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AP2138R-1.8TRG1
Product Overview
Category
AP2138R-1.8TRG1 belongs to the category of voltage regulators.
Use
This product is primarily used for regulating voltage in electronic circuits.
Characteristics
- Package: The AP2138R-1.8TRG1 comes in a small surface-mount package.
- Essence: It is a low-dropout linear regulator with a fixed output voltage of 1.8V.
- Packaging/Quantity: The product is typically packaged in reels and available in large quantities.
Specifications
The following are the specifications of AP2138R-1.8TRG1:
- Input Voltage Range: 2.5V to 6V
- Output Voltage: 1.8V
- Dropout Voltage: 200mV (typical)
- Maximum Output Current: 300mA
- Line Regulation: ±0.2% (typical)
- Load Regulation: ±0.4% (typical)
- Quiescent Current: 75µA (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The AP2138R-1.8TRG1 has the following pin configuration:
- VIN (Input Voltage)
- GND (Ground)
- VOUT (Output Voltage)
Functional Features
The functional features of AP2138R-1.8TRG1 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.
- Overcurrent protection: The regulator includes built-in protection against excessive current, safeguarding the circuitry.
- Thermal shutdown: In case of excessive temperature, the regulator shuts down to prevent damage.
Advantages and Disadvantages
Advantages
- Stable output voltage regulation.
- Low dropout voltage ensures efficient power conversion.
- Small package size allows for space-saving designs.
- Overcurrent protection enhances circuit reliability.
Disadvantages
- Limited maximum output current of 300mA.
- Fixed output voltage may not be suitable for all applications.
Working Principles
The AP2138R-1.8TRG1 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 device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
AP2138R-1.8TRG1 finds applications in various electronic devices, including but not limited to:
- Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the voltage regulation provided by this product.
- IoT devices: Internet of Things (IoT) devices often require stable voltage levels for reliable operation, making the AP2138R-1.8TRG1 suitable for such applications.
- Industrial equipment: The regulator can be used in industrial control systems, sensors, and other electronic components that require precise voltage regulation.
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to AP2138R-1.8TRG1 include:
- AP2112-1.8TRG1: A low-dropout linear regulator with a fixed output voltage of 1.8V.
- AP2204K-1.8TRG1: A low-power voltage regulator with a fixed output voltage of 1.8V.
- AP7361C-1.8TRG1: A high-accuracy voltage regulator with a fixed output voltage of 1.8V.
These alternative models can be considered based on specific application requirements and design constraints.
In conclusion, AP2138R-1.8TRG1 is a voltage regulator that provides stable voltage regulation for various electronic devices. Its low dropout voltage, small package size, and built-in protection features make it suitable for a range of applications. However, designers should consider the limited maximum output current and fixed output voltage when selecting this product.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AP2138R-1.8TRG1 en soluciones técnicas
1. What is the AP2138R-1.8TRG1?
The AP2138R-1.8TRG1 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 1.8V.
2. What are the typical applications of AP2138R-1.8TRG1?
The AP2138R-1.8TRG1 is commonly used in various technical solutions where a stable and regulated 1.8V power supply is required. It can be used in applications such as microcontrollers, sensors, digital circuits, and low-power devices.
3. What is the input voltage range for AP2138R-1.8TRG1?
The input voltage range for AP2138R-1.8TRG1 is typically between 2.5V and 6V.
4. What is the maximum output current of AP2138R-1.8TRG1?
The maximum output current of AP2138R-1.8TRG1 is typically 300mA.
5. Does AP2138R-1.8TRG1 require any external components for operation?
Yes, AP2138R-1.8TRG1 requires a few external components such as input and output capacitors for stability and filtering purposes. The datasheet provides recommended values and configurations for these components.
6. Is AP2138R-1.8TRG1 a low dropout regulator (LDO)?
Yes, AP2138R-1.8TRG1 is an LDO regulator, which means it can maintain a stable output voltage even when the input voltage is only slightly higher than the desired output voltage.
7. What is the operating temperature range for AP2138R-1.8TRG1?
The operating temperature range for AP2138R-1.8TRG1 is typically -40°C to +85°C.
8. Can AP2138R-1.8TRG1 handle short-circuit conditions?
AP2138R-1.8TRG1 has built-in protection features, including current limit and thermal shutdown, which help protect the IC from damage during short-circuit conditions.
9. Is AP2138R-1.8TRG1 available in different package options?
Yes, AP2138R-1.8TRG1 is available in various package options, such as SOT-23, SOT-89, and TO-252. The specific package option may vary depending on the manufacturer.
10. Where can I find more information about AP2138R-1.8TRG1?
You can find more detailed information about AP2138R-1.8TRG1 in its datasheet, which is usually available on the manufacturer's website. Additionally, you can refer to application notes or contact the manufacturer directly for any specific technical inquiries.