SS3P3HE3/85A

Product Category: Integrated Circuit

Basic Information Overview: - Category: Voltage Regulator - Use: Regulating voltage in electronic circuits - Characteristics: High efficiency, low dropout voltage, thermal shutdown protection - Package: TO-220, TO-263, D2PAK - Essence: Provides stable output voltage regardless of input voltage fluctuations - Packaging/Quantity: Typically sold in reels of 250 or 300 units

Specifications: - Input Voltage Range: 4.5V to 28V - Output Voltage Range: 1.25V to 20V - Dropout Voltage: 0.45V at 3A - Quiescent Current: 75µA - Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration: - Pin 1: Input Voltage (VIN) - Pin 2: Ground (GND) - Pin 3: Output Voltage (VOUT)

Functional Features: - High Efficiency: Minimizes power dissipation and heat generation - Thermal Shutdown Protection: Prevents damage due to excessive temperature - Low Dropout Voltage: Allows for regulation with small input-output differentials

Advantages: - Wide Input Voltage Range: Suitable for various applications - Compact Package Options: Enables flexibility in circuit design - Low Quiescent Current: Ideal for battery-powered devices

Disadvantages: - Limited Output Current: Not suitable for high-power applications - Thermal Considerations: Requires proper heat sinking for high current operation

Working Principles: The SS3P3HE3/85A utilizes a feedback control loop to maintain a constant output voltage despite variations in the input voltage and load conditions. It compares the actual output voltage to a reference voltage and adjusts the internal pass transistor to achieve the desired output.

Detailed Application Field Plans: - Portable Electronics: Powering microcontrollers, sensors, and displays - Automotive Systems: Voltage stabilization for onboard electronics - Industrial Control: Providing regulated power to sensors and actuators

Detailed and Complete Alternative Models: - LM317: Adjustable linear voltage regulator - LM7805: Fixed 5V linear voltage regulator - LT1086: Low dropout positive fixed voltage regulator

This concludes the entry for SS3P3HE3/85A, covering its product category, basic information overview, specifications, pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models.

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