MAX1735EUK25+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low-dropout voltage regulator - Fixed output voltage of 2.5V - Low quiescent current - High output current capability - Thermal shutdown protection - Short-circuit current limit

Package: SOT-23-5

Essence: The MAX1735EUK25+ is a low-dropout voltage regulator designed for various power management applications.

Packaging/Quantity: The MAX1735EUK25+ is available in tape and reel packaging, with a quantity of 3,000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 2.5V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Output Current: 250mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX1735EUK25+ has the following pin configuration:

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| | --+----+-- 1| |5 2| |4 3|____| ```

Pin 1: IN - Input Voltage Pin 2: GND - Ground Pin 3: FB - Feedback Pin 4: BYP - Bypass Capacitor Pin 5: OUT - Output Voltage

Functional Features

• Low dropout voltage allows operation with small input-output differentials.
• Fixed output voltage eliminates the need for external resistors.
• Low quiescent current ensures minimal power consumption during standby or idle mode.
• High output current capability enables driving of various loads.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the regulator and load from excessive current.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power conversion. - Fixed output voltage simplifies circuit design. - Low quiescent current minimizes power consumption. - Thermal shutdown protection ensures device safety. - Short-circuit current limit protects the regulator and load.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Fixed output voltage restricts flexibility in voltage selection.

Working Principles

The MAX1735EUK25+ is a low-dropout voltage regulator that regulates the output voltage by maintaining a constant voltage difference between the input and output. It achieves this by using a pass transistor that adjusts its resistance based on the feedback signal received from the FB pin. The regulator operates in a linear mode, dissipating excess voltage as heat.

Detailed Application Field Plans

The MAX1735EUK25+ can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronic devices 3. Wireless communication systems 4. Industrial control systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. MAX1736EUK25+: Similar to MAX1735EUK25+, but with an adjustable output voltage.
2. MAX1737EUK25+: Similar to MAX1735EUK25+, but with a higher output current capability.
3. MAX1738EUK25+: Similar to MAX1735EUK25+, but with additional features such as enable/disable control.

These alternative models provide options for different requirements and specifications within the same product family.

In conclusion, the MAX1735EUK25+ is a low-dropout voltage regulator that offers a fixed output voltage of 2.5V, low quiescent current, and thermal shutdown protection. It is suitable for various power management applications and can be used in battery-powered devices, portable electronics, wireless communication systems, industrial control systems, and automotive electronics. Alternative models with adjustable output voltage or higher output current capability are also available within the same product family.