Overview
The NCP1014AP100G 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 high-voltage 700 V MOSFET, making it a comprehensive solution for building rugged and low-cost power supplies. The NCP1014AP100G is housed in an 8-pin PDIP-7 or 4-pin SOT-223 package, offering features such as soft-start, frequency jittering, short-circuit protection, and skip-cycle operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | PDIP-7, SOT-223 | - |
| MOSFET Breakdown Voltage | 700 | V |
| RDSon (Typical) | 11 | Ω |
| Peak Current Setpoint | 450 | mA |
| Operating Frequency | 100 | kHz |
| Maximum Junction Temperature | 150 | °C |
| Storage Temperature Range | -60 to +150 | °C |
| Internal Pull-up Resistor | 18 | kΩ |
| Soft-Start Time | 1.0 | ms |
| Temperature Shutdown | 140 to 160 | °C |
Key Features
- Integrated 700 V MOSFET: With a typical RDSon of 11 Ω, providing high efficiency and reliability.
- Dynamic Self-Supply (DSS): Eliminates the need for an auxiliary winding, simplifying transformer design and improving control in difficult output conditions.
- Soft-Start and Frequency Jittering: Reduces electromagnetic interference (EMI) and ensures smooth startup.
- Short-Circuit Protection: Patented internal protection circuitry monitors and responds to error flags, ensuring safe operation during short-circuit conditions.
- Skip-Cycle Operation: Optimizes efficiency by skipping cycles when the load is light.
- Low Standby Power: Designed to minimize power consumption during standby mode.
Applications
The NCP1014AP100G is suitable for a variety of applications requiring efficient and reliable power supply solutions, including:
- Offline Switch-Mode Power Supplies (SMPS)
- Consumer Electronics
- Industrial Power Supplies
- LED Lighting Systems
- Home Appliances
Q & A
- What is the typical RDSon of the MOSFET in the NCP1014AP100G?
The typical RDSon of the MOSFET is 11 Ω.
- What is the operating frequency of the NCP1014AP100G?
The operating frequency is 100 kHz.
- Does the NCP1014AP100G require an auxiliary winding?
No, it features Dynamic Self-Supply (DSS), which eliminates the need for an auxiliary winding.
- What is the peak current setpoint for the NCP1014AP100G?
The peak current setpoint is 450 mA.
- How does the NCP1014AP100G handle short-circuit conditions?
The component has internal protection circuitry that monitors and responds to error flags during short-circuit conditions.
- What is the maximum junction temperature for the NCP1014AP100G?
The maximum junction temperature is 150°C.
- What is the storage temperature range for the NCP1014AP100G?
The storage temperature range is -60 to +150°C.
- Does the NCP1014AP100G support skip-cycle operation?
- What is the purpose of the soft-start feature in the NCP1014AP100G?
The soft-start feature reduces electromagnetic interference (EMI) and ensures a smooth startup.
- What are some common applications for the NCP1014AP100G?
Common applications include offline SMPS, consumer electronics, industrial power supplies, LED lighting systems, and home appliances.
