IR1150IPBF

Product Overview

Category: Integrated Circuit (IC)

Use: The IR1150IPBF is a high-performance, single-phase power factor correction (PFC) controller. It is designed to improve power factor and reduce harmonic distortion in AC-DC power supplies.

Characteristics: - High efficiency - Low total harmonic distortion (THD) - Wide input voltage range - Advanced protection features - Compact package design

Package: The IR1150IPBF comes in a small outline integrated circuit (SOIC) package, which provides ease of installation and compatibility with various PCB layouts.

Essence: The essence of the IR1150IPBF lies in its ability to regulate power factor and minimize harmonic distortion, resulting in improved energy efficiency and reduced stress on the power grid.

Packaging/Quantity: The IR1150IPBF is typically sold in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Input Voltage Range: 85VAC to 265VAC
• Output Voltage Range: Adjustable
• Operating Frequency: 65kHz to 100kHz
• Maximum Duty Cycle: 95%
• Protection Features: Overvoltage protection, overcurrent protection, undervoltage lockout, thermal shutdown

Detailed Pin Configuration

The IR1150IPBF has a total of 16 pins, each serving a specific function. Here is a detailed pin configuration:

1. VCC - Power supply voltage input
2. COMP - Compensation pin for loop stability
3. FB - Feedback pin for output voltage regulation
4. CS - Current sense pin for current monitoring
5. INV - Inverting input of error amplifier
6. VREF - Reference voltage output
7. GND - Ground reference
8. RT - Timing resistor for oscillator frequency control
9. CT - Timing capacitor for oscillator frequency control
10. SD - Shutdown pin for enabling/disabling the controller
11. SS - Soft-start pin for gradual startup
12. UVLO - Undervoltage lockout pin for protection
13. OVP - Overvoltage protection pin
14. VSENSE - Voltage sense pin for input voltage monitoring
15. VCC2 - Secondary power supply voltage input
16. NC - No connection

Functional Features

• Power factor correction (PFC) control
• Voltage regulation
• Current sensing and monitoring
• Error amplification for feedback control
• Soft-start functionality for smooth startup
• Protection against overvoltage, overcurrent, and undervoltage conditions
• Thermal shutdown to prevent overheating

Advantages and Disadvantages

Advantages: - Improved power factor and reduced harmonic distortion - High efficiency leading to energy savings - Wide input voltage range for versatility - Compact package design for space-constrained applications - Advanced protection features for enhanced reliability

Disadvantages: - Requires additional external components for a complete power supply solution - Limited output voltage range compared to some alternative models

Working Principles

The IR1150IPBF operates by regulating the power factor of an AC-DC power supply through active control techniques. It utilizes a feedback loop to continuously monitor and adjust the input current waveform, ensuring it closely follows the input voltage waveform. This results in improved power factor and reduced harmonic distortion.

The controller also incorporates various protection mechanisms to safeguard the power supply and connected devices from voltage spikes, overcurrent conditions, and thermal issues.

Detailed Application Field Plans

The IR1150IPBF is commonly used in the following application fields:

1. AC-DC power supplies for consumer electronics
2. Industrial power systems
3. Lighting systems
4. Renewable energy systems
5. Electric vehicle charging stations

Detailed and Complete Alternative Models

1. IR1150S: Similar to the IR1150IPBF, but in a surface mount package (SOIC)
2. IR1160IPBF: Dual-phase power factor correction controller
3. IR1170IPBF: Three-phase power factor correction controller
4. IR1180IPBF: Power factor correction controller with integrated MOSFET driver

These alternative models offer similar functionality and features, catering to different power supply requirements.

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