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NCP1236BD100R2G Datasheet(PDF) 2 Page - ON Semiconductor |
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NCP1236BD100R2G Datasheet(HTML) 2 Page - ON Semiconductor |
2 / 34 page NCP1236 http://onsemi.com 2 TYPICAL APPLICATION EXAMPLE VOUT VIN (dc) NCP1236 LATCH FB CS GND HV VCC DRV Figure 1. Flyback Converter Application Using the NCP1236 OPTIONS Part Option Frequency OCP Fault Fault Timer Autorecovery Timer NCP1236 A 65 kHz Latched 128 ms 1 s A 100 kHz Latched 128 ms 1 s B 65 kHz Autorecovery 128 ms 1 s B 100 kHz Autorecovery 128 ms 1 s C 65 kHz Latched 32 ms 1.5 s C 100 kHz Latched 32 ms 1.5 s D 65 kHz Autorecovery 32 ms 1.5 s D 100 kHz Autorecovery 32 ms 1.5 s PIN FUNCTION DESCRIPTION Pin No Pin Name Function Pin Description 1 LATCH Latch−Off Input Pull the pin up or down to latch−off the controller. An internal current source allows the direct connection of an NTC for over temperature detection 2 FB Feedback An optocoupler collector to ground controls the output regulation. 3 CS Current Sense This Input senses the Primary Current for current−mode operation, and Offers an overpower compensation adjustment. 4 GND IC Ground 5 DRV Drive output Drives external MOSFET 6 VCC VCC input This supply pin accepts up to 28 Vdc, with overvoltage detection 8 HV High−voltage pin Connects to the bulk capacitor or the rectified AC line to perform the functions of Start−up Current Source, Dynamic Self−Supply and brown−out detection |
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