MAX8840ELT19+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low Dropout Linear Regulator
• Package: 6-Pin Thin SOT23
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage: 1.9V
• Output Current: Up to 150mA
• Dropout Voltage: 160mV at 100mA
• Quiescent Current: 40µA
• Line Regulation: ±0.05%/V
• Load Regulation: ±0.15%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MAX8840ELT19+T has the following pin configuration:

1. GND: Ground connection
2. IN: Input voltage supply
3. EN: Enable pin for turning the regulator on/off
4. BYP: Bypass capacitor connection
5. FB: Feedback pin for setting the output voltage
6. OUT: Output voltage connection

Functional Features

• Low dropout voltage for efficient power management
• Wide input voltage range allows flexibility in power supply selection
• Low quiescent current for power-saving applications
• Excellent line and load regulation for stable output voltage
• Thermal shutdown and current limit protection for device safety

Advantages and Disadvantages

Advantages

• Compact package size enables space-saving designs
• Low dropout voltage minimizes power dissipation
• Wide input voltage range provides versatility in system integration
• Excellent line and load regulation ensures stable performance

Disadvantages

• Limited output current may not be suitable for high-power applications
• Single fixed output voltage limits flexibility in voltage selection

Working Principles

The MAX8840ELT19+T is a low dropout linear regulator that regulates the input voltage to a fixed 1.9V output voltage. It achieves this by using a pass transistor and feedback circuitry to maintain a stable output voltage despite variations in input voltage and load conditions. The enable pin allows the user to turn the regulator on or off as needed.

Detailed Application Field Plans

The MAX8840ELT19+T is commonly used in various battery-powered devices, such as portable electronics, handheld instruments, and wireless communication systems. Its low dropout voltage and low quiescent current make it ideal for power-sensitive applications where efficiency and battery life are crucial.

Detailed and Complete Alternative Models

• MAX8840ELT18+T: Output voltage of 1.8V
• MAX8840ELT20+T: Output voltage of 2.0V
• MAX8840ELT21+T: Output voltage of 2.1V
• MAX8840ELT22+T: Output voltage of 2.2V

These alternative models provide different output voltage options while maintaining similar characteristics and package options.

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