SPX1587T-L
Product Overview
Category
SPX1587T-L belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- High precision voltage regulation
- Low dropout voltage
- Thermal shutdown protection
- Current limit protection
Package
The SPX1587T-L comes in a TO-220 package.
Essence
The essence of SPX1587T-L lies in its ability to provide stable and regulated voltage output.
Packaging/Quantity
The product is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Input Voltage Range: 4.5V to 7V
- Output Voltage Range: 1.25V to 5.5V
- Dropout Voltage: 1.3V (typical)
- Maximum Output Current: 3A
- Line Regulation: ±0.2%
- Load Regulation: ±0.4%
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The SPX1587T-L has three pins:
- Vin (Pin 1): Input voltage pin.
- Vout (Pin 2): Output voltage pin.
- GND (Pin 3): Ground pin.
Functional Features
- High precision voltage regulation ensures stable output voltage.
- Low dropout voltage allows efficient operation even with low input voltages.
- Thermal shutdown protection prevents damage due to excessive heat.
- Current limit protection safeguards against overcurrent conditions.
Advantages and Disadvantages
Advantages
- Provides precise and stable voltage regulation.
- Suitable for low input voltage applications.
- Offers thermal and current protection features.
Disadvantages
- Limited output current capacity.
- Restricted input voltage range.
Working Principles
The SPX1587T-L utilizes a voltage reference, error amplifier, and pass transistor to regulate the output voltage. The input voltage is compared with the reference voltage, and the error amplifier adjusts the pass transistor accordingly to maintain the desired output voltage.
Detailed Application Field Plans
The SPX1587T-L finds applications in various electronic devices, including: - Power supplies - Battery-powered systems - Industrial control systems - Automotive electronics - Telecommunications equipment
Detailed and Complete Alternative Models
- LM317: A popular adjustable voltage regulator with similar characteristics.
- LT1084: Offers higher output current capability.
- LM7805: Fixed 5V voltage regulator commonly used in many applications.
These alternative models provide similar functionality and can be considered as substitutes for the SPX1587T-L based on specific requirements.
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技術ソリューションにおける SPX1587T-L の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of SPX1587T-L in technical solutions:
Q: What is SPX1587T-L? A: SPX1587T-L is a voltage regulator IC (integrated circuit) that provides a fixed output voltage for various electronic applications.
Q: What is the input voltage range for SPX1587T-L? A: The input voltage range for SPX1587T-L is typically between 4.75V and 7V.
Q: What is the output voltage of SPX1587T-L? A: The output voltage of SPX1587T-L can be set to a fixed value between 1.25V and 5.0V, depending on the specific variant.
Q: What is the maximum output current of SPX1587T-L? A: The maximum output current of SPX1587T-L is typically 3A, which makes it suitable for powering a wide range of electronic devices.
Q: Can SPX1587T-L handle high temperatures? A: Yes, SPX1587T-L is designed to operate reliably at high temperatures, with a maximum junction temperature of 125°C.
Q: Does SPX1587T-L require any external components for operation? A: Yes, SPX1587T-L requires a few external components such as input and output capacitors for stability and filtering.
Q: Is SPX1587T-L protected against overcurrent and thermal overload? A: Yes, SPX1587T-L includes built-in protection features like thermal shutdown and current limiting to protect itself and the connected circuitry.
Q: Can SPX1587T-L be used in battery-powered applications? A: Yes, SPX1587T-L can be used in battery-powered applications as it has a low dropout voltage, allowing it to operate with lower input voltages.
Q: Can SPX1587T-L be used in both step-up and step-down voltage applications? A: No, SPX1587T-L is primarily designed for step-down voltage regulation, converting a higher input voltage to a lower output voltage.
Q: What are some typical applications of SPX1587T-L? A: SPX1587T-L is commonly used in various electronic devices such as power supplies, battery chargers, audio amplifiers, and industrial control systems.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application requirements of SPX1587T-L.