LM346MX

Product Overview

Category: Integrated Circuit (IC)

Use: LM346MX is a voltage regulator IC primarily used for regulating and stabilizing electrical voltage in various electronic devices.

Characteristics: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Thermal shutdown protection - Short circuit protection

Package: LM346MX is available in a small outline package (SOIC) with 8 pins.

Essence: The essence of LM346MX lies in its ability to provide stable and regulated voltage output, ensuring the proper functioning of electronic circuits.

Packaging/Quantity: LM346MX is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

LM346MX has the following specifications:

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 0.4V (typical)
• Output Current: Up to 500mA
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The pin configuration of LM346MX is as follows:

```

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| | --| Vout Vin|-- --| GND Adj|-- |___________| ```

Pin Description: - Vout: Output voltage pin - Vin: Input voltage pin - GND: Ground pin - Adj: Adjust pin (used to set the desired output voltage)

Functional Features

The functional features of LM346MX include:

1. Voltage Regulation: LM346MX ensures a stable and regulated output voltage, even when the input voltage fluctuates.
2. Low Dropout Voltage: It operates efficiently with a low dropout voltage, minimizing power dissipation.
3. Thermal Shutdown Protection: LM346MX incorporates thermal shutdown protection to prevent overheating and damage.
4. Short Circuit Protection: It offers short circuit protection, safeguarding the IC and connected components from damage.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Wide input voltage range - Low dropout voltage - Thermal and short circuit protection enhance reliability

Disadvantages: - Limited output current capacity (up to 500mA) - Requires external components for precise voltage adjustment

Working Principles

LM346MX operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. By continuously monitoring and adjusting, it compensates for any changes in the input voltage, ensuring a regulated output.

Application Field Plans

LM346MX finds applications in various electronic devices and systems, including but not limited to:

1. Power supply units for consumer electronics
2. Battery-powered devices requiring stable voltage
3. Automotive electronics
4. Industrial control systems
5. Medical equipment
6. Communication devices

Alternative Models

Here are some alternative models that can be considered as alternatives to LM346MX:

1. LM317T
2. LM7805
3. LT1083CP
4. ADP3339AKCZ-3.3-R7
5. MAX603CPA

These models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, LM346MX is an integrated circuit voltage regulator known for its high precision, low dropout voltage, and wide input voltage range. With its thermal and short circuit protection features, it ensures reliable voltage regulation in various electronic applications.