MAX6326UR28+T

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Noise, High PSRR
• Package: SOT-23-5
• Essence: Precision Voltage Reference with Reset Output
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 2.8V
• Dropout Voltage: 120mV at 100mA
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Quiescent Current: 50µA
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6326UR28+T has a total of five pins arranged as follows:

1. GND (Ground): Connected to the ground reference of the circuit.
2. VCC (Input Voltage): Connects to the positive supply voltage.
3. RESET (Reset Output): Provides a reset signal when the input voltage drops below the threshold.
4. MR (Manual Reset): Allows manual resetting of the device.
5. OUT (Output Voltage): Provides the regulated output voltage.

Functional Features

• Precision Voltage Reference: The MAX6326UR28+T offers a highly accurate 2.8V output voltage.
• Reset Output: The device includes a reset output that signals when the input voltage falls below the reset threshold.
• Low Dropout: With a dropout voltage of only 120mV at 100mA, the regulator can operate efficiently even with low input voltages.
• Low Noise: The MAX6326UR28+T exhibits low output noise, making it suitable for noise-sensitive applications.
• High PSRR: The regulator provides excellent power supply rejection ratio, minimizing the impact of input voltage fluctuations on the output.

Advantages and Disadvantages

Advantages: - Precise voltage regulation - Reset output for monitoring power supply status - Low dropout voltage for efficient operation - Low noise output for noise-sensitive applications - High power supply rejection ratio

Disadvantages: - Limited to a fixed output voltage of 2.8V - Temperature range limited to -40°C to +85°C

Working Principles

The MAX6326UR28+T is a voltage regulator that utilizes a precision voltage reference to generate a stable 2.8V output voltage. It operates by comparing the reference voltage with the input voltage and adjusting the internal circuitry to maintain the desired output voltage. The device also includes a reset output that monitors the input voltage and provides a signal when it falls below a certain threshold, allowing for proper system initialization or shutdown.

Detailed Application Field Plans

The MAX6326UR28+T is commonly used in various electronic devices and systems that require a precise and stable 2.8V voltage source. Some typical application fields include:

1. Battery-Powered Devices: The low dropout voltage and low quiescent current make the MAX6326UR28+T suitable for battery-powered applications such as portable electronics, IoT devices, and wearables.
2. Industrial Control Systems: The regulator's high PSRR and low noise characteristics make it ideal for use in industrial control systems, ensuring reliable and accurate voltage regulation in noisy environments.
3. Automotive Electronics: With its wide temperature range and robust package, the MAX6326UR28+T can be employed in automotive electronics, including infotainment systems, sensors, and control modules.

Detailed and Complete Alternative Models

1. MAX6325UR29+T: Similar to the MAX6326UR28+T but with a 2.9V output voltage.
2. MAX6327UR27+T: Provides a 2.7V output voltage with similar characteristics to the MAX6326UR28+T.
3. MAX6328UR26+T: Offers a 2.6V output voltage and shares many features with the MAX6326UR28+T.

These alternative models provide different output voltages while maintaining similar characteristics and package options, allowing for flexibility in various applications.

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