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NCP4308DMTTWG Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP4308DMTTWG Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 29 page NCP4308 www.onsemi.com 4 PIN FUNCTION DESCRIPTION ver. A, B, C, D ver. Q Pin Name Description 1 1 VCC Supply voltage pin 2 2 MIN_TOFF Adjust the minimum off time period by connecting resistor to ground. 3 3 MIN_TON Adjust the minimum on time period by connecting resistor to ground. 4 4 NC Leave this pin opened or tie it to ground. 5 − NC Leave this pin opened or tie it to ground. 6 6 CS Current sense pin detects if the current flows through the SR MOSFET and/or its body diode. Basic turn−off detection threshold is 0 mV. A resistor in series with this pin can decrease the turn off threshold if needed. 7 7 GND Ground connection for the SR MOSFET driver, VCC decoupling capacitor and for mini- mum on and off time adjust resistors. GND pin should be wired directly to the SR MOSFET source terminal/soldering point using Kelvin connection. DFN8 exposed flag should be connected to GND 8 8 DRV Driver output for the SR MOSFET − 5 MAX_TON Adjust the maximum on time period by connecting resistor to ground. Minimum ON time generator MIN_TON CS detection 100 mA CS MIN_TOFF NC CS_ON CS_OFF DRV VCC GND VCC managment UVLO DRV Out DRIVER VDD VDD CS_RESET NC ADJ ELAPSED EN Minimum OFF time generator ADJ RESET ELAPSED Control logic EN Figure 5. Internal Circuit Architecture − NCP4308A, B, C, D |
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Similar Description - NCP4308DMTTWG |
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