ICE3BR4765JZXKLA1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • High efficiency
  • Low standby power consumption
  • Wide input voltage range
  • Overload and short-circuit protection
• Package: TO-220-6L
• Essence: Power Factor Correction (PFC) Controller
• Packaging/Quantity: Tray, 500 units per tray

Specifications

• Input Voltage Range: 85VAC to 265VAC
• Output Power: Up to 65W
• Operating Frequency: 67kHz
• Maximum Duty Cycle: 75%
• Protection Features:
  • Overload protection
  • Short-circuit protection
  • Overvoltage protection
  • Undervoltage lockout
  • Overtemperature protection

Detailed Pin Configuration

The ICE3BR4765JZXKLA1 has a total of six pins:

1. VCC: Power supply pin (+15V)
2. GND: Ground pin
3. FB: Feedback pin for voltage regulation
4. CS: Current sense pin
5. COMP: Compensation pin for stability control
6. HV: High-voltage pin for PFC boost converter

Functional Features

• Power factor correction for improved energy efficiency
• Constant voltage output regulation
• Protection against overload, short-circuit, overvoltage, and overtemperature conditions
• Soft-start function for smooth power-up operation
• Frequency jittering for reduced EMI emissions
• Burst mode operation for low standby power consumption

Advantages and Disadvantages

Advantages

• High efficiency power factor correction
• Wide input voltage range for universal compatibility
• Comprehensive protection features ensure system reliability
• Low standby power consumption reduces energy waste
• Compact TO-220-6L package for easy integration

Disadvantages

• Relatively high operating frequency may require additional EMI filtering
• Limited output power of up to 65W may not be suitable for high-power applications

Working Principles

The ICE3BR4765JZXKLA1 is a power factor correction controller designed to improve the efficiency of power supplies. It operates by regulating the input current waveform to achieve a near-unity power factor. By correcting the power factor, this IC ensures that the load receives maximum power from the mains while minimizing reactive power and reducing energy losses.

The controller uses a boost converter topology to shape the input current waveform. It adjusts the duty cycle of the high-voltage switch to maintain a constant output voltage and regulate the input current. The feedback loop continuously monitors the output voltage and adjusts the duty cycle accordingly.

Detailed Application Field Plans

The ICE3BR4765JZXKLA1 is commonly used in various power supply applications, including:

1. Switched-mode power supplies (SMPS)
2. LED lighting systems
3. Consumer electronics
4. Industrial equipment
5. Telecommunications equipment

Its high efficiency, wide input voltage range, and comprehensive protection features make it suitable for a broad range of applications requiring power factor correction.

Detailed and Complete Alternative Models

1. ICE3BR0665JZ: Similar PFC controller with lower output power capability (up to 65W)
2. ICE3BR1765JZ: Higher power variant with an output power of up to 165W
3. ICE3BR2565JZ: Enhanced version with additional protection features and improved efficiency

These alternative models offer different power ratings and additional features to cater to specific application requirements.

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