ICE3A2065I

Product Overview

Category

The ICE3A2065I belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in various power supply systems, such as switch mode power supplies (SMPS), offline flyback converters, and LED drivers.

Characteristics

• High efficiency: The ICE3A2065I offers excellent energy conversion efficiency, reducing power losses and improving overall system performance.
• Wide input voltage range: It can operate with a wide range of input voltages, making it suitable for different power supply applications.
• Advanced protection features: This IC incorporates various protection mechanisms, including overvoltage protection (OVP), overcurrent protection (OCP), and thermal shutdown, ensuring safe and reliable operation.
• Low standby power consumption: The ICE3A2065I minimizes power consumption during standby mode, contributing to energy savings.

Package

The ICE3A2065I is available in a compact and industry-standard package, such as the DIP-8 or SO-8 package. These packages provide ease of integration into various electronic systems.

Essence

The essence of the ICE3A2065I lies in its ability to efficiently regulate and control power supply systems, enabling stable and reliable operation.

Packaging/Quantity

The ICE3A2065I is typically sold in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and distributor.

Specifications

• Input Voltage Range: 85V - 265V AC
• Output Power: Up to 65W
• Switching Frequency: 65kHz - 100kHz
• Operating Temperature Range: -40°C to +125°C
• Supply Voltage: 12V - 20V DC

Detailed Pin Configuration

The ICE3A2065I features an 8-pin package with the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for voltage regulation
4. CS: Current sense pin for current regulation
5. COMP: Compensation pin for stability control
6. DRAIN: Switching transistor drain connection
7. SOURCE: Switching transistor source connection
8. VCCP: Power supply input for internal control circuitry

Functional Features

• Voltage Regulation: The ICE3A2065I provides precise voltage regulation, ensuring a stable output voltage even under varying load conditions.
• Current Regulation: It offers accurate current regulation, preventing excessive current flow and protecting the system components.
• Soft Start: This IC incorporates a soft start feature, gradually ramping up the output voltage to avoid inrush currents and voltage spikes during startup.
• Frequency Modulation: The switching frequency can be modulated to optimize efficiency and reduce electromagnetic interference (EMI).
• Protection Mechanisms: The ICE3A2065I includes various protection features like overvoltage, overcurrent, and thermal shutdown, safeguarding the system from potential faults or failures.

Advantages and Disadvantages

Advantages

• High efficiency leads to energy savings and reduced power losses.
• Wide input voltage range allows for versatile applications.
• Advanced protection mechanisms ensure safe operation.
• Compact package facilitates integration into different systems.
• Low standby power consumption contributes to energy efficiency.

Disadvantages

• Limited output power compared to higher-rated ICs.
• Requires proper heat dissipation measures due to high operating temperatures.

Working Principles

The ICE3A2065I operates based on the principles of pulse width modulation (PWM) control. It regulates the output voltage by adjusting the duty cycle of the switching transistor, which controls the energy transfer from the input to the output. By continuously monitoring the feedback voltage and current sense, the IC adjusts the duty cycle to maintain the desired output voltage and current levels.

Detailed Application Field Plans

The ICE3A2065I finds applications in various power supply systems, including: - Offline flyback converters for consumer electronics - LED drivers for lighting applications - Switch mode power supplies (SMPS) for industrial equipment - Power adapters for computer peripherals - Battery chargers for portable devices

Detailed and Complete Alternative Models

• ICE3A0565: Lower power variant suitable for low wattage applications.
• ICE3B1565: Higher power variant with extended input voltage range.
• ICE3RBR1765JZ: Integrated power factor correction (PFC) controller for improved power quality.

These alternative models offer different specifications and features, allowing designers to choose the most suitable option based on their specific requirements.

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