SM72240/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low power consumption - Compact size - Wide input voltage range

Package: SOP-8 (Small Outline Package)

Essence: SM72240/NOPB is a power management IC designed for various applications that require efficient power conversion.

Packaging/Quantity: The SM72240/NOPB is typically packaged in reels, with 2,500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 2A
• Switching Frequency: 1.2MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SM72240/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin
4. EN: Enable pin
5. SW: Switching pin
6. PGND: Power ground pin
7. VOUT: Output voltage pin
8. COMP: Compensation pin

Functional Features

• High efficiency synchronous buck converter
• Adjustable output voltage through external resistors
• Overcurrent protection
• Thermal shutdown protection
• Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power loss - Wide input voltage range allows for versatile applications - Compact size enables space-saving designs - Overcurrent and thermal protection enhance reliability

Disadvantages: - Limited maximum output current of 2A - Requires external resistors for output voltage adjustment

Working Principles

The SM72240/NOPB operates as a synchronous buck converter, converting the input voltage to a lower output voltage with high efficiency. It utilizes pulse width modulation (PWM) to control the switching of the internal power MOSFETs, achieving efficient power conversion.

Detailed Application Field Plans

The SM72240/NOPB is suitable for various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Industrial automation - Automotive electronics - LED lighting

Detailed and Complete Alternative Models

1. SM72241/NOPB: Similar specifications and features, but with a higher maximum output current of 3A.
2. SM72242/NOPB: Similar specifications and features, but with a lower maximum output current of 1.5A.
3. SM72243/NOPB: Similar specifications and features, but with a wider input voltage range of 4.5V to 24V.

These alternative models provide options based on specific requirements and can be considered as alternatives to the SM72240/NOPB.

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