S-817B33AMC-CWWT2G

Product Overview

Category

The S-817B33AMC-CWWT2G belongs to the category of voltage regulators.

Use

This product is commonly used for voltage regulation in various electronic devices and circuits.

Characteristics

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage: 3.3V
• Maximum Output Current: 50mA
• Low Quiescent Current: 1.0µA (typ.)
• Low Dropout Voltage: 160mV (typ.) at 10mA load
• High Ripple Rejection: 70dB (typ.) at 1kHz
• Built-in Overcurrent Protection
• Small Package Size: SOT-23-5

Package and Quantity

The S-817B33AMC-CWWT2G is available in a small SOT-23-5 package. It is typically sold in reels or tubes containing multiple units.

Essence

The essence of the S-817B33AMC-CWWT2G is its ability to regulate input voltage to a stable 3.3V output, with low quiescent current and dropout voltage.

Specifications

• Input Voltage Range: 1.8V to 6.0V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 50mA
• Quiescent Current: 1.0µA (typ.)
• Dropout Voltage: 160mV (typ.) at 10mA load
• Ripple Rejection: 70dB (typ.) at 1kHz
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The S-817B33AMC-CWWT2G has the following pin configuration:

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

Functional Features

• Voltage Regulation: The S-817B33AMC-CWWT2G regulates the input voltage to a stable 3.3V output, ensuring consistent power supply for connected devices.
• Low Quiescent Current: With a quiescent current of only 1.0µA, this voltage regulator minimizes power consumption when in standby or idle mode.
• Overcurrent Protection: The built-in overcurrent protection feature safeguards the circuit from excessive current, preventing damage to the regulator and connected components.
• High Ripple Rejection: The S-817B33AMC-CWWT2G exhibits high ripple rejection, reducing noise and interference in the output voltage.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low quiescent current ensures energy efficiency.
• Small package size enables space-saving designs.
• Built-in overcurrent protection enhances circuit reliability.
• High ripple rejection improves output voltage stability.

Disadvantages

• Limited output current capacity (up to 50mA).
• Dropout voltage may be relatively higher compared to other voltage regulators.

Working Principles

The S-817B33AMC-CWWT2G operates based on the principle of a linear voltage regulator. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, the desired output voltage is achieved.

Detailed Application Field Plans

The S-817B33AMC-CWWT2G finds applications in various electronic devices and circuits that require a stable 3.3V 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-817B33AMC-CWWT2G.
2. IoT (Internet of Things) devices: Connected devices in smart homes, industrial automation, and healthcare can utilize this voltage regulator for reliable power supply.
3. Embedded systems: Microcontrollers, sensors, and other embedded systems often require a stable voltage source, making the S-817B33AMC-CWWT2G suitable for these applications.

Detailed and Complete Alternative Models

1. S-817A33AMC-CWWT2G: Similar to the S-817B33AMC-CWWT2G, but with an output voltage of 3.3V ±1%.
2. S-817B33AMC-CBYT2G: Same specifications as the S-817B33AMC-CWWT2G, but available in a different package (SOT-89-5).
3. S-817B33AMC-CBXT