SI7983DP-T1-GE3

Introduction

The SI7983DP-T1-GE3 is a power management product belonging to the category of voltage regulators. This device is commonly used in various electronic applications to regulate and control voltage levels, ensuring stable and reliable power supply to connected components.

Basic Information Overview

• Category: Voltage Regulator
• Use: Regulating and controlling voltage levels in electronic circuits
• Characteristics: High efficiency, low dropout voltage, thermal shutdown protection
• Package: DFN-8 (2x2)
• Essence: Ensuring stable and reliable power supply
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

The SI7983DP-T1-GE3 features the following specifications: - Input Voltage Range: 2.5V to 5.5V - Output Voltage Range: 0.8V to 5V - Maximum Output Current: 1A - Dropout Voltage: 200mV at 500mA - Quiescent Current: 75µA - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The SI7983DP-T1-GE3 has a DFN-8 package with the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. EN (Enable) 4. NC (No Connection) 5. FB (Feedback) 6. NC (No Connection) 7. VOUT (Output Voltage) 8. PG (Power Good)

Functional Features

• High Efficiency: The SI7983DP-T1-GE3 offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 200mV at 500mA, this regulator ensures efficient power delivery even with small input-output differentials.
• Thermal Shutdown Protection: The device incorporates thermal shutdown protection, safeguarding it from overheating and potential damage.

Advantages and Disadvantages

Advantages

• Efficient voltage regulation
• Low dropout voltage
• Thermal shutdown protection for enhanced reliability

Disadvantages

• Limited maximum output current (1A)

Working Principles

The SI7983DP-T1-GE3 operates by comparing the feedback voltage with a reference voltage to generate an error signal. This error signal is then used to adjust the output voltage, ensuring it remains within the specified range. The enable pin allows for control of the regulator's operation, providing flexibility in power management.

Detailed Application Field Plans

The SI7983DP-T1-GE3 is well-suited for a wide range of applications, including: - Portable electronic devices - Battery-powered systems - IoT (Internet of Things) devices - Consumer electronics - Industrial automation

Detailed and Complete Alternative Models

For applications requiring alternative voltage regulators, the following models can be considered: - LM1117-3.3: A popular linear voltage regulator with a fixed 3.3V output and higher maximum output current. - TPS7A47: An ultra-low-dropout linear regulator suitable for demanding applications with stringent voltage requirements.

In conclusion, the SI7983DP-T1-GE3 is a versatile voltage regulator offering high efficiency, low dropout voltage, and thermal shutdown protection. Its compact package and functional features make it an ideal choice for various electronic applications, especially those requiring stable and reliable power supply.

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