BCT3844S
BCT3844S
Current Mode Power Supply Control IC from BlueChips Technology
Features
The BCT3844S control IC provides pin-for-pin replacement of the industry standard UC3844 series of devices. The devices are redesigned to provide significantly improved tolerances in power supply manufacturing. The 2.5 V reference has been trimmed to 1.0% tolerance. The oscillator discharge current is trimmed to provide guaranteed duty cycle clamping rather than specified discharged current. The circuit is more completely specified to guarantee all parameters impacting power supply manufacturing tolerances.
In addition, the oscillator and flip-flop sections have been enhanced to provide additional performance. The RT/CT pin now doubles as a synchronization input that can be easily driven from open collector/open drain logic inputs. This sync input is a high impedance input and can easily be used for externally clocked systems.
The new flip-flop topology allows the duty cycle on the BCT3844S to be guaranteed between 49% and 50%.
Support documents for the BCT3844S
Below is the support information available for the BCT3844S - select a link to download the relevant documentation.
DATA-0454 - Product Datasheet
Datasheet for the BlueChips BCT384x range of Current Mode Power Supply Control ICs
Dated : 14 January 2009 ( Uploaded )
Relevant to : BCT3842N / BCT3842S / BCT3843N / BCT3843S / BCT3844N / BCT3844S / BCT3845N / BCT3845S
News information for the BCT3844S
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