NCP1205P
Single Ended Quasi Switching ControllersNCP1205P
Single Ended Quasi Switching Controllers
Quality Assurance
Quality Assurance
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Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
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NCP1205P DataSheet
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Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Engineered for maximum performance and safety, the NCP1205P is a standout choice for switch mode power supply applications. Its advanced features, coupled with a wide input voltage range and compact packaging, make it a compelling solution for engineers and designers seeking a highly efficient and reliable PWM controller IC
Key Features
- Natural Drain Valley Switching for Lower EMI and Quasi−Resonant
- Operation (QR)
- Smooth Frequency Foldback for Low Standby and Minimum Ripple
- at Light−Load
- Adjustable Maximum Switching Frequency
- Internal 200 ns Leading Edge Blanking on Current Sense
- 250 mA Sink and Source Driver
- Wide Operating Voltages: 8.0 to 30 V
- Wide UVLO Levels: 7.2 to 15 V Typical
- Auto−Recovery Internal Short−Circuit Protection (OCP)
- Integrated 3.0 mA Typ Startup Source
- Current Mode Control
- Adjustable Overvoltage Level
- Pb−Free Packages are Available
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Rohs Code | No | Part Life Cycle Code | Obsolete |
Part Package Code | DIP | Pin Count ! | 8 |
Reach Compliance Code | not_compliant | ECCN Code | EAR99 |
HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | SWITCHING CONTROLLER |
Control Mode | CURRENT-MODE | Control Technique | PULSE WIDTH MODULATION |
Input Voltage-Max | 30 V | Input Voltage-Min | 8 V |
Input Voltage-Nom | 12 V | JESD-30 Code | R-PDIP-T8 |
JESD-609 Code | e0 | Length | 9.78 mm |
Number of Functions | 1 | Number of Terminals | 8 |
Operating Temperature-Max | 85 °C | Operating Temperature-Min | -25 °C |
Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
Package Equivalence Code | DIP8,.3 | Package Shape | RECTANGULAR |
Package Style | IN-LINE | Peak Reflow Temperature (Cel) | 235 |
Qualification Status ! | Not Qualified | Seated Height-Max | 4.45 mm |
Surface Mount ! | NO | Switcher Configuration | SINGLE |
Switching Frequency-Max | 125 kHz | Technology | CMOS |
Temperature Grade ! | OTHER | Terminal Finish | TIN LEAD |
Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
Terminal Position | DUAL | Width | 7.62 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is NCP1205P?
The NCP1205P is a PWM switching controller designed by ON Semiconductor. It is commonly used in AC-DC power supplies, LED drivers, and other power management applications. The controller offers features such as overvoltage protection, overcurrent protection, and power factor correction, making it suitable for various power supply designs.
How Does NCP1205P Work?
The NCP1205P operates by regulating the switching of the power supply to control the output voltage. It utilizes pulse-width modulation (PWM) to adjust the duty cycle of the switching signal, allowing precise regulation of the output voltage. The controller also incorporates protection features to ensure safe and reliable operation of the power supply.
How Many Pins does NCP1205P have and What are the Functions of the Pinout Configuration?
The NCP1205P is available in an 8-pin PDIP (Plastic Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- VCC: Power supply pin for the controller.
- FB: Feedback pin for regulating the output voltage.
- SYNC: Synchronization pin for external clock input.
- COMP: Compensation pin for setting the control loop response.
- CS: Current sense input pin for overcurrent protection.
- DRV: Gate driver output pin for the power switch.
- GND: Ground pin.
What are the Pros and Cons of NCP1205P?
Pros:
- Wide Application Range: Suitable for various power supply and LED driver applications.
- Protection Features: Incorporates overvoltage and overcurrent protection for enhanced safety.
- Flexible Package Options: Available in PDIP or SOIC packages for design flexibility.
- Efficiency: Helps in achieving high-efficiency power supply designs.
Cons:
- External Components: May require external components for specific power supply configurations.
- Complexity: Designers need to consider factors such as loop compensation and EMI reduction for optimal performance.
- Component Count: Requires additional external components, potentially increasing the overall component count in the system.
Are There Any Equivalents/Alternatives to NCP1205P for Recommendation?
- The UC3842 from Texas Instruments is a similar PWM controller commonly used in power supply designs.
- Alternatives to the NCP1205P include the TOPSwitch series from Power Integrations and the FAN7601 from Fairchild Semiconductor.
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