仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Last Time Buy |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Flyback |
| Voltage - Start Up | 8.5 V |
| Voltage - Supply (Vcc/Vdd) | 7.5V ~ 10V |
| Duty Cycle | 77% |
| Frequency - Switching | 100kHz |
| Power (Watts) | 40 W |
| Fault Protection | Current Limiting, Open Loop, Over Load, Over Temperature |
| Operating Temperature | -40°C ~ 150°C (TJ) |
| Supplier Device Package | SOT-223 (TO-261) |
概要
Description
The NCP1055ST100T3G is a high-voltage monolithic switching regulator from ON Semiconductor, designed for use in low-power offline applications. It integrates a fixed-frequency current-mode controller with a 700V MOSFET, providing a compact and efficient solution for power conversion needs. The device is particularly suited for applications requiring a small footprint and high reliability, such as in AC-DC adapters, auxiliary power supplies, and standby power systems.
Key features of the NCP1055ST100T3G include its optimized high-voltage start-up circuit, which minimizes power consumption during standby, and its integrated frequency jittering, which helps to reduce EMI emissions. The regulator also offers overcurrent protection, thermal shutdown, and overvoltage protection, ensuring robust operation under varying conditions. Additionally, it supports a wide input voltage range, enhancing its versatility for global power grids.
Overall, the NCP1055ST100T3G is designed to provide a cost-efficient, compact, and reliable solution for designers looking to implement efficient power supply systems in space-constrained environments.
Key features of the NCP1055ST100T3G include its optimized high-voltage start-up circuit, which minimizes power consumption during standby, and its integrated frequency jittering, which helps to reduce EMI emissions. The regulator also offers overcurrent protection, thermal shutdown, and overvoltage protection, ensuring robust operation under varying conditions. Additionally, it supports a wide input voltage range, enhancing its versatility for global power grids.
Overall, the NCP1055ST100T3G is designed to provide a cost-efficient, compact, and reliable solution for designers looking to implement efficient power supply systems in space-constrained environments.
Equivalent
The NCP1055ST100T3G is a monolithic high-voltage switching regulator from ON Semiconductor. Equivalent products include the VIPer22A from STMicroelectronics, the TOP223 from Power Integrations, and the LNK304 from Power Integrations. These alternatives offer similar functionality for low-power offline switcher applications and can be used in place of the NCP1055ST100T3G, though specific features and performance may vary. Always check the datasheets for compatibility with your specific application.
Features
The NCP1055ST100T3G is an integrated circuit designed for use in power supply applications. Key features include:
1. Integrated MOSFET: Includes a high-voltage power MOSFET, minimizing the need for external components.
2. Wide Input Voltage Range: Supports a wide range of input voltages, making it versatile for various applications.
3. Current Mode Control: Utilizes current mode control for improved performance and stability.
4. Low Standby Power: Designed for low standby power consumption, enhancing energy efficiency.
5. Protection Features: Offers multiple protection features such as overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown to ensure reliability and safety.
6. Fixed Frequency Operation: Operates at a fixed frequency, which simplifies the EMI filtering process.
7. Ease of Use: Suitable for low to medium power applications with minimal external components needed.
These features make the NCP1055ST100T3G ideal for use in compact, high-efficiency power supply designs, such as adapters, chargers, and auxiliary power supplies.
1. Integrated MOSFET: Includes a high-voltage power MOSFET, minimizing the need for external components.
2. Wide Input Voltage Range: Supports a wide range of input voltages, making it versatile for various applications.
3. Current Mode Control: Utilizes current mode control for improved performance and stability.
4. Low Standby Power: Designed for low standby power consumption, enhancing energy efficiency.
5. Protection Features: Offers multiple protection features such as overcurrent protection (OCP), overvoltage protection (OVP), and thermal shutdown to ensure reliability and safety.
