AP2126K-ADJTRG1

Product Overview

Category

AP2126K-ADJTRG1 belongs to the category of adjustable voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Adjustable output voltage
• High efficiency
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection

Package

AP2126K-ADJTRG1 is available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, ensuring reliable operation of electronic circuits.

Packaging/Quantity

AP2126K-ADJTRG1 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 0.8V to VIN
• Output Current: Up to 600mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 60µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AP2126K-ADJTRG1 has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for adjusting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. VOUT: Output voltage pin

Functional Features

• Adjustable output voltage allows flexibility in various applications.
• High efficiency ensures minimal power loss during voltage regulation.
• Low dropout voltage enables operation even when input voltage is close to the desired output voltage.
• Overcurrent protection safeguards the regulator and connected components from excessive current.
• Thermal shutdown protection prevents overheating and potential damage to the device.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with different power sources.
• Adjustable output voltage provides versatility for various circuit requirements.
• High efficiency reduces power consumption and heat dissipation.
• Overcurrent and thermal protection enhance reliability and safety.

Disadvantages

• Limited output current may not be suitable for high-power applications.
• Dropout voltage may affect performance in low-input voltage scenarios.

Working Principles

AP2126K-ADJTRG1 utilizes a feedback mechanism to regulate the output voltage. The feedback pin (FB) is connected to a resistive divider network, which sets the desired output voltage. The regulator compares the feedback voltage with an internal reference voltage and adjusts the output accordingly. By continuously monitoring and adjusting the output, the regulator maintains a stable voltage level.

Detailed Application Field Plans

AP2126K-ADJTRG1 finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable consumer electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AP2126K-ADJTRG1 include: - LM317: Adjustable voltage regulator with higher output current capability. - LT1084: Adjustable voltage regulator with lower dropout voltage. - LM1117: Fixed voltage regulator with various output voltage options.

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

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