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Description
SMPS Controller
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High Performance Current Mode Controllers
The UC3844, UC3845 series are high performance fixed frequency current mode controllers. They are specifically designed for Off - Line and dc - to - dc converter applications offering the designer a cost effective solution with minimal external components. These integrated circuits feature an oscillator, a temperature compensated reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET.
● Current Mode Operation to 500 kHz Output Switching Frequency
● Output Deadtime Adjustable from 50% to 70%
● Automatic Feed Forward Compensation
● Latching PWM for Cycle - By - Cycle Current Limiting
● Internally Trimmed Reference with Under voltage Lockout
● High Current Totem Pole Output
● Input Under voltage Lockout with Hysteresis
● Low Startup and Operating Current
● Direct Interface with Motorola SENSEFET Products
Preview of the first 3 pages of the data sheet
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11 buyer reviews from Singapore
Sarah Jackson
Length of registration:7 years
I recently purchased the IC UC3845N from your company and I am very pleased with the product. It has been working perfectly in my circuit and has been providing reliable performance. The features of the IC are exactly what I was looking for and it has been a great addition to my project. I appreciate the quality of the product and the customer service I received from your company. Thank you for yo
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03/17/2023
luis portocarrero troncos
Length of registration:5 years
llego ok
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07/10/2018
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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.
UC3845N
UC3845N has several brands around the world that may have alternate names for UC3845N due to regional differences or acquisition. UC3845N may also be known as the following names:
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Stock Status: 10000
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Unit Price:0.76796
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Stop production experts, we can provide a large number of electronic components that have been stopped production and are difficult to find, to facilitate the maintenance company
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