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AZ7500CMTR-EA
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AZ7500CMTR-EA

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Mode PWM Controller

Characteristics: - High-performance voltage mode PWM controller - Designed for use in power supply applications - Provides precise control over the output voltage and current - Offers protection features such as overvoltage and overcurrent protection

Package: SOP-16

Essence: The AZ7500CMTR-EA is a voltage mode PWM controller that is widely used in power supply applications. It provides accurate control over the output voltage and current, ensuring stable and efficient operation.

Packaging/Quantity: The AZ7500CMTR-EA is typically packaged in a SOP-16 package. Each package contains one unit of the IC.

Specifications

  • Input Voltage Range: 8V to 35V
  • Output Voltage Range: 1.23V to 30V
  • Maximum Output Current: 500mA
  • Operating Temperature Range: -40°C to +85°C
  • Frequency Range: 50kHz to 1MHz

Detailed Pin Configuration

The AZ7500CMTR-EA has a total of 16 pins. Here is the detailed pin configuration:

  1. COMP: Compensation pin for feedback control loop.
  2. CS: Current sense input pin for current limiting.
  3. INV: Inverting input of the error amplifier.
  4. VREF: Reference voltage input for the error amplifier.
  5. GND: Ground reference for the IC.
  6. RT/CT: Timing resistor/capacitor connection pin.
  7. OSC: Oscillator timing capacitor connection pin.
  8. SYNC: Synchronization input pin for external clock synchronization.
  9. SS/TR: Soft-start/tracking pin for controlling the startup behavior.
  10. VCC: Power supply input pin for the IC.
  11. FB: Feedback pin for voltage regulation.
  12. DRV: Gate driver output pin for driving the external power switch.
  13. NC: No connection pin.
  14. NC: No connection pin.
  15. NC: No connection pin.
  16. NC: No connection pin.

Functional Features

  • Voltage mode control with precise regulation
  • Adjustable frequency range for optimal performance
  • Soft-start function for smooth startup
  • Overvoltage protection to prevent damage to the circuit
  • Overcurrent protection for safe operation
  • Synchronization capability for external clock synchronization

Advantages and Disadvantages

Advantages: - High-performance voltage mode PWM controller - Accurate control over output voltage and current - Protection features ensure safe operation - Wide input and output voltage range - Compact SOP-16 package for easy integration

Disadvantages: - Limited maximum output current (500mA) - Requires additional external components for complete power supply implementation

Working Principles

The AZ7500CMTR-EA operates on the principle of voltage mode control. It compares the feedback voltage from the output with a reference voltage and adjusts the duty cycle of the PWM signal accordingly. This regulates the output voltage and ensures stable operation. The IC also incorporates various protection features such as overvoltage and overcurrent protection to safeguard the circuit and connected devices.

Detailed Application Field Plans

The AZ7500CMTR-EA is commonly used in various power supply applications, including but not limited to: - Switching power supplies - DC-DC converters - Battery chargers - LED drivers - Industrial power systems

Its high-performance characteristics and protection features make it suitable for demanding applications that require precise voltage regulation and reliable operation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AZ7500CMTR-EA include: - UC3843: Voltage mode PWM controller with adjustable frequency range. - TL494: PWM controller with integrated error amplifier and protection features. - SG3525: Regulating pulse width modulator with wide input voltage range.

These alternative models can be considered based on specific application requirements and design constraints.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi AZ7500CMTR-EA dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of AZ7500CMTR-EA in technical solutions:

  1. Q: What is the AZ7500CMTR-EA? A: The AZ7500CMTR-EA is a pulse width modulation (PWM) controller IC commonly used in power supply applications.

  2. Q: What are the key features of the AZ7500CMTR-EA? A: Some key features include adjustable frequency operation, soft-start function, built-in error amplifier, and overcurrent protection.

  3. Q: How does the AZ7500CMTR-EA control the output voltage? A: The AZ7500CMTR-EA regulates the output voltage by adjusting the duty cycle of the PWM signal driving the power switch.

  4. Q: Can the AZ7500CMTR-EA be used in both buck and boost converter topologies? A: Yes, the AZ7500CMTR-EA can be used in both buck and boost converter topologies, as well as in flyback and forward converter configurations.

  5. Q: What is the maximum operating frequency of the AZ7500CMTR-EA? A: The AZ7500CMTR-EA can operate at frequencies up to 500kHz.

  6. Q: Does the AZ7500CMTR-EA have any protection features? A: Yes, the AZ7500CMTR-EA includes overcurrent protection, undervoltage lockout, and thermal shutdown protection.

  7. Q: Can the AZ7500CMTR-EA be used in high-power applications? A: Yes, the AZ7500CMTR-EA can be used in high-power applications by selecting appropriate external components.

  8. Q: Is the AZ7500CMTR-EA suitable for battery-powered applications? A: Yes, the AZ7500CMTR-EA can be used in battery-powered applications as it has a low quiescent current and supports low-voltage operation.

  9. Q: Are there any application notes or reference designs available for the AZ7500CMTR-EA? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of the AZ7500CMTR-EA in various circuits.

  10. Q: Where can I purchase the AZ7500CMTR-EA? A: The AZ7500CMTR-EA can be purchased from authorized distributors or directly from the manufacturer's website.