MAX1858EEG+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1858EEG+

Manufacturer

Analog Devices

Introduction

The MAX1858EEG+ is a highly efficient, Power Management Integrated Circuit (PMIC) specifically designed for switching control in DC-DC conversion applications.

Product Features and Performance

Efficient step-down (buck) operation

Dual output capability with two phases

Wide input voltage range supporting 4.75V to 23V

Flexible switching frequency from 100kHz to 600kHz

Supports synchronous rectification for improved efficiency

Clock synchronisation feature aligns switching frequencies

Multiple control features including current limit, enable, frequency control, and reset

Product Advantages

High energy efficiency for power-sensitive applications

Dual outputs enhance power handling capabilities

Versatility with an adjustable switching frequency range

Compatible with a variety of input voltages

Integration of synchronous rectifier minimizes power loss

Ease of design synchronization with clock sync feature

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down

Output Configuration: Positive

Topology: Buck

Number of Outputs: 2

Output Phases: 2

Voltage Supply (Vcc/Vdd): 4.75V ~ 23V

Frequency Switching: 100kHz ~ 600kHz

Synchronous Rectifier: Yes

Operating Temperature: -40°C ~ 85°C (TA)

Quality and Safety Features

Built-in current limit for output protection

Thermal over-temperature shutdown for safety

Compatibility

Surface Mount (SMT) for modern PCB designs

Compatible with a wide range of supply voltages

Application Areas

Computer servers and components

Telecommunications

Network Infrastructure

Industrial Power Supplies

Product Lifecycle

Active status indicating ongoing production and support

No indication of nearing discontinuation

Availability of replacements or upgrades not specified

Several Key Reasons to Choose This Product

Renowned manufacturer with proven reliability

High efficiency reduces thermal footprint and can extend product life

Flexible application due to wide input voltage range and dual outputs

Programmable switching frequency for tailored performance

Built-in safety features protect against potential damage

Compatibility with modern manufacturing techniques with surface mount packaging

Ideal for high-performance electronics where power efficiency is critical