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Utsource certified used parts provide the following guarantees:
1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
2. Some parts are tested by machine.
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Description
Single Ended PWM Controller Featuring QR Operation and Soft Frequency Foldback
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The NCP1205 combines a true Current Mode Control modulator and a demagnetization detector to ensure full Discontinuous Conduction Mode in any load/line conditions and minimum drain voltage switching (Quasi-Resonant operation, also called critical conduction operation). With its inherent Variable Frequency Mode (VFM), the controller decreases its operating frequency at constant peak current whenever the output power demand diminishes.
Associated with automatic multiple valley switching, this unique architecture guarantees minimum switching losses and the lowest power drawn from the mains when operating at no-load conditions. Thus,the NCP1205 is optimal for applications targeting the newest International Energy Agency (IEA) recommendations for standby power.
The internal High-Voltage current source provides a reliable charging path for the VCC capacitor and ensures a clean and short start-up sequence without deteriorating the efficiency once off.
The continuous feedback signal monitoring implemented with an Over-Current fault Protection circuitry (OCP) makes the final design rugged and reliable. An internal Over Voltage Protection (OVP) circuit continuously monitors the VCC pin and stops the IC whenever its level exceeds 36 V.The DIP14 offers an adjustable version of the OVP threshold via an external resistive network.
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
● Aajustable Miaximum Switching Frequency
● Internal 200 ns Leading Edge Blanking on Current Sense.
● 250 mA Sink and Source Driver
● Wide Operating Voltages: 8.0 to 36V
● Wide UVLO Levels: 7.2 to 15V Typical
● Auto-Recovery Internal Short-Circuit Protection (OCP)
● Integrated 3.0 mA Typ. Start-Up Source
● Current Mode Control
● Adjustable Over-Voltage Level
● Available in DIP8 and DIP14 Package
Applications
● High Power AC/DC Adapters for Notebooks, etc.
● Offline Battery Chargers
● Power Supplies for DVD, CD Players,TVs, Set-Top Boxes, etc.
● Auxiliary Power Supplies (USB,Appliances, etc.)
Preview of the first 3 pages of the data sheet
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10000 buyer reviews from United States
Ryan Hill
Length of registration:7 years
I recently tested the integrated circuit NCP1205P from Utsource, and I am very pleased with the results. The circuit was easy to install and worked perfectly. The performance was excellent, and I was able to get the desired results quickly and easily. I would highly recommend this product to anyone looking for an integrated circuit with great performance.
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03/17/2023
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Warranty
All UTSOURCE purchases have a 60 days money back return policy, plus a 90 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
NCP1205P
NCP1205P has several brands around the world that may have alternate names for NCP1205P due to regional differences or acquisition. NCP1205P may also be known as the following names:
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Stock Status: 10000
Minimum: 2
Total Price:
Unit Price:2.46600
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