NXP USA Inc.
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TEA1533AT/N1,518
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TEA1533AT/N1,518

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High efficiency, low standby power consumption
  • Package: SOT-23
  • Essence: Switched Mode Power Supply (SMPS) controller
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Input Voltage Range: 4.5V to 25V
  • Output Voltage Range: 2.5V to 22V
  • Maximum Output Current: 1.5A
  • Switching Frequency: 100kHz to 500kHz
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TEA1533AT/N1,518 IC has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. FB: Feedback pin for output voltage regulation
  4. CS: Current sense input for current limiting
  5. DRAIN: Switching transistor drain connection
  6. VREF: Reference voltage output
  7. COMP: Compensation pin for stability control

Functional Features

  • Integrated high-voltage startup circuit
  • Pulse frequency modulation (PFM) operation for light load efficiency
  • Over-temperature protection
  • Overvoltage protection
  • Undervoltage lockout
  • Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - High efficiency - Low standby power consumption - Wide input and output voltage range - Compact SOT-23 package

Disadvantages: - Limited maximum output current (1.5A) - Requires external components for complete power supply design

Working Principles

The TEA1533AT/N1,518 is a switched mode power supply (SMPS) controller IC. It operates by regulating the output voltage through a feedback mechanism. The IC uses pulse frequency modulation (PFM) operation for improved efficiency during light load conditions. It also incorporates various protection features such as over-temperature and overvoltage protection.

Detailed Application Field Plans

The TEA1533AT/N1,518 is commonly used in various power management applications, including:

  1. Consumer Electronics: Power supplies for TVs, set-top boxes, and audio systems.
  2. Computer Peripherals: Power adapters for laptops, monitors, and printers.
  3. Industrial Equipment: Power control modules for industrial machinery and automation systems.
  4. Lighting Systems: LED drivers and power supplies for lighting fixtures.
  5. Automotive Electronics: DC-DC converters for automotive applications.

Detailed and Complete Alternative Models

  1. TEA1532AT/N1,518
  2. TEA1534AT/N1,518
  3. TEA1535AT/N1,518
  4. TEA1536AT/N1,518
  5. TEA1537AT/N1,518

These alternative models offer similar functionality and can be considered as replacements for the TEA1533AT/N1,518 depending on specific requirements.

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Texniki həllərdə TEA1533AT/N1,518 tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

  1. Question: What is the maximum input voltage for TEA1533AT/N1,518?
    Answer: The maximum input voltage for TEA1533AT/N1,518 is 28V.

  2. Question: What is the typical standby power consumption of TEA1533AT/N1,518?
    Answer: The typical standby power consumption of TEA1533AT/N1,518 is less than 30mW.

  3. Question: Can TEA1533AT/N1,518 be used in flyback converter applications?
    Answer: Yes, TEA1533AT/N1,518 can be used in flyback converter applications.

  4. Question: What is the maximum switching frequency supported by TEA1533AT/N1,518?
    Answer: The maximum switching frequency supported by TEA1533AT/N1,518 is 150kHz.

  5. Question: Does TEA1533AT/N1,518 have built-in overvoltage protection?
    Answer: Yes, TEA1533AT/N1,518 has built-in overvoltage protection.

  6. Question: What is the maximum output current that TEA1533AT/N1,518 can handle?
    Answer: The maximum output current that TEA1533AT/N1,518 can handle is 3A.

  7. Question: Is TEA1533AT/N1,518 suitable for use in LED driver applications?
    Answer: Yes, TEA1533AT/N1,518 is suitable for use in LED driver applications.

  8. Question: What is the operating temperature range for TEA1533AT/N1,518?
    Answer: The operating temperature range for TEA1533AT/N1,518 is -40°C to 125°C.

  9. Question: Can TEA1533AT/N1,518 be used in offline power supply designs?
    Answer: Yes, TEA1533AT/N1,518 can be used in offline power supply designs.

  10. Question: Does TEA1533AT/N1,518 have integrated soft-start functionality?
    Answer: Yes, TEA1533AT/N1,518 has integrated soft-start functionality.