AP2121AK-3.0TRE1

Product Overview

Category

AP2121AK-3.0TRE1 belongs to the category of voltage regulators.

Use

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

Characteristics

• Package: The AP2121AK-3.0TRE1 comes in a compact SOT-23-5 package.
• Essence: It is a low dropout linear regulator with a fixed output voltage of 3.0V.
• Packaging/Quantity: The product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

The specifications of AP2121AK-3.0TRE1 are as follows:

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.0V (fixed)
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 150mA
• Quiescent Current: 50µA (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AP2121AK-3.0TRE1 has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. BYP (Bypass)
5. VOUT (Output Voltage)

Functional Features

The functional features of AP2121AK-3.0TRE1 include:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, conserving power.
• Thermal shutdown protection: The regulator includes built-in protection to prevent overheating and damage.
• Short-circuit protection: It has a current limit feature that protects the device from excessive current flow.

Advantages and Disadvantages

Advantages

• Compact package size allows for space-saving designs.
• Low dropout voltage ensures efficient voltage regulation.
• Wide input voltage range provides flexibility in various applications.
• Built-in protection features enhance reliability and durability.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Fixed output voltage may restrict its use in certain scenarios requiring adjustable voltages.

Working Principles

The AP2121AK-3.0TRE1 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across the device, regardless of changes in the input voltage or load conditions. This is achieved through the use of internal circuitry that adjusts the current flow to maintain the desired output voltage.

Detailed Application Field Plans

AP2121AK-3.0TRE1 finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the stable voltage supply provided by this regulator.
2. IoT devices: Internet of Things (IoT) devices often require low power consumption and reliable voltage regulation, making this regulator suitable for applications in smart home devices, sensors, and wireless communication modules.
3. Automotive electronics: With its wide operating temperature range and compact package, the regulator can be used in automotive applications like infotainment systems, lighting controls, and engine management systems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP2121AK-3.0TRE1 include:

1. LM1117-3.3: A popular 3.3V fixed voltage regulator with a TO-220 package.
2. MCP1700-3002E: Another 3.0V fixed voltage regulator available in a SOT-23 package.
3. LT1763-3.3: A high-performance 3.3V regulator with low dropout voltage and adjustable output voltage.

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

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