Overview
The NCP1060BD060R2G, produced by onsemi, is a high-voltage switcher integrated circuit designed for low power offline Switch-Mode Power Supplies (SMPS). This component integrates a fixed frequency current mode controller with a 700 V MOSFET, offering a high level of integration and robust protection features. It is available in various packages, including PDIP-7, SOIC-10, and SOIC-16, making it versatile for different application needs.
The NCP1060BD060R2G is known for its quiet operation, automatically entering frequency foldback and skip modes to enhance efficiency at light loads and reduce standby consumption. It features dynamic self-supply, eliminating the need for an auxiliary winding, and includes overvoltage protection, short-circuit protection, and over power protection (OPP) to ensure reliable operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| RDS(on) | 34 Ω | Ω |
| Operating Frequency | 60 kHz | kHz |
| Maximum Internal Current Setpoint (IIPK(0)) | 300 mA | mA |
| Drain Voltage (BVdss) | 0.3 to 700 V | V |
| Thermal Resistance (Junction-to-Air) - PDIP7 | 115 °C/W | °C/W |
| VCC(on) Level | 8.4 to 9.5 V | V |
| VCC(off) Level | 6.7 to 7.2 V | V |
| Temperature Shutdown (TSD) | 150 to 163 °C | °C |
Key Features
- Integrated 700 V MOSFET: With RDS(on) of 34 Ω, enabling the design of power supplies up to 7.8 W or 15.5 W on universal mains.
- Current-Mode Fixed Frequency Operation: Available at 60 kHz or 100 kHz, with the option for 130 kHz on demand.
- Adjustable Peak Current: Allows for flexible design and optimization of the power supply.
- Dynamic Self-Supply: Eliminates the need for an auxiliary winding, reducing component count and complexity.
- Protection Features: Includes overvoltage protection with auto-recovery, short-circuit protection, and over power protection (OPP).
- Soft-Start and Frequency Jittering: Enhances reliability and reduces electromagnetic interference (EMI).
- Low Standby Power: Reduces input power consumption below 50 mW at high line, improving overall efficiency.
Applications
- Auxiliary / Standby Isolated and Non-Isolated Power Supplies: Suitable for various standby power supply designs.
- Power Meter SMPS: Ideal for power meter applications requiring efficient and reliable power conversion.
- Wide Vin Low Power Industrial SMPS: Applicable in industrial settings where a wide input voltage range is necessary.
Q & A
- What is the operating frequency of the NCP1060BD060R2G?
The NCP1060BD060R2G operates at a fixed frequency of 60 kHz, with options for 100 kHz and 130 kHz on demand.
- What is the RDS(on) of the integrated MOSFET in the NCP1060BD060R2G?
The RDS(on) of the integrated MOSFET is 34 Ω.
- What protection features are included in the NCP1060BD060R2G?
The component includes overvoltage protection with auto-recovery, short-circuit protection, and over power protection (OPP).
- How does the dynamic self-supply feature work?
The dynamic self-supply feature eliminates the need for an auxiliary winding by using an internal high-voltage current source to provide the startup current necessary to crank the power supply.
- What is the typical maximum output power for the NCP1060BD060R2G?
The typical maximum output power is up to 7.8 W or 15.5 W on universal mains, depending on the configuration.
- How does the NCP1060BD060R2G reduce standby power consumption?
The component reduces standby power consumption by entering frequency foldback and skip modes at light loads, and by stopping the dynamic self-supply operation when an auxiliary winding is connected.
- What are the typical applications for the NCP1060BD060R2G?
Typical applications include auxiliary/standby isolated and non-isolated power supplies, power meter SMPS, and wide Vin low power industrial SMPS.
- What is the thermal resistance of the PDIP-7 package?
The thermal resistance (Junction-to-Air) for the PDIP-7 package is 115 °C/W.
- What is the temperature shutdown (TSD) range for the NCP1060BD060R2G?
The temperature shutdown (TSD) range is between 150 to 163 °C.
- How does the soft-start feature enhance the reliability of the NCP1060BD060R2G?
The soft-start feature helps in gradually increasing the output voltage, reducing the stress on components during startup and enhancing overall reliability.
