S-817A40ANB-CVDT2U

Product Overview

Category

S-817A40ANB-CVDT2U belongs to the category of voltage regulators.

Use

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

Characteristics

• Input voltage range: 2.0V to 6.0V
• Output voltage: 4.0V
• Maximum output current: 150mA
• Low quiescent current: 1.0µA (typ.)
• High ripple rejection ratio: 70dB (typ.)
• Low dropout voltage: 160mV (typ.)
• Built-in overcurrent protection circuit
• Small package size: SOT-23-5

Package and Quantity

The S-817A40ANB-CVDT2U comes in a SOT-23-5 package. It is typically sold in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.0V to 6.0V
• Output Voltage: 4.0V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 160mV (typ.)
• Quiescent Current: 1.0µA (typ.)
• Ripple Rejection Ratio: 70dB (typ.)
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Pin Configuration

The S-817A40ANB-CVDT2U has the following pin configuration:

```

---

| | --|----|-- |____| ```

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

Functional Features

• Voltage regulation: The S-817A40ANB-CVDT2U provides a stable output voltage of 4.0V, regardless of input voltage fluctuations.
• Low quiescent current: With a quiescent current of only 1.0µA, this voltage regulator minimizes power consumption in standby or low-load conditions.
• Overcurrent protection: The built-in overcurrent protection circuit safeguards the device and the connected circuitry from excessive current flow.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• High ripple rejection ratio ensures a clean and stable output voltage.
• Small package size enables space-saving designs.
• Low dropout voltage minimizes power dissipation.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• No adjustable output voltage option available.

Working Principles

The S-817A40ANB-CVDT2U is a fixed-output voltage regulator that utilizes a voltage reference, error amplifier, and pass transistor to maintain a constant output voltage. It operates by comparing the feedback voltage with the reference voltage and adjusting the pass transistor accordingly to regulate the output voltage.

Detailed Application Field Plans

The S-817A40ANB-CVDT2U can be used in various electronic devices and circuits that require a stable 4.0V power supply. Some potential application fields include:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices can benefit from the voltage regulation provided by the S-817A40ANB-CVDT2U.
2. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require stable power sources. This voltage regulator can ensure reliable operation in IoT applications.
3. Industrial control systems: The S-817A40ANB-CVDT2U can be used in industrial control systems that require precise and stable voltage regulation for sensors, actuators, and other components.

Detailed and Complete Alternative Models

1. S-817A33ANB-CVDT2U: This model provides a fixed output voltage of 3.3V with similar characteristics and package options.
2. S-817A50ANB-CVDT2U: With a fixed output voltage of 5.0V, this alternative model offers compatibility with applications requiring a different voltage level.

These alternative models provide similar functionality and characteristics to the S-817A40ANB-CVDT2U, allowing flexibility in choosing the appropriate voltage regulator for specific requirements.

In conclusion, the S-817A40ANB-CVDT2U is a voltage regulator that offers stable 4.0V output voltage, low quiescent current, and overcurrent protection. Its small package size and wide input voltage range make it suitable for various electronic applications. However, its limited maximum output current and lack of adjustable output voltage may restrict its use in