SI7661CSA+T

Product Overview

Category

SI7661CSA+T belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a voltage regulator in various electronic devices.

Characteristics

• Voltage regulation capability
• Low dropout voltage
• High accuracy
• Thermal shutdown protection
• Short-circuit current limiting

Package

SI7661CSA+T is available in a small outline package (SOIC) with 8 pins.

Essence

The essence of SI7661CSA+T lies in its ability to regulate voltage efficiently and accurately.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 100mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

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

Functional Features

• Voltage regulation: SI7661CSA+T ensures a stable output voltage regardless of input variations.
• Low dropout voltage: It operates with minimal voltage drop across the regulator.
• Thermal shutdown protection: The device automatically shuts down when the temperature exceeds a certain threshold, preventing damage.
• Short-circuit current limiting: It limits the current in case of a short circuit, protecting the circuitry.

Advantages and Disadvantages

Advantages

• High accuracy in voltage regulation
• Low dropout voltage ensures efficient power usage
• Thermal shutdown protection prevents overheating
• Short-circuit current limiting protects the circuitry

Disadvantages

• Limited output current capacity (up to 500mA)
• Restricted input voltage range (2.7V to 5.5V)

Working Principles

SI7661CSA+T operates as a linear voltage regulator. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The feedback pin (FB) plays a crucial role in this process by providing the necessary information for regulation.

Detailed Application Field Plans

SI7661CSA+T finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SI7661CSA+T are: - LM317 - LT1083 - LM7805 - LM1117

These models offer similar functionality and can be used as substitutes depending on specific requirements.

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