MAX1589AEZT250+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High-efficiency, Low-dropout (LDO) regulator
• Package: 6-pin Thin SOT23 package
• Essence: Provides a regulated output voltage with low power dissipation
• Packaging/Quantity: Tape and Reel packaging, quantity varies

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.8V to 3.3V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA load
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1589AEZT250+T has the following pin configuration:

____ VOUT| |VIN GND | |EN ----

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• EN: Enable pin

Functional Features

• High efficiency: The MAX1589AEZT250+T provides a high-efficiency voltage regulation solution, minimizing power dissipation.
• Low dropout voltage: With a dropout voltage as low as 120mV, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes only 40µA of current in standby mode, reducing power consumption and extending battery life.
• Enable pin control: The EN pin allows for easy on/off control of the regulator, conserving power when not needed.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation. - Low dropout voltage ensures stable output voltage even with low input voltages. - Low quiescent current extends battery life. - Enable pin control allows for easy on/off operation.

Disadvantages: - Limited maximum output current of 150mA may not be suitable for high-power applications. - Operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

The MAX1589AEZT250+T is a low-dropout voltage regulator that uses a P-channel MOSFET pass transistor to regulate the output voltage. It operates by comparing the feedback voltage from the output with a reference voltage, adjusting the pass transistor's resistance to maintain a stable output voltage.

When the input voltage (VIN) is within the specified range, the regulator provides a regulated output voltage (VOUT) with minimal power dissipation. The enable pin (EN) can be used to turn the regulator on or off as required.

Detailed Application Field Plans

The MAX1589AEZT250+T is commonly used in various electronic devices and systems where a stable and efficient voltage supply is required. Some potential application fields include:

1. Portable Electronics: Smartphones, tablets, portable media players, and other battery-powered devices benefit from the low dropout voltage and low quiescent current of the MAX1589AEZT250+T, extending battery life.
2. IoT Devices: Internet of Things (IoT) devices often operate on low input voltages and require efficient voltage regulation. The MAX1589AEZT250+T is suitable for powering sensors, wireless modules, and microcontrollers in IoT applications.
3. Automotive Electronics: With its wide operating temperature range, the regulator can be used in automotive electronics, such as infotainment systems, dashboard displays, and lighting control modules.
4. Industrial Control Systems: The MAX1589AEZT250+T can be employed in various industrial control systems that require stable and efficient voltage regulation, including motor control units, PLCs (Programmable Logic Controllers), and instrumentation devices.

Detailed and Complete Alternative Models

1. MAX1589ETM+: Similar to MAX1589AEZT250+T, but with an extended temperature range of -40°C to +125°C.
2. MAX1589ETM+: Higher maximum output current of 300mA, suitable for applications requiring higher power.
3. MAX1589EZT+: Lower dropout voltage of 80mV at 100mA load, ideal for applications with low input voltages.

These alternative models offer similar functionality to the MAX1589AEZT250+T but may have different specifications or features that cater to specific application requirements.

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