LDK220M27R

Product Overview

Category

LDK220M27R belongs to the category of electronic components.

Use

This product is commonly used in electronic circuits for voltage regulation and power management purposes.

Characteristics

• LDK220M27R is a voltage regulator with a fixed output voltage of 2.7V.
• It provides stable and reliable voltage regulation for various electronic devices.
• The package type for this component is TO-252, also known as DPAK (Discrete Package).
• LDK220M27R is designed to handle a maximum current of 2.2A.
• It has low dropout voltage, ensuring efficient power conversion.

Package and Quantity

The LDK220M27R is typically sold in reels or tubes, containing a specific quantity of components per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Output Voltage: 2.7V
• Maximum Output Current: 2.2A
• Dropout Voltage: Low
• Package Type: TO-252 (DPAK)
• Operating Temperature Range: -40°C to +125°C
• Input Voltage Range: 4.5V to 20V
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%

Pin Configuration

The LDK220M27R has three pins:

1. VIN (Input Voltage): This pin is used to connect the input voltage source.
2. VOUT (Output Voltage): This pin provides the regulated output voltage of 2.7V.
3. GND (Ground): This pin is connected to the ground reference of the circuit.

Functional Features

• Voltage Regulation: LDK220M27R ensures a stable output voltage of 2.7V, regardless of input voltage fluctuations.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard the connected circuitry.
• Thermal Shutdown: The component includes a thermal shutdown feature that activates when the temperature exceeds a certain threshold, preventing damage due to overheating.
• Fast Transient Response: LDK220M27R quickly responds to changes in load conditions, maintaining a stable output voltage.

Advantages and Disadvantages

Advantages

• High stability and accuracy in voltage regulation.
• Low dropout voltage ensures efficient power conversion.
• Overcurrent protection enhances circuit safety.
• Thermal shutdown prevents damage from excessive heat.
• Fast transient response for dynamic load conditions.

Disadvantages

• Limited output current capacity of 2.2A.
• Fixed output voltage may not be suitable for all applications requiring variable voltages.

Working Principles

The LDK220M27R utilizes a combination of internal circuitry, including a voltage reference, error amplifier, and pass transistor, to regulate the output voltage. It compares the feedback voltage with the reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage of 2.7V.

Detailed Application Field Plans

The LDK220M27R is widely used in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable electronics - Embedded systems - Communication equipment - Industrial control systems

Detailed and Complete Alternative Models

• LDK220M25R: Similar to LDK220M27R, but with an output voltage of 2.5V.
• LDK220M30R: Similar to LDK220M27R, but with an output voltage of 3.0V.
• LDK220M33R: Similar to LDK220M27R, but with an output voltage of 3.3V.
• LDK220M50R: Similar to LDK220M27R, but with an output voltage of 5.0V.

These alternative models provide different fixed output voltages to cater to various application requirements.

In conclusion, the LDK220M27R is an electronic component that serves as a voltage regulator with a fixed output voltage of 2.7V. It offers stable and reliable voltage regulation, low dropout voltage, and various protection features. While it has limitations in terms of output current capacity and fixed voltage, it finds extensive use in battery-powered devices, portable electronics, and other applications requiring regulated power supply. Alternative models with different output voltages are available to suit specific needs.