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NCP4355 Datasheet(PDF) 4 Page - ON Semiconductor |
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NCP4355 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 17 page NCP4355 http://onsemi.com 4 PIN FUNCTION DESCRIPTION NCP4355A NCP4355B NCP4355C Pin Name Description 8 8 8 VCC Supply voltage pin 7 7 7 GND Ground 1 1 1 VSNS Output voltage sensing pin, connected to output voltage divider 2 2 2 OFFDET OFF mode detection input. Voltage divider provides adjustable off mode detection threshold − 3 3 VMIN Minimum output voltage adjustment 3 − 4 ISNS Current sensing input for output current regulation, connect it to shunt resistor in ground branch. 4 4 − LED PWM LED driver output. Connected to LED cathode with current define by external serial resistance 6 6 6 FBC Output of current sinking OTA amplifier or amplifiers driving feedback op- tocoupler’s LED. Connect here compensation network (networks) as well. 5 5 5 ON/OFF ON mode current sink. This output keeps primary control pin at low level in on mode. ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage VCC −0.3 to 40.0 V ON/OFF, FBC, LED Voltage VONOFF, VFBC, VLED −0.3 to VCC + 0.3 V VSNS, ISNS, OFFDET, VMIN Voltage VSNS, VISNS, VOFFDET, VMIN −0.3 to 10.0 V LED Current ILED 10 mA Junction Temperature TJ −40 to 150 °C Storage Temperature TSTG −60 to 150 °C ESD Capability, Human Body Model (Note 1) ESDHBM 2000 V ESD Capability, Machine Model (Note 1) ESDMM 250 V Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. This device series incorporates ESD protection and is tested by the following methods: ESD Human Body Model tested per JESD22−A114F ESD Machine Model tested per JESD22−A115C Latchup Current Maximum Rating tested per JEDEC standard: JESD78D. |
Similar Part No. - NCP4355_12 |
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Similar Description - NCP4355_12 |
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