AP2129K-3.3TRG1

Product Overview

Category

AP2129K-3.3TRG1 belongs to the category of voltage regulators.

Use

This product is primarily used for voltage regulation in electronic circuits.

Characteristics

• Voltage regulation capability
• Low dropout voltage
• High output current
• Thermal shutdown protection
• Short-circuit protection

Package

AP2129K-3.3TRG1 is available in a compact SOT-23-5 package.

Essence

The essence of AP2129K-3.3TRG1 lies in its ability to provide stable and regulated voltage output in various electronic applications.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of AP2129K-3.3TRG1 units.

Specifications

• Input Voltage Range: 2.5V - 6V
• Output Voltage: 3.3V
• Output Current: Up to 300mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AP2129K-3.3TRG1 has five pins arranged as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. NC: No connection pin
5. VOUT: Output voltage pin

Functional Features

• Voltage Regulation: AP2129K-3.3TRG1 ensures a stable output voltage of 3.3V regardless of input voltage fluctuations.
• Low Dropout Voltage: The device maintains a low dropout voltage, minimizing power dissipation.
• High Output Current: With a maximum output current of 300mA, it can power a wide range of electronic components.
• Thermal Shutdown Protection: The regulator includes built-in thermal shutdown protection to prevent overheating.
• Short-Circuit Protection: AP2129K-3.3TRG1 safeguards against short-circuits, ensuring the safety of the circuit and connected devices.

Advantages and Disadvantages

Advantages

• Provides stable output voltage
• Low dropout voltage minimizes power dissipation
• High output current capability
• Built-in thermal shutdown and short-circuit protection enhance reliability

Disadvantages

• Limited output current compared to higher-rated regulators
• Requires external components for proper operation

Working Principles

AP2129K-3.3TRG1 operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. The device regulates the voltage by controlling the flow of current through its internal pass transistor.

Detailed Application Field Plans

AP2129K-3.3TRG1 finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP2129K-3.3TRG1 include: - LM1117-3.3 - MCP1700-3302E/TO - TS2937CP-3.3

These alternatives provide comparable voltage regulation capabilities and are available in different package options to suit specific design requirements.

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