MAX8867EZK33+T

Product Overview

• Category: Voltage Regulator
• Use: Power management
• Characteristics: Low-dropout linear regulator
• Package: SOT23-5
• Essence: Regulates input voltage to a stable output voltage
• Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 3.3V
• Dropout Voltage: 120mV at 150mA load current
• Quiescent Current: 40µA (typical)
• Load Regulation: ±0.1% (typical)
• Line Regulation: ±0.05% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8867EZK33+T has the following pin configuration:

1. GND: Ground connection
2. IN: Input voltage connection
3. BYP: Bypass capacitor connection for improved noise performance
4. FB: Feedback pin for setting the output voltage
5. OUT: Output voltage connection

Functional Features

• Low dropout voltage allows for efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or low-load conditions.
• Excellent load and line regulation provide stable output voltage across varying loads and input voltages.
• Thermal shutdown and current limit protection features safeguard the device from excessive heat and current.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power conversion. - Wide input voltage range allows for versatile applications. - Small package size makes it suitable for space-constrained designs. - Excellent load and line regulation ensure stable output voltage.

Disadvantages: - Limited output voltage options (only available in 3.3V). - SOT23-5 package may require surface-mount soldering expertise.

Working Principles

The MAX8867EZK33+T is a low-dropout linear regulator that regulates the input voltage to a stable 3.3V output voltage. It achieves this by utilizing a pass transistor that adjusts its resistance to maintain the desired output voltage despite variations in the input voltage and load conditions. The feedback pin (FB) allows for precise adjustment of the output voltage using an external resistor divider network.

Detailed Application Field Plans

The MAX8867EZK33+T finds applications in various fields, including but not limited to: 1. Battery-powered devices: Provides regulated power supply for portable electronics, such as smartphones, tablets, and wearables. 2. Industrial automation: Used in control systems, sensors, and actuators to ensure stable power delivery. 3. Automotive electronics: Suitable for powering microcontrollers, sensors, and other components in automotive applications. 4. IoT devices: Enables efficient power management in connected devices, such as smart home appliances and environmental sensors.

Detailed and Complete Alternative Models

1. MAX8867EZK25+T: Output voltage of 2.5V
2. MAX8867EZK28+T: Output voltage of 2.8V
3. MAX8867EZK30+T: Output voltage of 3.0V
4. MAX8867EZK50+T: Output voltage of 5.0V

These alternative models provide different output voltage options to suit specific application requirements.

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