MAX1734EUK18+ - English Editing Encyclopedia Entry

Product Overview

Category

The MAX1734EUK18+ belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Maximum Output Current: 300mA
• Low Dropout Voltage: 120mV at 100mA
• Low Quiescent Current: 40µA (typical)
• Shutdown Current: 0.1µA (typical)

Package

The MAX1734EUK18+ comes in a SOT23-5 package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, even when the input voltage varies.

Packaging/Quantity

The MAX1734EUK18+ is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Output Current: Up to 300mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT23-5

Detailed Pin Configuration

The MAX1734EUK18+ has the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. FB (Feedback)
5. OUT (Output Voltage)

Functional Features

• Wide Input Voltage Range: The MAX1734EUK18+ can accept input voltages ranging from 2.5V to 5.5V, making it suitable for a variety of applications.
• Low Dropout Voltage: With a dropout voltage as low as 120mV at 100mA, this voltage regulator minimizes power loss and maximizes efficiency.
• Low Quiescent Current: The quiescent current of only 40µA (typical) ensures minimal power consumption during operation.
• Shutdown Mode: The device features a shutdown mode with a low current draw of 0.1µA (typical), allowing for further power savings when not in use.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low dropout voltage minimizes power loss and improves efficiency.
• Low quiescent current reduces power consumption during operation.
• Shutdown mode enables additional power savings when not in use.

Disadvantages

• Limited output current of up to 300mA may not be sufficient for high-power applications.
• SOT23-5 package may limit heat dissipation capabilities in certain scenarios.

Working Principles

The MAX1734EUK18+ is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to adjust the pass transistor's resistance and maintain a stable output voltage. When the enable pin (EN) is high, the regulator is active and regulates the output voltage. Conversely, when the EN pin is low, the regulator enters shutdown mode, drawing minimal current.

Detailed Application Field Plans

The MAX1734EUK18+ finds applications in various fields, including but not limited to: 1. Battery-powered devices: Provides regulated voltage for portable electronic devices such as smartphones, tablets, and wearables. 2. IoT devices: Suitable for powering sensors, microcontrollers, and communication modules in Internet of Things (IoT) applications. 3. Automotive electronics: Can be used to regulate voltage in automotive systems, including infotainment systems, lighting controls, and power management units. 4. Industrial equipment: Provides stable voltage for control systems, motor drives, and other industrial electronic devices.

Detailed and Complete Alternative Models

1. MAX1735EUK18+: Similar to the MAX1734EUK18+, but with an output voltage of 1.8V and a higher maximum output current of 500mA.
2. MAX1736EUK18+: Another alternative with an output voltage of 1.8V, but with a lower dropout voltage of 80mV at 100mA.
3. MAX1737EUK18+: Offers an output voltage of 1.8V and a higher maximum output current of 800mA, suitable for more demanding applications.

In conclusion, the MAX1734EUK18+ is a voltage regulator that provides stable and regulated voltage in a wide range of applications. With its low dropout voltage, low qu