L5958SM

Product Overview

• Category: Integrated Circuit
• Use: Power Management
• Characteristics: High Efficiency, Low Power Consumption
• Package: Surface Mount
• Essence: Regulator IC
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage Range: 1.2V to 24V
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to +125°C
• Efficiency: Up to 95%
• Quiescent Current: 50µA

Detailed Pin Configuration

The L5958SM has the following pin configuration:

1. VIN: Input Voltage
2. GND: Ground
3. EN: Enable Pin
4. FB: Feedback Pin
5. VOUT: Output Voltage
6. COMP: Compensation Pin

Functional Features

• Wide input voltage range allows for versatile applications.
• High efficiency ensures minimal power loss.
• Low quiescent current enables energy-saving operation.
• Built-in protection features such as overcurrent and thermal shutdown.
• Adjustable output voltage provides flexibility.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range accommodates various power sources.
• Compact surface mount package saves board space.
• Built-in protection features enhance reliability.
• Adjustable output voltage suits different requirements.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation.
• Higher cost compared to some alternative models.

Working Principles

The L5958SM is a regulator IC that converts an input voltage into a stable output voltage. It utilizes a switching regulator topology to achieve high efficiency. The input voltage is regulated and stepped down to the desired output voltage using an internal control circuit. The feedback pin (FB) monitors the output voltage and adjusts the duty cycle of the internal switch to maintain a constant output voltage.

Detailed Application Field Plans

The L5958SM is suitable for various applications, including:

1. Power supplies for industrial equipment
2. Automotive electronics
3. Battery-powered devices
4. LED lighting systems
5. Telecom infrastructure
6. Consumer electronics

Detailed and Complete Alternative Models

1. L5973D: Similar specifications with higher maximum output current.
2. LM2596: Lower cost alternative with comparable performance.
3. LT1763: Ultra-low quiescent current regulator IC.
4. TPS5430: Wide input voltage range with integrated MOSFET.

These alternative models offer different features and specifications to cater to specific application requirements.

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