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L4987CPT33
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L4987CPT33

Product Overview

Category

L4987CPT33 belongs to the category of integrated circuits (ICs).

Use

It is commonly used in electronic devices for voltage regulation and power management.

Characteristics

  • Voltage regulation capabilities
  • Power management features
  • Compact size
  • High efficiency

Package

L4987CPT33 is available in a compact package, typically a small outline transistor (SOT) package.

Essence

The essence of L4987CPT33 lies in its ability to regulate voltage and manage power efficiently in electronic devices.

Packaging/Quantity

This product is usually packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 1.23V to 55V
  • Maximum Output Current: 3A
  • Switching Frequency: 100kHz to 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4987CPT33 has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. COMP: Compensation pin
  4. FB: Feedback pin
  5. VCC: Supply voltage pin
  6. EN: Enable pin
  7. SS/TR: Soft-start/tracking pin
  8. VOUT: Output voltage pin

Functional Features

  • Wide input voltage range allows for versatile applications
  • High output current capability enables powering various loads
  • Adjustable output voltage provides flexibility
  • Integrated protection features ensure safe operation
  • Soft-start function prevents excessive inrush current

Advantages and Disadvantages

Advantages

  • Efficient voltage regulation
  • Compact size
  • Wide input voltage range
  • Integrated protection features

Disadvantages

  • Limited maximum output current (3A)
  • Requires external components for operation

Working Principles

L4987CPT33 operates based on a pulse width modulation (PWM) control scheme. It regulates the output voltage by adjusting the duty cycle of the internal power switch. This allows for efficient power conversion and voltage regulation.

Detailed Application Field Plans

L4987CPT33 finds applications in various electronic devices, including but not limited to: - Power supplies - Battery chargers - LED drivers - Industrial automation systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to L4987CPT33 are: - LM2576-ADJ - LT1170 - MC34063A - TPS5430

These models can be considered as alternatives depending on specific requirements and design constraints.

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技術ソリューションにおける L4987CPT33 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 L4987CPT33 in technical solutions:

  1. Q: What is L4987CPT33? A: L4987CPT33 is a specific model of voltage regulator IC (integrated circuit) designed for use in technical solutions.

  2. Q: What is the purpose of L4987CPT33? A: The purpose of L4987CPT33 is to regulate and stabilize the voltage output in electronic circuits, ensuring a consistent power supply.

  3. Q: What is the input voltage range for L4987CPT33? A: The input voltage range for L4987CPT33 typically ranges from 4.5V to 60V.

  4. Q: What is the output voltage range for L4987CPT33? A: The output voltage range for L4987CPT33 is fixed at 3.3V.

  5. Q: What is the maximum current output of L4987CPT33? A: The maximum current output of L4987CPT33 is typically around 2A.

  6. Q: Can L4987CPT33 handle high temperatures? A: Yes, L4987CPT33 is designed to operate reliably at high temperatures, typically up to 125°C.

  7. Q: Is L4987CPT33 suitable for battery-powered applications? A: Yes, L4987CPT33 can be used in battery-powered applications as it has low quiescent current and supports low-power operation.

  8. Q: Does L4987CPT33 have built-in protection features? A: Yes, L4987CPT33 incorporates various protection features such as thermal shutdown, overcurrent protection, and short-circuit protection.

  9. Q: Can L4987CPT33 be used in automotive applications? A: Yes, L4987CPT33 is suitable for automotive applications as it meets the necessary standards and has a wide input voltage range.

  10. Q: Are there any application notes or reference designs available for L4987CPT33? A: Yes, the manufacturer of L4987CPT33 provides application notes and reference designs that can help in implementing the IC effectively in various technical solutions.

Please note that the specific details and specifications may vary depending on the manufacturer's documentation and datasheet for L4987CPT33.