MAX1845EEI - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1845EEI

Manufacturer

Analog Devices

Introduction

MAX1845EEI is a Power Management Integrated Circuit (PMIC) featuring DC-DC switching controller technology designed for power-efficient applications.

Product Features and Performance

Dual-output step-down (Buck) controller configuration

Supports synchronous rectification for improved efficiency

Wide switching frequency range (200kHz to 540kHz)

On-time control feature for precise output regulation

Power Good signal for system monitoring

Current limit feature for over-current protection

Product Advantages

High power efficiency for energy-sensitive applications

Configurable switching frequency for optimized performance

Integration of multiple features reduces external component count

Key Technical Parameters

Voltage Supply (Vcc/Vdd): 4.5V ~ 5.5V

Output Type: Transistor Driver

Output Configuration: Positive

Topology: Buck

Number of Outputs: 2

Output Phases: 1

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built-in over-current protection

Thermal management through operating temperature range

Robust construction for long-term reliability

Compatibility

Compatible with low-voltage microprocessors and digital ICs

Surface Mount 28-SSOP package for PCB integration

Application Areas

Computing systems

Telecommunication equipment

Consumer electronics

Network devices

Product Lifecycle

Product Status: Obsolete

This product is nearing discontinuation, alternatives or upgrades may be available

Several Key Reasons to Choose This Product

Trusted manufacturer with a strong reputation in power management solutions

Delivers efficient power regulation, essential for extending battery life in portable devices

Flexible design options through a wide range of switching frequencies

Reduces system complexity with integrated features, saving both space and cost

Suitable for rugged environments given its wide operating temperature range