SA90AHE3/73

Product Overview

Category: Semiconductor
Use: Voltage Regulator
Characteristics: High efficiency, low dropout voltage
Package: TO-220
Essence: Regulates voltage with minimal power loss
Packaging/Quantity: Bulk packaging, 100 units per pack

Specifications

Input Voltage: 4.5V to 20V
Output Voltage: 1.2V to 18V
Maximum Output Current: 1A
Dropout Voltage: 0.45V at 1A
Line Regulation: 0.2%
Load Regulation: 0.4%
Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

Vin (Input Voltage)
GND (Ground)
Vout (Output Voltage)

Functional Features

Low dropout voltage
Thermal shutdown protection
Short-circuit current limit
Fast transient response

Advantages and Disadvantages

Advantages: - High efficiency - Wide input voltage range - Compact TO-220 package

Disadvantages: - Limited maximum output current - Higher dropout voltage compared to some alternatives

Working Principles

The SA90AHE3/73 is a voltage regulator that maintains a stable output voltage even when the input voltage fluctuates. It achieves this by using a feedback control loop to adjust the output voltage based on the input and load conditions.

Detailed Application Field Plans

The SA90AHE3/73 is suitable for various applications requiring a stable voltage supply, such as: - Battery-powered devices - Automotive electronics - Industrial control systems - Portable consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the SA90AHE3/73 include: - LM317: A popular adjustable voltage regulator with higher maximum output current - LM1117: Low dropout voltage regulator available in various package types - LT1086: High current, adjustable voltage regulator with low dropout voltage

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SA90AHE3/73 у технічних рішеннях

What is SA90AHE3/73?
- SA90AHE3/73 is a high-efficiency, surface mount Schottky rectifier diode commonly used in power supply and voltage regulation applications.
What is the maximum forward voltage of SA90AHE3/73?
- The maximum forward voltage of SA90AHE3/73 is typically around 0.55V at a forward current of 9A.
What is the reverse voltage rating of SA90AHE3/73?
- SA90AHE3/73 has a reverse voltage rating of 90V, making it suitable for low to medium voltage applications.
What are the typical applications of SA90AHE3/73?
- SA90AHE3/73 is commonly used in switch-mode power supplies, freewheeling diodes, OR-ing diodes, and reverse battery protection circuits.
What is the maximum junction temperature of SA90AHE3/73?
- The maximum junction temperature of SA90AHE3/73 is 150°C, ensuring reliable operation in various thermal environments.
What is the package type of SA90AHE3/73?
- SA90AHE3/73 is available in a compact, surface-mount SMB (DO-214AA) package, which facilitates easy integration into circuit designs.
Does SA90AHE3/73 have a low leakage current?
- Yes, SA90AHE3/73 exhibits low reverse leakage current, contributing to its efficiency and reliability in power management applications.
Is SA90AHE3/73 RoHS compliant?
- Yes, SA90AHE3/73 is compliant with the Restriction of Hazardous Substances (RoHS) directive, meeting environmental standards.
What are the key advantages of using SA90AHE3/73 in technical solutions?
- The key advantages include low forward voltage drop, fast switching performance, high current capability, and suitability for high-frequency operation.
Are there any recommended layout considerations for implementing SA90AHE3/73 in a circuit?
- It is recommended to minimize the length of traces between the diode and other components, use proper thermal management techniques, and ensure adequate PCB layout for efficient heat dissipation.