SPP-4M125: Product Overview and Specifications

Introduction

The SPP-4M125 is a versatile electronic component that belongs to the category of integrated circuits. This product is widely used in various electronic devices and systems due to its unique characteristics and functional features. In this entry, we will provide an overview of the SPP-4M125, including its basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Integrated Circuit
• Use: The SPP-4M125 is commonly used as a voltage regulator in electronic circuits to maintain a stable output voltage.
• Characteristics: It is known for its high precision, low dropout voltage, and thermal shutdown protection.
• Package: The SPP-4M125 is available in a compact and durable TO-220 package.
• Essence: Its essence lies in providing reliable voltage regulation for electronic devices.
• Packaging/Quantity: Typically, the SPP-4M125 is packaged individually and is available in varying quantities based on the manufacturer's specifications.

Specifications

• Input Voltage Range: 4.5V to 25V
• Output Voltage Range: 1.25V to 20V
• Maximum Output Current: 1.5A
• Dropout Voltage: 0.5V at 1A
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 5mA

Detailed Pin Configuration

The SPP-4M125 has a standard pin configuration with input, output, and ground pins. The pinout is as follows: 1. Input (Vin): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference. 3. Output (Vout): Provides the regulated output voltage.

Functional Features

• High Precision: The SPP-4M125 offers precise voltage regulation, making it suitable for sensitive electronic applications.
• Low Dropout Voltage: It maintains a stable output voltage even when the input voltage is close to the output voltage.
• Thermal Shutdown Protection: The device includes built-in thermal shutdown protection to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation
• Compact and durable package
• Wide input voltage range

Disadvantages

• Limited maximum output current
• Higher quiescent current compared to some alternatives

Working Principles

The SPP-4M125 operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage. When the input voltage or load changes, the internal circuitry responds to ensure a stable output voltage.

Detailed Application Field Plans

The SPP-4M125 finds extensive use in various electronic applications, including: - Power supplies for consumer electronics - Battery charging circuits - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• LM317: A popular adjustable voltage regulator with similar characteristics.
• LM7805: Fixed 5V voltage regulator commonly used in electronic circuits.
• LT1083: High-current adjustable voltage regulator suitable for power supply applications.

In conclusion, the SPP-4M125 is a reliable and versatile integrated circuit that provides precise voltage regulation for a wide range of electronic devices and systems. Its unique characteristics and functional features make it a valuable component in the field of electronics.

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