LDK130M33R

Product Overview

Category

LDK130M33R belongs to the category of voltage regulators.

Use

LDK130M33R is used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Package: LDK130M33R comes in a compact surface-mount package.
• Essence: It is an integrated circuit that provides a fixed output voltage.
• Packaging/Quantity: The LDK130M33R is typically packaged in reels or tubes, with varying quantities depending on the supplier.

Specifications

The specifications for LDK130M33R are as follows:

• Input Voltage Range: 4.5V to 15V
• Output Voltage: 3.3V
• Output Current: Up to 300mA
• Dropout Voltage: 0.2V (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The pin configuration of LDK130M33R is as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. BYP: Bypass capacitor pin

Functional Features

• Low dropout voltage: LDK130M33R has a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal current when there is no load, reducing power consumption.
• Short-circuit protection: LDK130M33R includes built-in short-circuit protection to prevent damage to the device and connected components.
• Thermal shutdown: In case of excessive temperature, the regulator shuts down to protect itself from overheating.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• Low dropout voltage ensures efficient regulation.
• Built-in short-circuit protection enhances reliability.

Disadvantages

• Limited output current capacity (up to 300mA).
• Not suitable for high-power applications.

Working Principles

LDK130M33R operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

LDK130M33R finds applications in various electronic devices, including but not limited to: - Battery-powered devices - IoT modules - Portable audio players - Wearable devices - Embedded systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to LDK130M33R are: - LM1117-3.3: A popular fixed-output voltage regulator with similar specifications. - MCP1700-3302E: Another low dropout voltage regulator with a 3.3V output.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

In conclusion, LDK130M33R is a voltage regulator that provides stable and regulated output voltage for various electronic applications. Its compact size, low dropout voltage, and built-in protection features make it a reliable choice for low-power devices. However, its limited output current capacity may restrict its use in high-power applications.