LTC1844ES5-3.3#TRMPBF - Analog Devices Inc.

Manufacturer Part Number

LTC1844ES5-3.3#TRMPBF

Manufacturer

Analog Devices

Introduction

A high-performance, low dropout (LDO) voltage regulator designed for power management in various electronic devices.

Product Features and Performance

Fixed 3.3V output voltage

Supports input voltages up to 6.5V

Maximum voltage dropout of 0.15V at 150mA load

Output current capacity of 150mA

Low quiescent current of 80 µA, improving power efficiency

Power supply rejection ratio (PSRR) of 50dB at 120Hz

Integrated control features including an enable function for power-saving modes

Comprehensive protection features: Over Current, Over Temperature, Reverse Polarity, Short Circuit

Product Advantages

High efficiency and low power consumption due to minimal dropout voltage and low Iq

Enhances system reliability with built-in protection features

Simple integration into various circuit designs thanks to its enable function

Ideal for low-power applications due to its small form factor and high-density packaging

Key Technical Parameters

Voltage Input (Max): 6.5V

Voltage Output (Min/Fixed): 3.3V

Current Output: 150mA

Voltage Dropout (Max): 0.15V @ 150mA

Current Quiescent (Iq): 80 µA

PSRR: 50dB (120Hz)

Quality and Safety Features

Overtemperature protection ensures operational safety under high-temperature conditions

Overcurrent and short circuit protection prevent damage from excessive currents

Reverse polarity protection safeguards against incorrect power supply connections

Compatibility

Compatible with a wide variety of digital and analog circuits due to its 3.3V fixed output

Flexible input voltage range accommodates different power sources

Application Areas

Ideal for battery-powered devices, portable electronics, and low-power IoT devices

Suitable for microcontroller power supply, sensor modules, and peripheral devices

Product Lifecycle

Currently active, with no announced discontinuation

Replacement and upgrade options available for evolving technology needs

Several Key Reasons to Choose This Product

Highly reliable with built-in safety features for device protection

Efficient power management suitable for portable and low-power applications

Broad compatibility simplifies integration into existing designs

Active product support and availability safeguard against obsolescence

Compact, surface-mount package suitable for space-constrained applications