MAX6865UK18D5L+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Ultra-Low Quiescent Current
• Package: SOT-23-5
• Essence: High-Performance Linear Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.8V
• Output Current: 150mA
• 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 MAX6865UK18D5L+T IC has a SOT-23-5 package 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 for efficient power conversion.
• Ultra-low quiescent current for extended battery life.
• Excellent line and load regulation for stable output voltage.
• Thermal shutdown and current limit protection.
• Enable pin for easy on/off control.

Advantages and Disadvantages

Advantages

• High-performance linear regulator with low dropout voltage.
• Ultra-low quiescent current extends battery life in portable devices.
• Excellent line and load regulation ensures stable output voltage.
• Small SOT-23-5 package for space-constrained applications.
• Thermal shutdown and current limit protection enhance reliability.

Disadvantages

• Limited output current (150mA) may not be suitable for high-power applications.
• Input voltage range limited to 2.5V to 5.5V, restricting compatibility with lower or higher voltages.

Working Principles

The MAX6865UK18D5L+T is a linear voltage regulator that regulates the input voltage to a stable 1.8V output voltage. It achieves this by using a pass transistor that adjusts its resistance to maintain the desired output voltage. The enable pin allows easy on/off control of the regulator, while the bypass capacitor pin improves stability and reduces noise.

Detailed Application Field Plans

The MAX6865UK18D5L+T is commonly used in various battery-powered applications, such as:

1. Portable electronic devices (e.g., smartphones, tablets, portable media players)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. IoT (Internet of Things) devices
4. Wireless sensor networks
5. Medical devices
6. Industrial equipment

Detailed and Complete Alternative Models

1. MAX6865UK18D3L+T: Output voltage of 1.8V, but with a lower dropout voltage of 80mV at 100mA.
2. MAX6865UK18D2L+T: Output voltage of 1.8V, but with a lower dropout voltage of 60mV at 100mA.
3. MAX6865UK18D1L+T: Output voltage of 1.8V, but with a lower dropout voltage of 40mV at 100mA.
4. MAX6865UK25D5L+T: Output voltage of 2.5V, suitable for applications requiring a higher voltage.

These alternative models provide options with different dropout voltages and output voltages to suit specific application requirements.

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