S-817B15AY-B2-U

Product Overview

Category

The S-817B15AY-B2-U belongs to the category of voltage regulators.

Use

This product is primarily used for voltage regulation in electronic circuits.

Characteristics

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage: 1.5V
• Maximum Output Current: 50mA
• Low Dropout Voltage: 160mV (typical)
• Low Quiescent Current: 1µA (typical)
• Built-in Overcurrent Protection
• Small Package Size: SOT-23-5

Package and Quantity

The S-817B15AY-B2-U is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage: 1.5V
• Output Current: Up to 50mA
• Dropout Voltage: 160mV (typical)
• Quiescent Current: 1µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Overcurrent Protection: Built-in

Pin Configuration

The S-817B15AY-B2-U has the following pin configuration:

```

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| | --| Vout| --|____| | | --| GND | --|____| | | --| Vin | --|____| ```

Functional Features

• Voltage Regulation: The S-817B15AY-B2-U provides a stable output voltage of 1.5V, regardless of input voltage fluctuations.
• Low Dropout Voltage: With a dropout voltage as low as 160mV, this regulator can operate efficiently even with low input voltages.
• Low Quiescent Current: The quiescent current of only 1µA ensures minimal power consumption when the load is light.
• Overcurrent Protection: The built-in overcurrent protection feature safeguards the circuit from excessive current.

Advantages

• Wide Input Voltage Range: The S-817B15AY-B2-U can accept input voltages ranging from 1.8V to 6.0V, making it suitable for various applications.
• Small Package Size: The SOT-23-5 package allows for space-saving and easy integration into compact electronic devices.
• Low Power Consumption: With a quiescent current of only 1µA, this regulator minimizes power wastage in standby or low-load conditions.

Disadvantages

• Limited Output Current: The maximum output current of 50mA may not be sufficient for high-power applications.
• Fixed Output Voltage: The S-817B15AY-B2-U provides a fixed output voltage of 1.5V, which may not be adjustable for certain applications.

Working Principles

The S-817B15AY-B2-U utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. It compares the feedback voltage with the reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The S-817B15AY-B2-U is commonly used in various battery-powered devices, such as portable electronics, IoT devices, and wearable technology. It is also suitable for applications requiring low power consumption and stable voltage supply.

Alternative Models

• S-817B15AN-B2-TG
• S-817B15AU-B2-TG
• S-817B15AY-B2-T2

These alternative models offer similar specifications and functionality to the S-817B15AY-B2-U.

In conclusion, the S-817B15AY-B2-U is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It provides stable output voltage and includes overcurrent protection. While it has limitations in terms of output current and fixed output voltage, it offers advantages such as a small package size and low power consumption. This regulator finds applications in battery-powered devices and other low-power electronic systems. Alternative models are available for similar requirements.