CDLL4473 Product Overview

Introduction

CDLL4473 is a crucial component in the field of electronic devices, serving a specific purpose within its category. This entry provides an in-depth overview of CDLL4473, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Electronic Component
• Use: Voltage Regulation
• Characteristics: High precision, low power consumption
• Package: SMD (Surface Mount Device)
• Essence: Regulating voltage for electronic circuits
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: 1A
• Operating Temperature Range: -40°C to 125°C
• Accuracy: ±1%

Detailed Pin Configuration

The CDLL4473 has a standard SOT-223 package with three pins: 1. Pin 1 (Input): Connects to the input voltage source. 2. Pin 2 (Ground): Connected to the ground reference. 3. Pin 3 (Output): Provides the regulated output voltage.

Functional Features

• Voltage Regulation: Maintains a stable output voltage despite variations in the input voltage.
• Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads.
• Thermal Shutdown: Prevents overheating by shutting down the device at high temperatures.

Advantages and Disadvantages

Advantages

• High precision regulation
• Low dropout voltage
• Compact SMD package
• Overcurrent protection

Disadvantages

• Limited output current capacity
• Sensitive to external EMI (Electromagnetic Interference)

Working Principles

CDLL4473 operates based on the principle of feedback control. It compares the output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

CDLL4473 finds extensive use in various applications, including: - Battery-powered devices - Portable electronic equipment - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Several alternative models offer similar functionality to CDLL4473, including: - LM317: Adjustable voltage regulator with higher output current capacity - LM1117: Fixed voltage regulator with lower dropout voltage - LT1086: High current adjustable voltage regulator

In conclusion, CDLL4473 plays a vital role in voltage regulation for electronic circuits, offering precise control and protection features. Its compact size and efficiency make it suitable for diverse applications, although users should consider its limitations when designing circuits with higher current requirements.

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