AP2121AK-3.3TRG1

Product Overview

Category

The AP2121AK-3.3TRG1 belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and constant output voltage.

Characteristics

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 40μA
• Low Noise
• Thermal Shutdown Protection

Package

The AP2121AK-3.3TRG1 is available in a small form factor SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

It is typically supplied in tape and reel packaging with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 3.3V ±2%
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 40μA
• Operating Temperature Range: -40°C to 85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The AP2121AK-3.3TRG1 has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. VOUT (Output Voltage) 5. EN (Enable)

Functional Features

• Low Dropout Voltage: Ensures efficient regulation even when the input voltage is only slightly higher than the output voltage.
• Low Quiescent Current: Minimizes power consumption in standby or idle modes.
• Thermal Shutdown Protection: Safeguards the regulator from overheating, enhancing reliability.

Advantages and Disadvantages

Advantages

• Small form factor
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection

Disadvantages

• Limited maximum output current (150mA)

Working Principles

The AP2121AK-3.3TRG1 operates by comparing the actual output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The AP2121AK-3.3TRG1 is well-suited for various battery-powered applications, portable devices, IoT devices, and other electronics requiring a stable 3.3V power supply. It can be used in voltage regulation for microcontrollers, sensors, and low-power wireless communication modules.

Detailed and Complete Alternative Models

Some alternative models to the AP2121AK-3.3TRG1 include the LM1117, MCP1700, and XC6206. These alternatives offer similar voltage regulation capabilities and are available in different package types to suit specific application requirements.

In conclusion, the AP2121AK-3.3TRG1 is a versatile voltage regulator with a compact design and efficient performance, making it an ideal choice for a wide range of electronic applications.

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