LT1521IS8-3.3#PBF - Analog Devices Inc.

Manufacturer Part Number

LT1521IS8-3.3#PBF

Manufacturer

Analog Devices

Introduction

Low Dropout Linear Voltage Regulator

Product Features and Performance

Positive output voltage

Fixed output at 3.3V

Low dropout voltage of 0.75V at 300mA load

Quiescent current of 25 µA

Output current capability of 300mA

High PSRR of 58dB at 120Hz

Enable control feature

Over current protection

Over temperature protection

Reverse polarity protection

Operating temperature range -40°C to 125°C

Surface mount 8-SOIC package

Product Advantages

High efficiency due to low dropout voltage

Low standby power consumption

Excellent power supply rejection ratio

Robust protection features

Wide operating temperature suitable for industrial applications

Key Technical Parameters

Voltage - Input (Max): 20V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 300mA

Voltage Dropout (Max): 0.75V

Current - Quiescent (Iq): 25 µA

Current - Supply (Max): 12 mA

PSRR: 58dB at 120Hz

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Reverse Polarity Protection

Compatibility

Compatible with surface mount technology

Mounting type is 8-SOIC

Application Areas

Consumer electronics

Industrial control systems

Battery-powered devices

Portable instrumentation

Product Lifecycle

Active status

Not nearing discontinuation

Availability of replacements or upgrades is sustained

Several Key Reasons to Choose This Product

High reliability in diverse temperature environments

Low power consumption enhances battery life in portable applications

Stable output with excellent noise rejection for sensitive loads

Ease of integration with surface mount design

Comprehensive protection keeps downstream components safe