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Now downloading free:Fairchild UC384x  [report bad file]  

Download Fairchild UC384x docs - Electronic circuits, electronic components datasheets and schematics

File information:
File name:UC384x.pdf
Size:127 kB
Extension:
MD5 Checksum:e612a1e397d1cd6d4ac6b101e169c597
Mfg:

Fairchild

Model:

UC384x

Original Chassis:
Descr:Datasheet: SMPS Controller
Group:Electronics > Components > Integrated circuits >
Uploaded:2005-04-01 06:36:53
User:dupator
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:1
File nameText
UC384x.pdfwww.fairchildsemi.com UC3842/UC3843/UC3844/UC3845 SMPS Controller Features Low Start up Current Maximum Duty Clamp UVLO With Hysteresis Operating Frequency up to 500KHz Description The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They are specially designed for Off-Line and DC to DC converter applications with minimum external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control, a temperature compensated reference, high gain error amplifier, current sensing comparator and a high current totempole output for driving a Power MOSFET. The UC3842 and UC3844 have UVLO thresholds of 16V (on) and 10V (off). The UC3843 and UC3845 are 8.5V(on) and 7.9V (off). The UC3842 and UC3843 can operate within 100% duty cycle. The UC3844 and UC3845 can operate with 50% duty cycle. 8-DIP 8-SOP 1 1 14-SOP 1 Internal Block Diagram * NORMALLY 8DIP/8SOP PIN NO. * ( ) IS 14SOP PINNO. * TOGGLE FLIP FLOP USED ONLY IN UC384

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