MAX6866UK18D3L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Ultra-Low Quiescent Current
• Package: SOT23-5
• Essence: High-performance voltage regulator with low power consumption
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Output Current: 250mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 1.5µA (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX6866UK18D3L+T is a 5-pin device with the following pin configuration:

1. GND (Ground)
2. IN (Input Voltage)
3. EN (Enable)
4. BYP (Bypass Capacitor)
5. OUT (Output Voltage)

Functional Features

• Low dropout voltage ensures stable output even when input voltage is close to the desired output voltage.
• Ultra-low quiescent current minimizes power consumption, making it suitable for battery-powered applications.
• Excellent line and load regulation provide a stable output voltage under varying conditions.
• Enable pin allows for easy on/off control of the regulator.
• Bypass capacitor pin improves transient response and stability.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Ultra-low quiescent current extends battery life. - Excellent line and load regulation provide a stable output. - Small package size (SOT23-5) allows for space-saving designs.

Disadvantages: - Limited output current (250mA) may not be suitable for high-power applications. - Input voltage range is limited to 2.5V to 5.5V.

Working Principles

The MAX6866UK18D3L+T is a voltage regulator that takes an input voltage within the specified range and provides a regulated output voltage of 1.8V. It utilizes a low dropout architecture, which means it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.

The device achieves ultra-low quiescent current by utilizing advanced circuitry that minimizes power consumption when the load is light or inactive. This makes it ideal for applications where power efficiency is crucial, such as battery-powered devices.

The regulator's excellent line and load regulation ensure a stable output voltage under varying conditions, providing reliable power to connected components. The enable pin allows for easy control of the regulator's operation, enabling efficient power management.

Detailed Application Field Plans

The MAX6866UK18D3L+T is well-suited for various applications, including but not limited to:

1. Battery-powered devices: Portable electronics, wearables, IoT sensors.
2. Low-power microcontrollers: Providing a stable power source for efficient operation.
3. Wireless communication modules: Ensuring reliable power supply for consistent performance.
4. Industrial control systems: Powering sensitive analog circuits with low noise and high stability.
5. Automotive electronics: Voltage regulation for automotive sensors, infotainment systems, etc.

Detailed and Complete Alternative Models

1. MAX6866UK18D3L-T: Similar to MAX6866UK18D3L+T, but without tape and reel packaging.
2. MAX6866UK18D3L: Same specifications as MAX6866UK18D3L+T, but in a different package (SOT23-5).
3. MAX6866UK18D2L+T: Similar to MAX6866UK18D3L+T, but with an output voltage of 1.2V.

These alternative models provide flexibility in terms of packaging options and output voltage requirements while maintaining similar characteristics and performance.

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