MAX1721EUT - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX1721EUT

Manufacturer

Analog Devices

Introduction

The MAX1721EUT is a compact, highly efficient charge pump voltage regulator designed for power management applications, capable of generating either a negative voltage (-Vin) or a doubled positive voltage (2Vin) from a single positive input.

Product Features and Performance

Ratiometric output generating -Vin or 2Vin

Wide input voltage range from 1.5V to 5.5V

Fixed output type for simplified design

Capable of delivering 25mA output current

Low 125kHz switching frequency

Operates across a wide temperature range from -40°C to 85°C

Charge pump topology for efficient voltage conversion

Product Advantages

Supports both positive or negative output configurations

Ideal for battery-operated devices due to low input voltage requirements

Simplified circuit design with fixed output

Efficient power use and extended battery life

Compact, surface mount SOT-23-6 package for space-constrained applications

Key Technical Parameters

Voltage Input (Min): 1.5V

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): -Vin, 2Vin

Current Output: 25mA

Frequency Switching: 125kHz

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built to meet high industry standards in power management

Rigorous quality control and safety features ensure reliable operation under varying conditions

Compatibility

Suitable for surface mount technology (SMT) on various PCBs

Compatible with a wide range of low-voltage, battery-powered devices

Application Areas

Mobile and wearable devices

Battery-powered electronics

Low-power medical devices

Portable consumer electronics

Energy-harvesting applications

Product Lifecycle

Active status, indicating ongoing manufacturing and support

No current indication of nearing discontinuation, with support for replacements or upgrades as needed

Several Key Reasons to Choose This Product

Highly versatile with both negative and positive output configuration capabilities

Efficient power management suitable for extended battery life in portable devices

Supports a broad range of input voltages, accommodating various power sources

Compact and lightweight design ideal for space-constrained applications

Reliable performance across a broad operating temperature range

Ease of integration into existing designs due to fixed output and SOT-23-6 package format