MAX8891EXK33+T

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Small package size
  • Low quiescent current
• Package: SOT23-5
• Essence: Power management IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Output Current: Up to 500mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8891EXK33+T has a total of five pins arranged as follows:

```

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| | --| V IN | --| GND | --| EN | --| V OUT | |___________| ```

• V IN: Input voltage pin
• GND: Ground pin
• EN: Enable pin for turning the regulator on/off
• V OUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• High efficiency results in minimal power dissipation and extended battery life.
• Small package size allows for space-saving integration into compact electronic devices.
• Low quiescent current reduces power consumption during standby or idle modes.

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Stable output voltage of 3.3V ensures reliable operation of connected components.
• Excellent load and line regulation provide consistent performance across different conditions.
• Thermal shutdown and current limit protection features enhance device safety.

Disadvantages

• Limited output current of up to 500mA may not be sufficient for high-power applications.
• SOT23-5 package may require additional thermal management for certain operating conditions.

Working Principles

The MAX8891EXK33+T is a voltage regulator IC that converts an input voltage within the range of 2.7V to 5.5V into a stable 3.3V output voltage. It utilizes a low dropout linear regulator architecture to achieve high efficiency and low power dissipation. The enable pin allows for easy control of the regulator's operation, enabling power-saving modes when necessary.

Detailed Application Field Plans

The MAX8891EXK33+T is commonly used in various battery-powered electronic devices, such as: - Portable consumer electronics - Wearable devices - IoT (Internet of Things) devices - Medical devices - Industrial equipment

Detailed and Complete Alternative Models

• LM1117-3.3: A popular alternative with similar specifications and package options.
• MCP1700-3302E: Another alternative offering low dropout voltage and small package size.
• TPS73633DBVR: An alternative with higher output current capability and thermal shutdown protection.

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