S-817B12AY-Z2-U

Product Overview

Category

S-817B12AY-Z2-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: 1.2V
• Output Current: 50mA
• Low Quiescent Current: 1.0µA (typ.)
• Low Dropout Voltage: 160mV (typ.)
• Built-in Overcurrent Protection
• Built-in Thermal Shutdown Circuitry
• Small Package Size: SOT-23-5

Package and Quantity

The S-817B12AY-Z2-U comes in a small SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage: 1.2V
• Output Current: 50mA
• Quiescent Current: 1.0µA (typ.)
• Dropout Voltage: 160mV (typ.)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The S-817B12AY-Z2-U has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)
4. NC (No Connection)
5. EN (Enable)

Functional Features

• Voltage Regulation: The S-817B12AY-Z2-U provides stable output voltage regulation, ensuring reliable performance of connected electronic circuits.
• Overcurrent Protection: This voltage regulator includes built-in overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Circuitry: The product is equipped with thermal shutdown circuitry, which protects against overheating and potential damage.
• Low Quiescent Current: With a low quiescent current of 1.0µA, the S-817B12AY-Z2-U minimizes power consumption when in standby mode.
• Low Dropout Voltage: The voltage regulator exhibits a low dropout voltage of 160mV, enabling efficient power conversion.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Small package size makes it suitable for space-constrained designs.
• Built-in overcurrent protection enhances circuit safety.
• Thermal shutdown circuitry prevents overheating.

Disadvantages

• Limited output current capacity (50mA) may not be sufficient for high-power applications.
• Dropout voltage of 160mV may result in some power loss.

Working Principles

The S-817B12AY-Z2-U operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to maintain a constant output voltage of 1.2V, regardless of variations in the input voltage. The internal circuitry adjusts the output voltage by controlling the pass transistor, ensuring stable and regulated power supply to connected devices.

Detailed Application Field Plans

The S-817B12AY-Z2-U finds application in various electronic systems that require precise voltage regulation. Some potential fields of application include:

1. Battery-powered devices: This voltage regulator can be used in portable electronics such as smartphones, tablets, and wearable devices to ensure consistent power supply from the battery.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require stable power sources. The S-817B12AY-Z2-U can be employed in IoT sensors, smart home devices, and other connected gadgets.
3. Industrial control systems: The product can be utilized in industrial control systems, providing reliable voltage regulation for microcontrollers, sensors, and other components.
4. Automotive electronics: In automotive applications, the S-817B12AY-Z2-U can be employed to regulate voltage for various electronic modules, ensuring proper functioning of systems such as infotainment, lighting, and engine control.

Detailed and Complete Alternative Models

1. S-817A12ANB-CUJTFG
2. XC6206P122MR-G
3. LP2985AIM5X-1.2/NOPB
4. MCP1700T-1202E/TT
5. AP2112K-1.2TRG1

These alternative models offer similar voltage regulation capabilities and can be considered as substitutes for the S-817B12AY-Z2-U in various applications.

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