MAX6328XR31+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Noise, High Accuracy
• Package: SOT23-3
• Essence: Provides stable and regulated voltage output
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.1V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 40µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.05%/mA
• Output Noise: 30µVRMS (10Hz to 100kHz)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6328XR31+T has a SOT23-3 package with the following pin configuration:

```

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| | --| V+ |-- --| GND |-- --| VOUT|-- |____| ```

• V+: Input Voltage Pin
• GND: Ground Pin
• VOUT: Output Voltage Pin

Functional Features

• Low dropout voltage ensures efficient power conversion.
• Low output noise provides clean and stable voltage output.
• High accuracy guarantees precise voltage regulation.
• Wide input voltage range allows flexibility in power supply selection.
• Small package size enables space-saving designs.

Advantages

• Provides stable and regulated voltage output.
• Low dropout voltage minimizes power dissipation.
• Low output noise ensures reliable performance of sensitive components.
• High accuracy allows for precise voltage regulation.
• Wide input voltage range accommodates various power sources.
• Small package size facilitates compact circuit designs.

Disadvantages

• Limited output current capability.
• Higher cost compared to non-regulated voltage sources.
• Requires external capacitors for stability.

Working Principles

The MAX6328XR31+T is a low dropout voltage regulator that maintains a stable output voltage despite variations in the input voltage. It utilizes a pass transistor and feedback mechanism to regulate the output voltage. The pass transistor adjusts its resistance to compensate for changes in the input voltage, ensuring a constant output voltage. The device also includes protection features such as thermal shutdown and current limit to safeguard against excessive heat and overloading.

Detailed Application Field Plans

The MAX6328XR31+T is commonly used in various applications where a stable and regulated voltage supply is required. Some typical application fields include:

1. Battery-powered devices: Provides a steady voltage source for portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial automation: Ensures reliable power supply for control systems, sensors, and actuators in industrial environments.
3. Automotive electronics: Regulates voltage for automotive components, including infotainment systems, lighting, and engine control units.
4. Medical equipment: Maintains precise voltage levels for medical devices, such as patient monitors, diagnostic equipment, and infusion pumps.
5. Communication systems: Stabilizes voltage for wireless communication devices, routers, and network switches.

Detailed and Complete Alternative Models

• MAX6329: Similar voltage regulator with adjustable output voltage.
• MAX6327: Low dropout voltage regulator with different fixed output voltages.
• MAX603: Ultra-low dropout voltage regulator with higher output current capability.
• LT1763: Voltage regulator with lower dropout voltage and higher accuracy.

Note: This is not an exhaustive list, and there are several other alternative models available from different manufacturers.

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