MAX853ISA+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: The MAX853ISA+ is a voltage regulator IC that provides a stable output voltage for various electronic devices. It is commonly used in power supply circuits to regulate and control the voltage levels.

Characteristics: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Current limiting and thermal shutdown protection - Small package size

Package: The MAX853ISA+ is available in a small outline integrated circuit (SOIC) package, which allows for easy integration into electronic circuits.

Essence: The essence of the MAX853ISA+ is its ability to regulate and stabilize the output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity: The MAX853ISA+ is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.2V
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX853ISA+ has a total of 8 pins, each serving a specific function:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin for voltage regulation
5. VOUT: Output voltage pin
6. NC: No connection pin
7. NC: No connection pin
8. NC: No connection pin

Functional Features

• Voltage Regulation: The MAX853ISA+ maintains a stable output voltage, even with varying input voltages and load conditions.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow, ensuring the safety of connected devices.
• Thermal Shutdown: The IC includes a thermal shutdown feature that activates when the temperature exceeds a certain threshold, protecting it from overheating.
• Enable Pin: The enable pin allows for easy on/off control of the voltage regulator.

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures reliable operation of electronic devices. - Low dropout voltage minimizes power loss and improves efficiency. - Wide input voltage range allows for compatibility with various power sources. - Small package size enables compact circuit designs.

Disadvantages: - Limited output current capacity may not be suitable for high-power applications. - Requires external components (such as capacitors) for proper operation.

Working Principles

The MAX853ISA+ operates based on a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. This is achieved by controlling the pass transistor, which regulates the voltage across the load.

Detailed Application Field Plans

The MAX853ISA+ finds applications in various electronic devices and systems, including: 1. Battery-powered devices 2. Portable audio players 3. Mobile phones 4. Embedded systems 5. Automotive electronics

Detailed and Complete Alternative Models

1. LM317T: A popular adjustable voltage regulator IC with similar characteristics and functionality.
2. LT1084CP: A high-current, low-dropout voltage regulator IC suitable for demanding applications.
3. LM1117-3.3: A fixed 3.3V voltage regulator IC commonly used in microcontroller-based systems.

These alternative models offer different specifications and features, providing options for specific application requirements.

In conclusion, the MAX853ISA+ is an integrated circuit voltage regulator that offers precise voltage regulation, low dropout voltage, and thermal protection. It is commonly used in various electronic devices and systems, providing stable power supply solutions.