6. Fixed Frequency Operation: Operates at a fixed frequency, which simplifies the EMI filtering process.
7. Ease of Use: Suitable for low to medium power applications with minimal external components needed.
These features make the NCP1055ST100T3G ideal for use in compact, high-efficiency power supply designs, such as adapters, chargers, and auxiliary power supplies.
Pinout
The NCP1055ST100T3G is a monolithic high-voltage switching regulator from ON Semiconductor designed for low-power offline switch-mode power supplies (SMPS). It is commonly used in applications such as auxiliary power supplies and standby power circuits.
This device typically comes in a standard SOT-223 package, which features three pins plus a tab (commonly referred to as a 3-pin plus tab configuration). The functions of these pins are:
1. Pin 1 (Drain): This pin is connected to the high-voltage MOSFET drain. It interfaces with the primary winding of the transformer and is responsible for switching the primary current.
2. Pin 2 (Source): This is the ground reference point for the device. It acts as the source connection for the internal MOSFET.
3. Pin 3 (Feedback): This pin is used for voltage feedback and regulation. It typically connects to an optocoupler or other feedback mechanism to maintain the output voltage within the desired range.
4. Tab (also Source): The tab is electrically connected to the Source pin and is used for heat dissipation as well as providing a mechanical mount.
These features make the NCP1055ST100T3G suitable for a range of low-power applications requiring efficient and compact power regulation solutions.
This device typically comes in a standard SOT-223 package, which features three pins plus a tab (commonly referred to as a 3-pin plus tab configuration). The functions of these pins are:
1. Pin 1 (Drain): This pin is connected to the high-voltage MOSFET drain. It interfaces with the primary winding of the transformer and is responsible for switching the primary current.
2. Pin 2 (Source): This is the ground reference point for the device. It acts as the source connection for the internal MOSFET.
3. Pin 3 (Feedback): This pin is used for voltage feedback and regulation. It typically connects to an optocoupler or other feedback mechanism to maintain the output voltage within the desired range.
4. Tab (also Source): The tab is electrically connected to the Source pin and is used for heat dissipation as well as providing a mechanical mount.
These features make the NCP1055ST100T3G suitable for a range of low-power applications requiring efficient and compact power regulation solutions.
Manufacturer
The NCP1055ST100T3G is manufactured by ON Semiconductor, now known as onsemi. Onsemi is a leading supplier in the semiconductor industry, specializing in a diverse range of high-performance, energy-efficient solutions. The company produces a wide array of semiconductor components, including power management, analog, sensors, logic, timing, connectivity, and discrete devices. These components are used in various applications across industries such as automotive, industrial, communications, computing, and consumer electronics. Onsemi is recognized for its commitment to innovation and sustainability, making significant contributions to the advancement of technology and the reduction of energy consumption in electronic devices.
Application
The NCP1055ST100T3G is a monolithic high-voltage switching regulator designed for use in power supply applications. Its primary application areas include:
1. AC-DC Converters: Suitable for small power adapters and chargers.
2. Standby Power Supplies: Used in TVs, monitors, and audio systems.
3. Industrial Controls: Supports control systems requiring efficient power management.
4. Home Appliances: Powers embedded systems within various household devices.
5. Lighting: Utilized in LED driver circuits for efficient energy conversion.
6. IoT Devices: Provides power solutions for smart home and connected devices.
These areas benefit from the device's integrated high-voltage capabilities and efficiency.
1. AC-DC Converters: Suitable for small power adapters and chargers.
2. Standby Power Supplies: Used in TVs, monitors, and audio systems.
3. Industrial Controls: Supports control systems requiring efficient power management.
4. Home Appliances: Powers embedded systems within various household devices.
5. Lighting: Utilized in LED driver circuits for efficient energy conversion.
6. IoT Devices: Provides power solutions for smart home and connected devices.
These areas benefit from the device's integrated high-voltage capabilities and efficiency.
Package
The NCP1055ST100T3G is typically available in a TO-220 package, which is a through-hole type with three leads. This package is designed for easy mounting and efficient heat dissipation, commonly used for electronic components such as voltage regulators and power transistors.
