LNK584GG-TL

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Overload protection - Short circuit protection

Package: SOT-223

Essence: LNK584GG-TL is a power management integrated circuit designed for efficient power conversion in various electronic devices.

Packaging/Quantity: The LNK584GG-TL is typically packaged in reels containing 2500 units.

Specifications

The LNK584GG-TL has the following specifications:

• Input Voltage Range: 85V to 265V AC
• Output Voltage: 5V DC
• Output Current: Up to 1A
• Efficiency: Up to 90%
• Operating Temperature Range: -40°C to +125°C
• Standby Power Consumption: Less than 100mW

Detailed Pin Configuration

The LNK584GG-TL features a 6-pin configuration as follows:

1. VCC: Power supply input pin.
2. GND: Ground reference pin.
3. FB: Feedback pin for regulating the output voltage.
4. EN/UVLO: Enable/Undervoltage Lockout pin.
5. BP/MODE: Burst Mode® operation or frequency modulation selection pin.
6. Drain: High-voltage power MOSFET drain connection.

Functional Features

The LNK584GG-TL offers the following functional features:

• Primary-side control eliminates the need for an optocoupler and secondary-side feedback components.
• Auto-restart protection feature ensures continuous operation even in the event of a fault condition.
• Frequency jittering reduces EMI emissions, complying with international standards.
• Built-in thermal shutdown protection prevents damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Compact size allows for space-saving designs. - Wide input voltage range enables compatibility with various power sources. - Overload and short circuit protection enhance device safety.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Requires external components for certain functionalities.

Working Principles

The LNK584GG-TL utilizes primary-side control to regulate the output voltage. It operates by sensing the feedback voltage through the FB pin and adjusting the duty cycle of the internal power switch accordingly. This control method eliminates the need for an optocoupler and simplifies the design.

The IC incorporates a frequency jittering technique to reduce electromagnetic interference (EMI) emissions, ensuring compliance with international standards. In the event of a fault condition, the auto-restart protection feature allows the device to resume operation automatically after the fault is cleared.

Detailed Application Field Plans

The LNK584GG-TL finds application in various electronic devices requiring efficient power conversion. Some potential application fields include:

1. Consumer Electronics:

   • Mobile chargers
   • Set-top boxes
   • LED lighting

2. Industrial Equipment:

   • Power supplies for industrial automation
   • Motor control systems

3. Home Appliances:

   • AC-DC adapters for household appliances
   • Energy-efficient power solutions for smart homes

4. Automotive Electronics:

   • On-board chargers for electric vehicles
   • LED headlights and taillights

Detailed and Complete Alternative Models

1. LNK586GG-TL

   • Similar specifications and features as LNK584GG-TL
   • Higher output current capability (up to 2A)

2. LNK583GG-TL

   • Similar specifications and features as LNK584GG-TL
   • Lower output current capability (up to 500mA)

3. LNK582GG-TL

   • Similar specifications and features as LNK584GG-TL
   • Lower output voltage (3.3V DC)

4. LNK581GG-TL

   • Similar specifications and features as LNK584GG-TL
   • Higher output voltage (12V DC)

These alternative models provide flexibility in choosing the appropriate power management IC based on specific application requirements.

In conclusion, the LNK584GG-TL is a power management integrated circuit that offers high efficiency, compact size, and various protection features. Its primary-side control and frequency jittering techniques contribute to its reliable performance. With applications spanning consumer electronics, industrial equipment, home appliances, and automotive electronics, the LNK584GG-TL provides an efficient power conversion solution. Additionally, alternative models with different specifications cater to diverse application needs.