MAX8877EUK42+T - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX8877EUK42+T

Manufacturer

analog-devices

Introduction

The MAX8877EUK42+T is a low-dropout linear regulator from analog-devices, designed for power management applications requiring low voltage and current operations. As a fixed output regulator, it facilitates stable voltage supply in compact electronic devices.

Product Features and Performance

Fixed output voltage of 4.2V, ideal for single-cell lithium-ion battery applications.

Low dropout voltage of 0.165V at 150mA, ensuring efficient operation under low input-output voltage conditions.

Low quiescent current of 180 µA, extending battery life in portable devices.

High PSRR (Power Supply Rejection Ratio) performance, delivering stable output voltage notwithstanding fluctuations in input voltage.

Support for up to 150mA output current, meeting the requirements of low-power applications.

Product Advantages

Minimizes battery drainage with low dropout and quiescent current features.

Enhances system reliability with built-in protection features for overcurrent, overtemperature, reverse polarity, and short-circuit scenarios.

Simplifies power management designs with an integrated enable control feature.

Key Technical Parameters

Voltage Input (Max): 6.5V

Voltage Output (Min/Fixed): 4.2V

Current Output: 150mA

Dropout Voltage (Max): 0.165V @ 150mA (Typ)

Quiescent Current (Iq): 180 µA

Quality and Safety Features

Includes overcurrent, overtemperature, reverse polarity, and short-circuit protection to safeguard the device and connected components from damage.

Compatibility

The SOT-23-5 package ensures compatibility with surface mount technology, fitting a wide range of PCB designs.

Application Areas

Designed for battery-powered applications such as mobile phones, handheld gaming devices, and portable media players where efficiency and compact size are critical.

Product Lifecycle

This product is listed as Obsolete, indicating that it may be nearing the end of its production lifetime and that replacements or upgrades may need to be considered for new designs.

Several Key Reasons to Choose This Product

Low dropout and quiescent current features optimize power usage, crucial for battery-dependent applications.

Protection features enhance product reliability and lifespan.

The compact SOT-23-5 package enables versatile designs in space-constrained applications.

High PSRR rating ensures stable operation despite input voltage fluctuations, crucial for sensitive electronic circuits.

Given its obsolescence status, it's suitable for maintaining existing designs rather than new projects, unless a close replacement or upgrade is available.