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SA90HE3/73 Product Overview
Introduction
The SA90HE3/73 is a semiconductor product belonging to the category of voltage regulators. This device is designed for use in various electronic applications to regulate voltage and ensure stable power supply. The SA90HE3/73 possesses distinct characteristics, packaging, and quantity specifications that make it suitable for a wide range of applications.
Basic Information Overview
- Category: Voltage Regulator
- Use: Stabilizing and regulating voltage in electronic circuits
- Characteristics: High precision, low dropout voltage, thermal shutdown protection
- Package: TO-252-3 (DPAK)
- Essence: Ensuring stable power supply in electronic devices
- Packaging/Quantity: Tape & Reel, 2500 units per reel
Specifications
- Input Voltage Range: 4.5V to 20V
- Output Voltage Range: 1.2V to 18V
- Output Current: 500mA
- Dropout Voltage: 300mV at 500mA
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
The SA90HE3/73 features a standard TO-252-3 (DPAK) package with three pins: 1. Pin 1 (Input): Connects to the input voltage source 2. Pin 2 (Ground): Connected to the ground reference 3. Pin 3 (Output): Provides the regulated output voltage
Functional Features
- High Precision: Provides accurate and stable output voltage regulation
- Low Dropout Voltage: Minimizes power loss and improves efficiency
- Thermal Shutdown Protection: Safeguards the device from overheating
Advantages and Disadvantages
Advantages
- Reliable voltage regulation
- Low dropout voltage for improved efficiency
- Thermal protection for enhanced safety
Disadvantages
- Limited output current capacity
- Restricted input voltage range
Working Principles
The SA90HE3/73 operates based on the principle of feedback control, where it compares the actual output voltage to a reference voltage and adjusts the internal circuitry to maintain a constant output voltage despite variations in input voltage and load conditions.
Detailed Application Field Plans
The SA90HE3/73 is ideal for various applications, including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems
Detailed and Complete Alternative Models
- SA85HE3/73: Similar voltage regulator with lower dropout voltage
- SA95HE3/73: Higher output current version for increased capacity
- SA80HE3/73: Cost-effective alternative with slightly reduced precision
In conclusion, the SA90HE3/73 voltage regulator offers precise and reliable voltage regulation for a diverse range of electronic applications, making it an essential component in modern electronic designs.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SA90HE3/73 v technických řešeních
What is SA90HE3/73?
- SA90HE3/73 is a high-efficiency, surface mount Schottky rectifier diode commonly used in electronic circuits for power supply and voltage regulation.
What are the key specifications of SA90HE3/73?
- The key specifications include a maximum average forward current of 9A, a reverse voltage of 90V, and a low forward voltage drop.
In what applications can SA90HE3/73 be used?
- SA90HE3/73 is commonly used in power supplies, voltage regulators, DC-DC converters, and other electronic circuits requiring high-efficiency rectification.
What are the advantages of using SA90HE3/73 in technical solutions?
- The advantages include low forward voltage drop, high efficiency, fast switching speed, and compact surface mount package.
What are the typical operating conditions for SA90HE3/73?
- The typical operating conditions include a temperature range of -65°C to +125°C, with a storage temperature range of -65°C to +150°C.
Are there any recommended soldering or mounting techniques for SA90HE3/73?
- Yes, it is recommended to follow the manufacturer's guidelines for soldering and mounting to ensure proper performance and reliability.
Can SA90HE3/73 be used in automotive applications?
- Yes, SA90HE3/73 is suitable for automotive applications where high-efficiency rectification is required.
What are the potential failure modes of SA90HE3/73?
- Potential failure modes may include overcurrent, overvoltage, thermal stress, and improper handling during assembly.
Is SA90HE3/73 RoHS compliant?
- Yes, SA90HE3/73 is RoHS compliant, making it suitable for use in environmentally sensitive applications.
Where can I find detailed application notes and technical information for SA90HE3/73?
- Detailed application notes and technical information can be found in the datasheet provided by the manufacturer or on their official website.