LP3985IM5-3.3 - Texas Instruments

Manufacturer Part Number

LP3985IM5-3.3

Manufacturer

Texas Instruments

Introduction

The LP3985IM5-3.3 is a low-dropout linear regulator designed for power-sensitive applications, offering a fixed 3.3V output voltage.

Product Features and Performance

Offers output configuration that is positive and fixed.

The regulator supports up to 150mA output current.

Low dropout voltage of 0.1V at 150mA.

Features high power supply rejection ratio (PSRR) ranging from 50dB to 40dB between 1kHz and 10kHz.

Equipped with control features including Enable functionality.

Product Advantages

Optimized for low voltage applications requiring precise voltage regulation.

Minimal dropout voltage enhances efficiency.

High PSRR maintains stable operation despite variations in the input power.

Key Technical Parameters

Voltage - Input (Max): 6V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 150mA

Voltage Dropout (Max): 0.1V @ 150mA

Current - Quiescent (Iq): 150 µA

Current - Supply (Max): 250 µA

PSRR: 50dB ~ 40dB (1kHz ~ 10kHz)

Quality and Safety Features

Protection against over-current, over-temperature, and short circuits ensuring robust performance and safety in operation.

Compatibility

Packaged in an SOT-23-5, suitable for surface mount technology.

Compatible with applications requiring a compact, reliable LDO regulator.

Application Areas

Ideal for battery-powered devices.

Suitable for microcontroller power supply and other electronic applications needing a stable 3.3V.

Product Lifecycle

This product is currently categorized as "Last Time Buy," indicating it is nearing discontinuation.

Customers should consider securing stock or plan for future upgrades/replacements.

Several Key Reasons to Choose This Product

Extremely low dropout voltage for enhanced efficiency.

Robust built-in safety features including over-current and thermal protection.

High PSRR for stable operation across different power supply conditions.

Compact SOT-23-5 package ideal for space-constrained applications.

Fixed output simplifies application design.