MAX709TESA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX709TESA+ is a voltage regulator IC that provides a regulated output voltage for various electronic devices. It is commonly used in power supply circuits to ensure stable and reliable power delivery.

Characteristics: - Input Voltage Range: 2.5V to 16V - Output Voltage Range: 1.25V to 13.2V - Maximum Output Current: 150mA - Low Dropout Voltage: 120mV at 100mA - Low Quiescent Current: 40µA - Adjustable Output Voltage - Thermal Shutdown Protection - Short-Circuit Protection

Package: The MAX709TESA+ is available in a small surface-mount SOT-23 package, which makes it suitable for compact electronic devices.

Essence: The essence of the MAX709TESA+ lies in its ability to regulate voltage efficiently, ensuring stable power supply for electronic devices.

Packaging/Quantity: The MAX709TESA+ is typically sold in reels containing 3000 units per reel.

Specifications

The specifications of the MAX709TESA+ are as follows:

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.2V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.05% (Typical)
• Load Regulation: ±0.1% (Typical)
• Ripple Rejection: 70dB (Typical)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23

Detailed Pin Configuration

The MAX709TESA+ has the following pin configuration:

1. GND (Ground): Connected to the ground reference of the circuit.
2. IN (Input): Connects to the input voltage source.
3. FB (Feedback): Provides feedback for regulating the output voltage.
4. OUT (Output): Delivers the regulated output voltage.

Functional Features

The MAX709TESA+ offers the following functional features:

1. Voltage Regulation: The IC regulates the output voltage within a specified range, ensuring a stable power supply for connected devices.
2. Adjustable Output Voltage: The output voltage can be adjusted using external resistors, allowing flexibility in meeting specific requirements.
3. Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents damage due to excessive heat.
4. Short-Circuit Protection: The MAX709TESA+ incorporates short-circuit protection, safeguarding the device and the connected circuitry from potential damage.

Advantages and Disadvantages

Advantages: - Wide input voltage range allows compatibility with various power sources. - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage provides versatility in different applications. - Thermal shutdown and short-circuit protection enhance reliability and safety.

Disadvantages: - Maximum output current may limit its use in high-power applications. - SOT-23 package may require surface-mount soldering expertise.

Working Principles

The MAX709TESA+ operates based on a voltage regulation principle known as a linear regulator. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage despite changes in the input voltage or load conditions. This is achieved by controlling the pass transistor's resistance, which regulates the output voltage.

Detailed Application Field Plans

The MAX709TESA+ finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronic equipment - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator IC with similar specifications and features.
2. LT1083: A high-current, adjustable linear regulator suitable for demanding applications.
3. LM1117: A low dropout voltage regulator available in various fixed output voltages.

These alternative models offer comparable functionality to the MAX709TESA+ and can be considered based on specific requirements and availability.

In conclusion, the MAX709TESA+ is a versatile voltage regulator IC that provides stable power supply in various electronic applications. Its adjustable output voltage, thermal shutdown protection, and compact package make it an attractive choice for designers seeking reliable voltage regulation solutions.

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