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AP7343-25FS4-7B
Product Overview
Category
AP7343-25FS4-7B belongs to the category of voltage regulators.
Use
This product is used to regulate and stabilize voltage levels in electronic circuits.
Characteristics
- Input Voltage Range: 2.5V to 5.5V
- Output Voltage: 1.8V
- Maximum Output Current: 300mA
- Dropout Voltage: 200mV
- Low Quiescent Current: 45µA
- Low Shutdown Current: 0.1µA
- Operating Temperature Range: -40°C to +85°C
Package
The AP7343-25FS4-7B comes in a small SOT-23-5 package.
Essence
The essence of this product lies in its ability to provide a stable output voltage despite variations in the input voltage.
Packaging/Quantity
The AP7343-25FS4-7B is typically packaged in reels containing 3000 units.
Specifications
- Input Voltage Range: 2.5V to 5.5V
- Output Voltage: 1.8V ±2%
- Maximum Output Current: 300mA
- Dropout Voltage: 200mV at 100mA
- Quiescent Current: 45µA
- Shutdown Current: 0.1µA
- Line Regulation: 0.05%/V
- Load Regulation: 0.1%/mA
- Ripple Rejection Ratio: 70dB at 1kHz
- Thermal Shutdown Protection: Yes
- Short Circuit Protection: Yes
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
The AP7343-25FS4-7B has five pins arranged as follows:
```
| | --| |-- |____| ```
Pin 1: Input Voltage (VIN) Pin 2: Ground (GND) Pin 3: Enable (EN) Pin 4: Output Voltage (VOUT) Pin 5: Bypass Capacitor (BYP)
Functional Features
- Low dropout voltage ensures efficient regulation even with low input voltages.
- Low quiescent current minimizes power consumption during standby or idle periods.
- Thermal shutdown protection prevents overheating and damage to the device.
- Short circuit protection safeguards against excessive current flow.
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications.
- Small package size enables space-saving designs.
- Low quiescent current prolongs battery life in portable devices.
- Excellent line and load regulation ensure stable output voltage.
Disadvantages
- Limited maximum output current may restrict usage in high-power applications.
- Dropout voltage of 200mV may cause a slight voltage drop across the regulator.
Working Principles
The AP7343-25FS4-7B is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The dropout voltage is minimized by using a low-resistance pass transistor.
Detailed Application Field Plans
The AP7343-25FS4-7B finds applications in various electronic devices, including but not limited to: - Battery-powered devices - Portable audio players - Wearable devices - IoT modules - Embedded systems
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the AP7343-25FS4-7B are: - LM1117-1.8 - MCP1700-1802E/TO - TPS78218DDCR - LP2985-18DBVR
These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AP7343-25FS4-7B en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AP7343-25FS4-7B in technical solutions:
Q: What is AP7343-25FS4-7B? A: AP7343-25FS4-7B is a specific model of voltage regulator IC (integrated circuit) used for power management in electronic devices.
Q: What is the input voltage range of AP7343-25FS4-7B? A: The input voltage range of AP7343-25FS4-7B is typically between 2.5V and 5.5V.
Q: What is the output voltage of AP7343-25FS4-7B? A: AP7343-25FS4-7B provides a fixed output voltage of 2.5V.
Q: What is the maximum output current of AP7343-25FS4-7B? A: The maximum output current of AP7343-25FS4-7B is typically 300mA.
Q: Can AP7343-25FS4-7B be used in battery-powered applications? A: Yes, AP7343-25FS4-7B can be used in battery-powered applications as it operates within a wide input voltage range.
Q: Is AP7343-25FS4-7B suitable for low-power devices? A: Yes, AP7343-25FS4-7B is suitable for low-power devices due to its low quiescent current and efficient power conversion.
Q: Does AP7343-25FS4-7B have built-in protection features? A: Yes, AP7343-25FS4-7B includes built-in protection features such as thermal shutdown and current limit protection.
Q: Can AP7343-25FS4-7B be used in automotive applications? A: Yes, AP7343-25FS4-7B is suitable for automotive applications as it can handle the required voltage range and has a wide operating temperature range.
Q: What package does AP7343-25FS4-7B come in? A: AP7343-25FS4-7B comes in an SOT-23-5 package.
Q: Are there any application notes or reference designs available for AP7343-25FS4-7B? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of AP7343-25FS4-7B in various technical solutions.
Please note that the specific details mentioned above may vary depending on the manufacturer's specifications and datasheet of AP7343-25FS4-7B.