NCP1075P130G

Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Low standby power consumption - Wide input voltage range - Overvoltage and overcurrent protection - Thermal shutdown protection

Package: TO-220-7L

Essence: The NCP1075P130G is a power management IC designed for efficient power conversion in various applications.

Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Input Voltage Range: 85V - 265V AC
• Output Voltage: 13V DC
• Output Current: Up to 1.5A
• Switching Frequency: 65kHz
• Standby Power Consumption: <100mW
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCP1075P130G has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. CS: Current sense pin for overcurrent protection
6. EN: Enable pin for turning the IC on/off
7. HV: High-voltage startup pin

Functional Features

• Primary-side regulation (PSR) control scheme
• Built-in high-voltage startup circuit
• Cycle-by-cycle current limiting
• Soft-start function for smooth startup
• Frequency jittering for reduced EMI emissions
• Auto-recovery overvoltage protection
• Thermal shutdown protection

Advantages

• High efficiency conversion
• Compact size and low component count
• Wide input voltage range for universal compatibility
• Robust protection features ensure system reliability
• Low standby power consumption for energy-saving operation

Disadvantages

• Limited output current capacity (up to 1.5A)
• Requires external components for complete power supply design
• Not suitable for high-power applications

Working Principles

The NCP1075P130G utilizes a primary-side regulation (PSR) control scheme, where the feedback signal is derived directly from the primary side of the transformer. This eliminates the need for an optocoupler or secondary-side feedback circuitry, reducing component count and cost.

The IC incorporates a high-voltage startup circuit that enables it to operate directly from the rectified AC input voltage. It employs cycle-by-cycle current limiting to protect against overcurrent conditions and features a soft-start function for controlled startup.

Frequency jittering is implemented to reduce electromagnetic interference (EMI) emissions, ensuring compliance with regulatory standards. The IC also includes auto-recovery overvoltage protection and thermal shutdown protection to safeguard the system during fault conditions.

Detailed Application Field Plans

The NCP1075P130G is commonly used in various power management applications, including but not limited to:

1. AC-DC power supplies for consumer electronics
2. LED lighting drivers
3. Industrial power systems
4. Home appliances
5. Battery chargers

Alternative Models

Other alternative models that can be considered for similar applications include:

1. NCP1014AP065G
2. NCP1200P60G
3. NCP1377BPG
4. NCP1396AG
5. NCP1616P133G

These alternative models offer similar functionality and characteristics, providing flexibility in design choices.

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