LM3411AM5-5.0

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Fixed Output Voltage: 5.0V - Low Dropout Voltage: 0.4V at 1A Load Current - Low Quiescent Current: 75µA - Wide Input Voltage Range: 6V to 42V - Thermal Shutdown Protection - Short-Circuit Protection - SOT-23 Package

Package: SOT-23

Essence: The LM3411AM5-5.0 is a voltage regulator IC that provides a fixed output voltage of 5.0V. It is designed to regulate the input voltage and provide a stable output voltage for various electronic devices.

Packaging/Quantity: The LM3411AM5-5.0 is available in a SOT-23 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 6V to 42V
• Output Voltage: 5.0V
• Dropout Voltage: 0.4V at 1A Load Current
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Pin Configuration

The LM3411AM5-5.0 has three pins:

1. VIN (Pin 1): Input Voltage Pin. Connects to the positive terminal of the input power source.
2. GND (Pin 2): Ground Pin. Connects to the ground or negative terminal of the input power source.
3. VOUT (Pin 3): Output Voltage Pin. Provides a regulated 5.0V output voltage.

Functional Features

• Fixed Output Voltage: The LM3411AM5-5.0 provides a fixed output voltage of 5.0V, ensuring a stable power supply for connected devices.
• Low Dropout Voltage: With a dropout voltage of only 0.4V at 1A load current, the LM3411AM5-5.0 minimizes power loss and improves efficiency.
• Low Quiescent Current: The IC has a low quiescent current of 75µA, reducing power consumption when the load is light or idle.
• Thermal Shutdown Protection: The LM3411AM5-5.0 includes thermal shutdown protection, which prevents the IC from overheating and ensures safe operation.
• Short-Circuit Protection: It also features short-circuit protection, safeguarding the IC and connected devices from damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Stable and regulated output voltage - Low dropout voltage for improved efficiency - Low quiescent current for reduced power consumption - Thermal shutdown and short-circuit protection for safety

Disadvantages: - Fixed output voltage may not be suitable for all applications requiring different voltages - Limited input voltage range (6V to 42V)

Working Principles

The LM3411AM5-5.0 operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 5.0V. When the input voltage exceeds the required output voltage, the IC reduces the excess voltage across its internal pass transistor, resulting in a regulated output voltage.

Application Field Plans

The LM3411AM5-5.0 can be used in various applications that require a stable 5.0V power supply. Some potential application fields include:

1. Battery-Powered Devices: The IC can be used in portable electronic devices, such as smartphones, tablets, and handheld gaming consoles, to regulate the battery voltage and provide a stable power source.
2. Automotive Electronics: It can be employed in automotive applications, such as car audio systems, GPS devices, and dashboard displays, to ensure a consistent 5.0V supply despite fluctuations in the vehicle's electrical system.
3. Industrial Control Systems: The LM3411AM5-5.0 can be utilized in industrial control systems, PLCs (Programmable Logic Controllers), and automation equipment to maintain a reliable power source for various components.

Alternative Models

Some alternative models that offer similar functionality to the LM3411AM5-5.0 include:

1. LM2940CT-5.0: Fixed 5.0V voltage regulator with a TO-220 package.
2. LT1761ES5-5: Low dropout voltage regulator with a fixed 5.0V output and SOT-23 package.
3. **TS2950CT-5.