LNK613DG-TL

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low power consumption - High efficiency - Compact size - Wide input voltage range - Over-temperature protection - Over-voltage protection - Under-voltage lockout

Package: DFN-8 (Dual Flat No-Lead)

Essence: LNK613DG-TL is a power management IC designed for efficient energy conversion and regulation in various electronic devices.

Packaging/Quantity: The LNK613DG-TL is typically sold in reels containing 3000 units per reel.

Specifications

The LNK613DG-TL has the following specifications:

• Input Voltage Range: 85V AC to 265V AC
• Output Voltage: 5V DC
• Output Current: 1.2A
• Switching Frequency: 132 kHz
• Operating Temperature Range: -40°C to +150°C

Detailed Pin Configuration

The LNK613DG-TL features the following pin configuration:

1. VDD: Power supply input
2. BP/M: Bypass/Multiplier pin
3. FB: Feedback pin
4. GND: Ground
5. D: Drain pin
6. S: Source pin
7. NC: No connection
8. EN/UVLO: Enable/Undervoltage Lockout pin

Functional Features

The LNK613DG-TL offers the following functional features:

• Primary-side control eliminates the need for an optocoupler or secondary-side feedback circuitry.
• Auto-restart protection feature ensures continuous operation even in the event of a fault condition.
• Frequency jittering reduces EMI emissions, enabling compliance with international standards.
• Advanced line under-voltage compensation maintains constant output voltage during brownout conditions.
• Accurate output voltage regulation provides stable power supply to the connected device.

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. - Over-temperature and over-voltage protection enhance system reliability. - Under-voltage lockout prevents damage to the IC during low voltage conditions.

Disadvantages: - Limited output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The LNK613DG-TL utilizes primary-side control technology to regulate the output voltage. It operates by modulating the duty cycle of the internal power switch based on the feedback received from the secondary side. This approach eliminates the need for an optocoupler or secondary-side feedback circuitry, reducing component count and cost.

The IC incorporates various protection features such as over-temperature and over-voltage protection, ensuring safe operation under abnormal conditions. The auto-restart protection feature allows the IC to automatically recover from faults, enhancing system reliability.

Detailed Application Field Plans

The LNK613DG-TL is commonly used in the following applications:

1. Power adapters
2. LED lighting
3. Home appliances
4. Industrial equipment
5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LNK613DG-TL include:

1. LNK616DG-TL
2. LNK617DG-TL
3. LNK618DG-TL
4. LNK619DG-TL
5. LNK620DG-TL

These alternative models can be considered based on specific requirements and design constraints.

In conclusion, the LNK613DG-TL is a versatile power management IC that offers high efficiency, compact size, and various protection features. Its primary-side control technology and wide input voltage range make it suitable for a wide range of applications. However, designers should consider alternative models based on their specific needs.