STEF05DPUR

Basic Information Overview

Category: Electronic Component
Use: Voltage Regulator
Characteristics: High Efficiency, Low Dropout Voltage
Package: TO-252-3 (DPAK)
Essence: Monolithic Integrated Circuit
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Input Voltage Range: 2.5V to 18V
Output Voltage Range: 1.2V to 16V
Output Current: Up to 500mA
Dropout Voltage: 200mV at 500mA
Line Regulation: ±0.2%
Load Regulation: ±0.4%
Quiescent Current: 75µA
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The STEF05DPUR has a standard three-pin configuration:

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

Functional Features

High efficiency with low dropout voltage ensures minimal power dissipation.
Excellent line and load regulation for stable output voltage under varying conditions.
Built-in thermal shutdown protection prevents damage due to excessive temperature.
Short-circuit current limiting protects the device and connected components.

Advantages and Disadvantages

Advantages

Wide input voltage range allows compatibility with various power sources.
Low quiescent current minimizes power consumption in standby mode.
Compact TO-252-3 package enables easy integration into space-constrained designs.
Robust protection features enhance reliability and prevent damage.

Disadvantages

Limited output current may not be suitable for high-power applications.
Dropout voltage of 200mV may affect performance in low-voltage scenarios.

Working Principles

The STEF05DPUR is a voltage regulator that maintains a stable output voltage regardless of input voltage fluctuations. It utilizes a monolithic integrated circuit to regulate the voltage difference between the input and desired output voltage. By employing feedback control, it adjusts the internal pass transistor to maintain the specified output voltage.

Detailed Application Field Plans

Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other low-power components.
Automotive electronics: Suitable for powering various modules in vehicles, such as infotainment systems and lighting controls.
Industrial automation: Used in control circuits, motor drives, and sensor interfaces to ensure stable power supply.
Consumer electronics: Enables reliable voltage regulation in smartphones, tablets, and portable audio devices.

Detailed and Complete Alternative Models

LM1117-3.3: Low dropout voltage regulator with fixed 3.3V output.
LT1763: Ultra-low dropout linear regulator with adjustable output voltage.
TPS79633: High-performance, low-noise voltage regulator with fixed 3.3V output.

(Note: This list is not exhaustive and serves as examples of alternative models.)

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von STEF05DPUR in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of STEF05DPUR in technical solutions:

Q: What is STEF05DPUR? A: STEF05DPUR is a type of polyurethane resin that is commonly used in technical solutions for its excellent mechanical properties and chemical resistance.
Q: What are the key advantages of using STEF05DPUR in technical solutions? A: Some key advantages of using STEF05DPUR include its high strength, durability, flexibility, and resistance to abrasion, chemicals, and UV radiation.
Q: In which industries is STEF05DPUR commonly used? A: STEF05DPUR finds applications in various industries such as automotive, aerospace, electronics, construction, and manufacturing.
Q: Can STEF05DPUR be used for coating or encapsulation purposes? A: Yes, STEF05DPUR can be used for both coating and encapsulation purposes due to its excellent adhesion properties and ability to protect against moisture and corrosion.
Q: Is STEF05DPUR suitable for outdoor applications? A: Yes, STEF05DPUR is highly resistant to UV radiation and weathering, making it suitable for outdoor applications where exposure to harsh environmental conditions is expected.
Q: Can STEF05DPUR be molded into complex shapes? A: Yes, STEF05DPUR can be easily molded into complex shapes using various techniques such as injection molding, casting, or 3D printing.
Q: Does STEF05DPUR have any limitations or considerations for use? A: While STEF05DPUR offers many benefits, it is important to consider factors such as proper ventilation during application, curing time, and compatibility with other materials.
Q: What is the typical curing time for STEF05DPUR? A: The curing time for STEF05DPUR can vary depending on factors such as temperature and humidity, but it typically ranges from a few hours to several days.
Q: Can STEF05DPUR be painted or coated with other materials? A: Yes, STEF05DPUR can be painted or coated with compatible materials to achieve desired aesthetics or additional protection.
Q: Are there any safety precautions to consider when working with STEF05DPUR? A: Yes, it is important to follow proper safety guidelines, including wearing protective equipment such as gloves and goggles, ensuring adequate ventilation, and storing the material in a safe manner.