NCP1217P65
Product Overview
Category
The NCP1217P65 belongs to the category of integrated circuit (IC) controllers.
Use
It is commonly used as a PWM controller for offline power supplies.
Characteristics
- High efficiency
- Low standby power consumption
- Overvoltage protection
- Overcurrent protection
Package
The NCP1217P65 is available in a PDIP-7 package.
Essence
This IC is essential for regulating and controlling the power supply in various electronic devices.
Packaging/Quantity
The NCP1217P65 is typically packaged in reels with quantities varying based on manufacturer specifications.
Specifications
- Input Voltage: 8V to 20V
- Output Voltage: 5V to 24V
- Operating Temperature: -40°C to 125°C
- Frequency Range: 50kHz to 300kHz
Detailed Pin Configuration
- VCC
- GND
- CS
- RT
- CT
- DRAIN
- COMP
Functional Features
- Current Mode Control
- Soft Start
- Frequency Foldback
- External Synchronization
Advantages
- High efficiency leads to reduced power consumption
- Overvoltage and overcurrent protection enhance system reliability
- Wide input and output voltage range for versatile applications
Disadvantages
- Limited frequency range may not be suitable for certain applications
- Requires external components for full functionality
Working Principles
The NCP1217P65 operates by regulating the duty cycle of the power supply through feedback control mechanisms, ensuring stable and efficient power delivery to the load.
Detailed Application Field Plans
The NCP1217P65 is widely used in: - AC-DC power adapters - LED lighting drivers - Auxiliary power supplies - Industrial power systems
Detailed and Complete Alternative Models
- NCP1217
- NCP1217A
- NCP1217B
- NCP1217C
In conclusion, the NCP1217P65 is a versatile and efficient PWM controller that plays a crucial role in regulating power supplies across various electronic devices and systems.
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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av NCP1217P65 i tekniska lösningar
What is NCP1217P65?
- NCP1217P65 is a PWM controller IC designed for use in power supply applications, particularly in offline flyback converters.
What are the key features of NCP1217P65?
- The key features of NCP1217P65 include a high-voltage start-up current source, a jittered switching frequency to reduce EMI, and built-in protections such as overvoltage and overcurrent protection.
What is the typical application of NCP1217P65?
- NCP1217P65 is commonly used in AC-DC power supplies, LED drivers, and other applications requiring a non-isolated flyback converter.
What is the maximum operating voltage of NCP1217P65?
- The maximum operating voltage of NCP1217P65 is typically around 700V.
How does NCP1217P65 help in reducing electromagnetic interference (EMI)?
- NCP1217P65 incorporates a jittered switching frequency, which helps in reducing EMI emissions.
What are the recommended input and output capacitor values for NCP1217P65?
- The recommended input and output capacitor values for NCP1217P65 depend on the specific application and design requirements. It's important to refer to the datasheet and application notes for detailed guidance.
Does NCP1217P65 have built-in protection features?
- Yes, NCP1217P65 includes built-in protections such as overvoltage and overcurrent protection to enhance system reliability.
Can NCP1217P65 be used in dimmable LED driver applications?
- Yes, NCP1217P65 can be used in dimmable LED driver applications with appropriate circuit design and considerations for dimming control.
What are the typical efficiency levels achievable with NCP1217P65-based designs?
- The typical efficiency levels achievable with NCP1217P65-based designs can vary based on the specific application and operating conditions. Generally, it offers good efficiency when properly implemented.
Are there any application notes or reference designs available for NCP1217P65?
- Yes, ON Semiconductor provides application notes and reference designs for NCP1217P65 to assist designers in implementing the IC effectively in various technical solutions.