MAX6326UR29-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Noise, High Accuracy
• Package: SOT-23
• Essence: Provides regulated voltage with low dropout and high accuracy
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 2.9V
• Output Current: Up to 250mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.05%/mA
• Ripple Rejection: 70dB at 1kHz
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MAX6326UR29-T has a total of 3 pins:

1. VIN - Input Voltage Pin
2. GND - Ground Pin
3. VOUT - Output Voltage Pin

Functional Features

• Low dropout voltage ensures stable output even with small input-output voltage differentials.
• Low noise output for applications sensitive to electrical disturbances.
• High accuracy provides precise voltage regulation.
• Excellent line and load regulation characteristics ensure consistent performance across varying conditions.
• Thermal shutdown and current limit protection features enhance device reliability.

Advantages and Disadvantages

Advantages

• Compact SOT-23 package allows for space-efficient designs.
• Wide input voltage range enables compatibility with various power sources.
• Low quiescent current minimizes power consumption in standby mode.
• High ripple rejection enhances performance in noisy environments.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage may affect efficiency in low input voltage scenarios.

Working Principles

The MAX6326UR29-T is a voltage regulator that maintains a stable output voltage of 2.9V, regardless of variations in the input voltage. It achieves this by utilizing a precision reference and feedback control circuitry. The device operates by comparing the output voltage to a fixed reference voltage and adjusting the internal pass transistor accordingly. This ensures that the output voltage remains constant within specified limits.

Detailed Application Field Plans

The MAX6326UR29-T finds applications in various electronic devices where a stable and accurate voltage supply is required. Some potential application fields include:

1. Battery-powered portable devices: Provides regulated voltage for microcontrollers, sensors, and other components.
2. Communication systems: Ensures consistent power supply for RF modules, transceivers, and signal processing circuits.
3. Industrial automation: Suitable for powering control systems, motor drivers, and analog-to-digital converters.
4. Automotive electronics: Used in automotive modules, infotainment systems, and engine control units.
5. Medical equipment: Provides reliable voltage regulation for medical devices such as patient monitors and diagnostic instruments.

Detailed and Complete Alternative Models

1. MAX6325: Similar voltage regulator with an output voltage of 2.5V.
2. MAX6327: Voltage regulator with an output voltage of 2.7V.
3. MAX6328: Voltage regulator with an output voltage of 2.8V.
4. MAX6329: Voltage regulator with an output voltage of 2.9V (higher output current capability).

These alternative models offer different output voltages to suit specific application requirements while maintaining similar characteristics and package options.

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