MAX843ESA - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX843ESA

Manufacturer

analog-devices

Introduction

The MAX843ESA is a high-efficiency charge pump power supply that generates a negative output voltage from a positive input voltage. This device is specifically designed for use in cellular telephone transmitter applications, providing a stable and reliable power source for the critical RF stages of the device.

Product Features and Performance

Generates a negative output voltage (-2V) from a positive input voltage (2.5V to 10V)

High efficiency of up to 90% for extended battery life

Low quiescent current of only 50μA

Excellent load and line regulation for stable output voltage

Internal overcurrent and overtemperature protection

Small 8-SOIC package for space-constrained designs

Product Advantages

Optimized for cellular telephone transmitter applications

Efficient power conversion extends battery life

Compact size enables integration in space-limited designs

Robust protection features ensure reliable operation

Key Reasons to Choose This Product

Proven performance in cellular telephone applications

Highly efficient power conversion for extended battery life

Small, space-saving package design

Reliable operation with integrated protection features

Quality and Safety Features

Manufactured using high-quality analog semiconductor processes

Robust overcurrent and overtemperature protection

Complies with relevant safety and regulatory standards

Compatibility

The MAX843ESA is compatible with a variety of cellular telephone and other portable electronic device designs that require a negative voltage supply.

Application Areas

Cellular telephone transmitters

Other portable electronic devices requiring a negative voltage supply

Product Lifecycle

The MAX843ESA is an active, in-production product. There are no direct equivalent or alternative models available at this time. For the latest information on product availability and potential future alternatives, please contact our sales team through our website.