LM2640MTCX-ADJ/NOPB

Product Overview

Category

The LM2640MTCX-ADJ/NOPB belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Adjustable output voltage
• High efficiency
• Low dropout voltage
• Small package size
• Wide input voltage range

Package

The LM2640MTCX-ADJ/NOPB comes in a small surface-mount package.

Essence

The essence of the LM2640MTCX-ADJ/NOPB is its ability to provide stable and regulated voltage output in various electronic applications.

Packaging/Quantity

The LM2640MTCX-ADJ/NOPB is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Output Current: Up to 1A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM2640MTCX-ADJ/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for adjusting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Output voltage pin

Functional Features

• Adjustable output voltage allows flexibility in different applications.
• High efficiency ensures minimal power loss during voltage regulation.
• Low dropout voltage enables operation even when the input voltage is close to the desired output voltage.
• Enable pin allows for easy control of the regulator's operation.

Advantages

• Wide input voltage range makes it suitable for various power supply sources.
• Small package size saves valuable board space in electronic designs.
• High efficiency reduces power dissipation and extends battery life in portable devices.
• Adjustable output voltage provides versatility in different circuit requirements.

Disadvantages

• Limited output current may not be sufficient for high-power applications.
• Dropout voltage may affect performance when the input voltage is close to the desired output voltage.

Working Principles

The LM2640MTCX-ADJ/NOPB operates as a step-down (buck) voltage regulator. It takes an input voltage within the specified range and converts it to a lower, regulated output voltage. This is achieved through a combination of switching elements, control circuitry, and feedback mechanisms.

Detailed Application Field Plans

The LM2640MTCX-ADJ/NOPB finds application in various electronic systems, including but not limited to:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other components in portable electronics.
2. Industrial automation: Used in control systems, motor drives, and power supplies.
3. Automotive electronics: Suitable for powering infotainment systems, lighting modules, and other automotive applications.
4. IoT devices: Enables efficient power management in smart home devices, wearables, and wireless sensor networks.

Detailed and Complete Alternative Models

1. LM2678S-ADJ/NOPB: Similar adjustable voltage regulator with higher output current capability.
2. LM1117MPX-ADJ/NOPB: Fixed output voltage regulator with adjustable version available.
3. LT1763CS8-ADJ: Low dropout voltage regulator with adjustable output voltage.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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