating temperature range suitable for extreme conditions

Compact and surface-mountable for simplified design and assembly processes