47L16-I/WF16K

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: Low power consumption, high efficiency
• Package: 16-pin DIP (Dual In-line Package)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 1.2V to 18V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.3V at 1A
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• Low dropout voltage for efficient power conversion
• Wide input voltage range for versatile applications
• Built-in thermal shutdown protection
• Short-circuit and overcurrent protection
• Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - High efficiency - Low power consumption - Compact package size - Wide operating temperature range

Disadvantages: - Limited output current capacity - Requires external components for precise voltage regulation

Working Principles

The 47L16-I/WF16K is a voltage regulator IC that provides a stable output voltage regardless of variations in the input voltage. It utilizes a feedback mechanism to adjust the internal circuitry and maintain the desired output voltage. The IC operates by comparing the feedback voltage with a reference voltage and adjusting the internal pass transistor accordingly. This ensures a constant output voltage even when the input voltage fluctuates.

Detailed Application Field Plans

The 47L16-I/WF16K is commonly used in various electronic devices and systems that require stable power supply voltages. Some of its application fields include:

1. Consumer Electronics: Used in smartphones, tablets, and portable media players to regulate the voltage for different components.
2. Automotive: Employed in automotive electronics for voltage regulation in infotainment systems, lighting modules, and engine control units.
3. Industrial Automation: Integrated into industrial control systems, PLCs (Programmable Logic Controllers), and motor drives to ensure reliable power supply.
4. Telecommunications: Utilized in networking equipment, routers, and switches to maintain consistent voltage levels.
5. Medical Devices: Incorporated in medical instruments and equipment for precise voltage control in critical applications.

Detailed and Complete Alternative Models

1. LM317: A popular linear voltage regulator with adjustable output voltage and high current capability.
2. LT1084: A low dropout voltage regulator with high accuracy and thermal shutdown protection.
3. TPS5430: A synchronous buck converter with integrated MOSFETs for high efficiency and compact design.
4. LM2596: A step-down switching regulator with adjustable output voltage and wide input voltage range.

These alternative models offer similar functionality and can be considered as substitutes for the 47L16-I/WF16K depending on specific requirements.

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