MAX1897EGP - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1897EGP

Manufacturer

Analog Devices

Introduction

High-efficiency power management integrated circuit for DC-DC switching control

Product Features and Performance

Synchronous rectification technology

Step-down (Buck) conversion topology

Single output phase

Designed for battery-powered equipment

On-time control for improved efficiency

Frequency switching options of 200kHz, 300kHz, 550kHz

Programmable current limit for protection

Power-save mode for lower power consumption

Product Advantages

High efficiency for prolonged battery life

Compact 20-QFN (4x4) package suitable for space-constrained applications

Integrated transistor driver for reduced external component count

Flexible switching frequency to optimize performance

Key Technical Parameters

Output Type: Transistor Driver

Function: Step-Down (Buck converter)

Output Configuration: Positive

Voltage - Supply (Vcc/Vdd): 4.5V to 5.5V

Operating Temperature Range: -40°C to +85°C

Quality and Safety Features

Built-in current limit

Thermal shutdown

Overvoltage protection

Operating temperature rating from -40°C to +85°C for industrial applications

Compatibility

Surface mount compatible

Compatible with various input voltages within the 4.5V to 5.5V range

Application Areas

Portable electronic devices

Mobile phones

GPS units

Battery-powered equipment

Product Lifecycle

Active status

Not nearing discontinuation

Replacements or upgrades should be checked with Analog Devices for the latest models

Several Key Reasons to Choose This Product

High integration reduces system complexity and BOM cost

Flexible design options with multiple switching frequencies

Energy-saving features for battery-dependent applications

Robust safety features enhance device longevity

Supported by reputable manufacturer Analog Devices