LMR342FVJ-GE2

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency voltage regulator - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Current limit and thermal shutdown protection - Small package size for space-constrained applications

Package: SOT-23-5

Essence: The LMR342FVJ-GE2 is a power management integrated circuit designed to regulate voltage efficiently in various electronic devices.

Packaging/Quantity: The LMR342FVJ-GE2 is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Maximum Output Current: 500mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LMR342FVJ-GE2 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

• High Efficiency: The LMR342FVJ-GE2 utilizes advanced circuitry to achieve high efficiency, minimizing power losses during voltage regulation.
• Adjustable Output Voltage: The output voltage can be adjusted within a specified range, providing flexibility for different application requirements.
• Current Limit and Thermal Shutdown Protection: The IC incorporates current limit and thermal shutdown features to protect against excessive current and temperature conditions.
• Wide Input Voltage Range: The LMR342FVJ-GE2 can operate with input voltages ranging from 2.7V to 5.5V, making it suitable for a wide range of applications.
• Small Package Size: The SOT-23-5 package offers a compact form factor, ideal for space-constrained electronic devices.

Advantages and Disadvantages

Advantages: - High efficiency operation - Adjustable output voltage - Current limit and thermal shutdown protection - Wide input voltage range - Compact package size

Disadvantages: - Limited maximum output current (500mA)

Working Principles

The LMR342FVJ-GE2 is a linear voltage regulator that operates by comparing the feedback voltage (FB) with a reference voltage. It adjusts the pass transistor's resistance to maintain a stable output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The LMR342FVJ-GE2 finds applications in various electronic devices requiring regulated power supply, such as: - Battery-powered devices - Portable consumer electronics - IoT devices - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LT1763: Low dropout voltage regulator with ultra-low quiescent current.
3. TPS7A47: High-performance voltage regulator with wide input voltage range.

These alternative models offer similar functionality to the LMR342FVJ-GE2 and can be considered based on specific application requirements.

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