NCP1011ST65T3G

Overview

Product Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low-power offline switcher - High-voltage power supply controller - Suitable for applications requiring high efficiency and low standby power consumption

Package: SOT-223

Essence: The NCP1011ST65T3G is a power management IC designed for low-power offline switching applications. It provides high efficiency and low standby power consumption, making it suitable for various electronic devices.

Packaging/Quantity: The NCP1011ST65T3G is available in a SOT-223 package. The quantity per reel is typically 2500 units.

Specifications

• Input Voltage Range: 85V to 265V AC
• Output Voltage Range: 5V to 20V DC
• Maximum Output Current: 100mA
• Operating Temperature Range: -40°C to +125°C
• Switching Frequency: 65kHz

Pin Configuration

The NCP1011ST65T3G has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. FB: Feedback pin for output voltage regulation
4. DRAIN: High-voltage power MOSFET drain connection
5. SOURCE: High-voltage power MOSFET source connection

Functional Features

• Internal high-voltage startup circuit
• Pulse frequency modulation control
• Overload protection
• Overvoltage protection
• Undervoltage lockout
• Soft-start function

Advantages

• High efficiency power conversion
• Low standby power consumption
• Wide input voltage range
• Compact SOT-223 package for space-constrained applications
• Built-in protection features for enhanced reliability

Disadvantages

• Limited maximum output current (100mA)
• Requires external components for complete power supply design

Working Principles

The NCP1011ST65T3G operates as a low-power offline switcher by utilizing pulse frequency modulation control. It incorporates an internal high-voltage startup circuit, which allows it to operate directly from the AC input voltage range of 85V to 265V. The IC regulates the output voltage through the feedback pin (FB) and provides various protection features such as overload and overvoltage protection.

Application Field Plans

The NCP1011ST65T3G is commonly used in the following applications:

1. Power adapters
2. LED lighting
3. Home appliances
4. Industrial equipment
5. Consumer electronics

Alternative Models

Here are some alternative models that can be considered as replacements for the NCP1011ST65T3G:

1. NCP1011P065G
2. NCP1011SP065G
3. NCP1011AP065G
4. NCP1011ASP065G

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

In conclusion, the NCP1011ST65T3G is a power management IC designed for low-power offline switching applications. With its high efficiency, low standby power consumption, and built-in protection features, it is suitable for a wide range of electronic devices.