MAX1845ETX+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low-dropout voltage regulator - Adjustable output voltage - High output current capability - Thermal shutdown protection - Overcurrent protection

Package: 36-pin Thin QFN (Quad Flat No-Lead) package

Essence: The MAX1845ETX+ is a voltage regulator IC designed to provide a stable and adjustable output voltage with high current capability.

Packaging/Quantity: The MAX1845ETX+ is available in a 36-pin Thin QFN package. The quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 3A
• Dropout Voltage: 120mV at 1A
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1845ETX+ has a total of 36 pins. Here is the detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. ADJ: Adjust pin
7. ... (Detailed pin configuration continues for all 36 pins)

Functional Features

• Low dropout voltage: The MAX1845ETX+ can regulate the output voltage even when the input voltage is close to the desired output voltage.
• Adjustable output voltage: The output voltage can be easily adjusted using an external resistor divider connected to the ADJ pin.
• High output current capability: With a maximum output current of 3A, the MAX1845ETX+ can power a wide range of devices.
• Thermal shutdown protection: The IC includes built-in thermal shutdown protection to prevent overheating.
• Overcurrent protection: The MAX1845ETX+ incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - Wide input voltage range - Adjustable output voltage - High output current capability - Thermal and overcurrent protection

Disadvantages: - Limited pin configuration information available - May require additional external components for certain applications

Working Principles

The MAX1845ETX+ operates as a low-dropout voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with an internal reference voltage. By adjusting the resistance connected to the ADJ pin, the output voltage can be set to the desired level. The IC also includes various protection features such as thermal shutdown and overcurrent protection.

Application Field Plans

The MAX1845ETX+ is commonly used in various electronic devices that require a stable and adjustable power supply. Some potential application fields include: - Battery-powered devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics

Alternative Models

Here are some alternative models that provide similar functionality to the MAX1845ETX+: - LM317T - LT1084CP - ADP3339AKCZ

These alternative models can be considered based on specific requirements and availability.

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