AP7315-185FS4-7B

Product Overview

Category

AP7315-185FS4-7B belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The AP7315-185FS4-7B provides precise voltage regulation, ensuring a stable power supply for connected devices.
• Low dropout voltage: It has a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the output voltage.
• Low quiescent current: The device consumes minimal current when in standby mode, reducing power consumption.
• Thermal shutdown protection: It incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Short-circuit protection: The AP7315-185FS4-7B includes short-circuit protection to safeguard against potential circuit failures.

Package and Quantity

The AP7315-185FS4-7B is available in a small surface-mount package. It is typically sold in reels or trays containing a specified quantity of units.

Specifications

• Input voltage range: 2.5V - 6.0V
• Output voltage: 1.85V
• Maximum output current: 150mA
• Dropout voltage: 200mV (typical)
• Quiescent current: 50µA (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

The AP7315-185FS4-7B has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• VOUT: Output voltage pin
• EN: Enable pin (used to control the regulator's operation)

Functional Features

• Voltage regulation: The AP7315-185FS4-7B maintains a constant output voltage regardless of input voltage fluctuations.
• Low dropout voltage: It can operate with a minimal voltage difference between the input and output, maximizing efficiency.
• Enable pin: The EN pin allows for easy on/off control of the regulator.
• Thermal shutdown protection: The device automatically shuts down if the temperature exceeds a safe threshold, preventing damage.
• Short-circuit protection: It safeguards against short circuits, protecting both the regulator and the connected circuitry.

Advantages and Disadvantages

Advantages: - Precise voltage regulation ensures stable power supply. - Low dropout voltage improves efficiency. - Low quiescent current reduces power consumption. - Thermal shutdown and short-circuit protection enhance reliability.

Disadvantages: - Limited maximum output current (150mA). - Restricted input voltage range (2.5V - 6.0V).

Working Principles

The AP7315-185FS4-7B utilizes a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry accordingly. By continuously monitoring and adjusting, it compensates for any variations in the input voltage, ensuring a stable output.

Application Field Plans

The AP7315-185FS4-7B finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wearable devices - IoT devices

Alternative Models

1. AP7315-185FS4-7C: Similar specifications, but with an adjustable output voltage.
2. AP7315-200FS4-7B: Higher output voltage (2.0V) with similar characteristics.
3. AP7315-150FS4-7B: Lower output voltage (1.5V) with similar characteristics.

These alternative models provide flexibility to meet different voltage requirements while maintaining similar features and characteristics.

In conclusion, the AP7315-185FS4-7B is a voltage regulator that offers precise voltage regulation, low dropout voltage, and various protection mechanisms. It finds applications in numerous electronic devices and has alternative models available for different voltage needs.