MAX5033DUPA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High-efficiency, synchronous step-down DC-DC converter - Wide input voltage range - Adjustable output voltage - Low quiescent current - Overcurrent and overtemperature protection

Package: TSSOP-8

Essence: The MAX5033DUPA+ is a power management IC that provides efficient step-down conversion of input voltage to adjustable output voltage.

Packaging/Quantity: The MAX5033DUPA+ is available in a TSSOP-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 500mA
• Quiescent Current: 17µA (typical)
• Switching Frequency: 1MHz (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX5033DUPA+ has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1: Ground --| EN FB |-- Pin 2: Feedback Input --| LX SW |-- Pin 3: Switch Node --| PG SS |-- Pin 4: Power Good / Soft-Start |___________| ```

Functional Features

• High efficiency: The MAX5033DUPA+ utilizes synchronous rectification to achieve high conversion efficiency.
• Wide input voltage range: It can accept input voltages ranging from 4.5V to 28V, making it suitable for various applications.
• Adjustable output voltage: The output voltage can be adjusted from 0.6V to the input voltage.
• Low quiescent current: The IC has a low quiescent current of only 17µA, reducing power consumption in standby mode.
• Overcurrent and overtemperature protection: The MAX5033DUPA+ incorporates protection features to prevent damage due to excessive current or temperature.

Advantages and Disadvantages

Advantages: - High efficiency conversion - Wide input voltage range - Adjustable output voltage - Low quiescent current - Built-in protection features

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The MAX5033DUPA+ operates as a step-down DC-DC converter. It uses a synchronous rectification technique to achieve high efficiency. The input voltage is stepped down to the desired output voltage using an internal switch and inductor. The feedback input pin allows for adjustable output voltage control. The IC also includes protection features such as overcurrent and overtemperature protection.

Detailed Application Field Plans

The MAX5033DUPA+ is commonly used in various applications that require efficient power management. Some of the typical application fields include: - Battery-powered devices - Portable electronics - Industrial equipment - Automotive systems - Telecommunications

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MAX5033DUPA+ are: - MAX5035DUPA+ - MAX5036DUPA+ - MAX5037DUPA+ - MAX5038DUPA+

These alternative models provide comparable features and specifications, allowing users to choose the most suitable option for their specific requirements.

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