LTC1844ES5-2.8#TRMPBF

Product Overview

The LTC1844ES5-2.8#TRMPBF belongs to the category of voltage regulators and is specifically designed for use in low power applications. This product is characterized by its small package size, low dropout voltage, and high accuracy, making it suitable for a wide range of portable and battery-powered devices. The LTC1844ES5-2.8#TRMPBF is available in a 5-lead SOT-23 package and is an essential component for ensuring stable and reliable power supply in various electronic systems.

Package and Quantity

The LTC1844ES5-2.8#TRMPBF is packaged in a 5-lead SOT-23 package and is typically available in reels containing a specific quantity based on customer requirements.

Specifications

• Output Voltage: 2.8V
• Dropout Voltage: 300mV at 100mA
• Quiescent Current: 40μA
• Input Voltage Range: 2.5V to 6V
• Load Regulation: 0.05% (ΔVOUT)
• Line Regulation: 0.025% (ΔVOUT)

Detailed Pin Configuration

The LTC1844ES5-2.8#TRMPBF features the following pin configuration: 1. VIN - Input Voltage 2. GND - Ground 3. SHDN - Shutdown Control 4. NC - No Connection 5. VOUT - Output Voltage

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even with small input-output differentials.
• Low Quiescent Current: Minimizes power consumption in standby or low-load conditions.
• Shutdown Control: Allows for power-saving mode when not in use.
• High Accuracy: Provides precise output voltage regulation for sensitive electronic components.

Advantages and Disadvantages

Advantages

• Small package size ideal for space-constrained applications.
• Low dropout voltage enables operation with low input voltages.
• Low quiescent current for extended battery life in portable devices.
• High accuracy ensures stable and reliable output voltage.

Disadvantages

• Limited maximum output current compared to larger regulators.
• Sensitive to input voltage fluctuations due to low dropout voltage.

Working Principles

The LTC1844ES5-2.8#TRMPBF operates as a low dropout linear regulator, maintaining a constant output voltage despite variations in input voltage and load conditions. It utilizes a precision reference and error amplifier to control the pass transistor, ensuring accurate regulation within specified limits.

Detailed Application Field Plans

The LTC1844ES5-2.8#TRMPBF finds extensive application in various battery-powered and portable electronic devices, including: - Mobile phones - Portable media players - Digital cameras - Handheld gaming consoles - Wearable devices - IoT sensors

Detailed and Complete Alternative Models

For applications requiring different output voltages or higher current capabilities, alternative models to consider include: - LTC1763 - Adjustable and fixed output voltage options with higher current capacity. - LT1761 - Low dropout regulators with adjustable and fixed output voltage variants. - LTC3026 - Ultra-low quiescent current regulators for extended battery life in low-power applications.

In conclusion, the LTC1844ES5-2.8#TRMPBF serves as a crucial component in the design and implementation of power management solutions for modern electronic devices, offering a balance of size, efficiency, and accuracy to meet the demands of portable and battery-powered applications.

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