LDK120PU33R

Product Overview

Category

The LDK120PU33R belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage levels in electronic circuits.

Characteristics

• The LDK120PU33R is a low-dropout (LDO) voltage regulator.
• It operates with an input voltage range of 2.5V to 6V.
• The output voltage can be adjusted from 1.2V to 3.3V.
• It has a maximum output current of 200mA.
• The regulator offers excellent line and load regulation.
• It features low quiescent current, making it suitable for battery-powered applications.
• The device provides thermal shutdown protection.

Package

The LDK120PU33R comes in a small surface-mount package, which facilitates easy integration into compact electronic designs.

Essence

The essence of the LDK120PU33R lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The LDK120PU33R is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage Range: 1.2V - 3.3V
• Maximum Output Current: 200mA
• Dropout Voltage: 200mV (typical)
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LDK120PU33R has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents the device from overheating, ensuring its longevity.
• Low quiescent current makes it suitable for battery-powered applications, extending battery life.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Adjustable output voltage provides flexibility for different application requirements.
• Small package size enables easy integration into space-constrained designs.
• Excellent line and load regulation ensure stable performance.
• Thermal shutdown protection enhances reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage of 200mV may impact efficiency in certain scenarios.

Working Principles

The LDK120PU33R utilizes a feedback mechanism to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage within the specified range. The device continuously monitors the input and output voltages to ensure stability and compensate for any variations.

Detailed Application Field Plans

The LDK120PU33R finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices - Communication equipment - Industrial control systems

Detailed and Complete Alternative Models

1. LDK120PU50R: Similar to LDK120PU33R, but with an adjustable output voltage range of 1.2V to 5V.
2. LDK120PU25R: Similar to LDK120PU33R, but with an adjustable output voltage range of 1.2V to 2.5V.
3. LDK120PU18R: Similar to LDK120PU33R, but with an adjustable output voltage range of 1.2V to 1.8V.

These alternative models provide similar functionality and characteristics, allowing users to choose the appropriate voltage regulator based on their specific requirements.

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