LM340T-15 - Texas Instruments

Manufacturer Part Number

LM340T-15

Manufacturer

Texas Instruments

Introduction

The LM340T-15 is part of Texas Instruments’ power management portfolio, specifically categorized under linear, low drop-out (LDO) regulators. Designed for a broad range of applications, this device provides a fixed output voltage with various protection features.

Product Features and Performance

Fixed output voltage of 15V

Supports input voltage up to 35V

Maximum output current of 1.5A

Low dropout voltage of 2V @ 1A

Quiescent current (Iq) of 8 mA

Power supply rejection ratio (PSRR) of 80dB at 120Hz

Protection features against over temperature and short circuit conditions

Operating temperature range from 0°C to 125°C

Product Advantages

High reliability and performance under a broad range of input conditions

Low quiescent current enhances power efficiency

Robust protection features increase device longevity

Good PSRR enhances stability with varying input voltages

Key Technical Parameters

Output Configuration: Positive

Voltage - Input (Max): 35V

Voltage - Output (Min/Fixed): 15V

Current - Output: 1.5A

Voltage Dropout (Max): 2V @ 1A

Current - Quiescent (Iq): 8 mA

PSRR: 80dB (120Hz)

Quality and Safety Features

Includes Over Temperature and Short Circuit protections

Operates reliably in temperatures ranging from 0°C to 125°C

Compatibility

Through Hole mounting design compatible with many types of circuits

Package / Case: TO-220-3 suitable for a wide range of applications

Application Areas

Suitable for a variety of applications needing a stable 15V supply

Useful in industrial, commercial, and consumer electronics

Product Lifecycle

Status: Last Time Buy (indicating it is nearing discontinuation)

Information on direct replacements or upgrades may be available from Texas Instruments

Several Key Reasons to Choose This Product

Reliable fixed output voltage regulator from a reputed manufacturer

High efficiency and low dropout performance ideal for a range of applications

Comprehensive protection features ensure extended device and circuit safety

Broad compatibility with a variety of circuit designs

Product nearing end of life, suitable for final purchases before discontinuation