LM2733XMF/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low quiescent current - Wide input voltage range - Adjustable output voltage - Small package size

Package: SOT-23-5

Essence: The LM2733XMF/NOPB is a voltage regulator IC designed to provide a regulated output voltage from a wide range of input voltages. It offers high efficiency and low quiescent current, making it suitable for various applications.

Packaging/Quantity: The LM2733XMF/NOPB is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 20V
• Output Voltage Range: 1.2V to 18V
• Quiescent Current: 17µA (typical)
• Efficiency: Up to 95%
• Switching Frequency: 1.6MHz (typical)
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LM2733XMF/NOPB has the following pin configuration:

____ EN |1 5| VOUT GND |2 4| FB VIN |3___|

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

Functional Features

• Wide input voltage range allows for versatile applications.
• Adjustable output voltage provides flexibility.
• High efficiency helps conserve power.
• Low quiescent current minimizes standby power consumption.
• Internal over-temperature protection ensures safe operation.

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power dissipation. - Wide input voltage range allows for compatibility with various power sources. - Adjustable output voltage provides flexibility for different applications. - Small package size saves board space. - Low quiescent current helps prolong battery life.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - SOT-23-5 package may require additional thermal considerations for heat dissipation.

Working Principles

The LM2733XMF/NOPB is a step-down (buck) voltage regulator. It uses a switching regulator topology to efficiently convert the input voltage to a lower, regulated output voltage. The internal control circuitry adjusts the duty cycle of the switching transistor to maintain the desired output voltage. This switching action allows for high efficiency and reduced power dissipation.

Detailed Application Field Plans

The LM2733XMF/NOPB can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronics 3. Industrial automation 4. Automotive systems 5. IoT (Internet of Things) devices

Detailed and Complete Alternative Models

1. LM2733YMF/NOPB: Similar to LM2733XMF/NOPB, but with a different pin configuration (SOT-23-6 package).
2. LM2576-ADJ: Adjustable voltage regulator with higher maximum output current (TO-220 package).
3. LM317T: Adjustable linear voltage regulator with higher output voltage range (TO-220 package).

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

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