Overview
The NCP1014AP065G is a part of the NCP101X series from onsemi, designed as a self-supplied monolithic switcher for low standby-power offline Switch-Mode Power Supplies (SMPS). This component integrates a fixed-frequency current-mode controller and a 700 V MOSFET, making it a comprehensive solution for building rugged and low-cost power supplies. The NCP1014AP065G is housed in a PDIP-7 or SOT-223 package and features advanced functionalities such as soft-start, frequency jittering, short-circuit protection, and skip-cycle operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | PDIP-7 or SOT-223 | |
| Drain Voltage | -0.3 to 700 | V |
| Peak Current Setpoint | 405 to 450 to 495 | mA |
| Operating Frequency | 65 kHz | kHz |
| Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | -60 to +150 | °C |
| ESD Capability (Human Body Model) | 2.0 kV | |
| ESD Capability (Machine Model) | 200 V | |
| Internal Pull-up Resistor | 18 kΩ | kΩ |
| Maximum Duty Cycle | 62 to 67 to 72 % | % |
| Temperature Shutdown | 140 to 150 to 160 °C | °C |
Key Features
- Integrated Current-Mode Controller and 700 V MOSFET: Combines the controller and power MOSFET in a single monolithic structure, simplifying the design of SMPS.
- Dynamic Self-Supply (DSS): Allows the IC to be powered directly from the high-voltage DC rail, eliminating the need for an auxiliary winding and simplifying transformer design.
- Low Standby Power: Optimized for low standby power consumption, making it suitable for energy-efficient applications.
- Soft-Start and Frequency Jittering: Reduces electromagnetic interference (EMI) and ensures smooth startup.
- Short-Circuit Protection: Features a patented internal protection circuitry that monitors and responds to short-circuit conditions.
- Skip-Cycle Operation: Automatically adjusts the switching frequency to maintain efficiency under light load conditions.
- Internal Startup Current Source: Ensures reliable startup by charging the VCC capacitor from the drain pin.
- Temperature Shutdown and Hysteresis: Protects the device from overheating with a temperature shutdown feature and hysteresis to prevent oscillations.
Applications
- Offline Switch-Mode Power Supplies (SMPS): Ideal for building low-cost and rugged power supplies with low standby power consumption.
- Consumer Electronics: Suitable for power supplies in consumer electronics such as TVs, monitors, and other household appliances.
- Industrial Power Supplies: Used in industrial applications requiring reliable and efficient power conversion.
- LED Lighting: Can be used in LED lighting systems that require constant current operations.
Q & A
- What is the NCP1014AP065G used for?
The NCP1014AP065G is used for building low standby-power offline Switch-Mode Power Supplies (SMPS).
- What package types are available for the NCP1014AP065G?
The NCP1014AP065G is available in PDIP-7 and SOT-223 packages.
- What is the maximum drain voltage of the NCP1014AP065G?
The maximum drain voltage is 700 V.
- What are the peak current setpoints for the NCP1014AP065G?
The peak current setpoints range from 405 to 495 mA.
- What is the operating frequency of the NCP1014AP065G?
The operating frequency is 65 kHz.
- Does the NCP1014AP065G have built-in short-circuit protection?
Yes, it features a patented internal protection circuitry for short-circuit conditions.
- How does the Dynamic Self-Supply (DSS) feature work?
The DSS allows the IC to be powered directly from the high-voltage DC rail, eliminating the need for an auxiliary winding.
- What is the maximum junction temperature for the NCP1014AP065G?
The maximum junction temperature is 150°C.
- Does the NCP1014AP065G support skip-cycle operation?
Yes, it automatically adjusts the switching frequency to maintain efficiency under light load conditions.
- What is the purpose of the internal startup current source?
The internal startup current source ensures reliable startup by charging the VCC capacitor from the drain pin.
