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NCP4328 Datasheet(PDF) 3 Page - ON Semiconductor |
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NCP4328 Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 10 page NCP4328 http://onsemi.com 3 PIN FUNCTION DESCRIPTION NCP4328A TSOP−5 NCP4328B TSOP−6 Pin Name Description 1 1 VCC Supply voltage pin 2 2 GND Ground 5 6 VSNS Output voltage sensing pin, connected to output voltage divider 4 4 ISNS Current sensing input for output current regulation, connect it to shunt resistor in ground branch. − 5 LED PWM LED driver output. Connected to LED cathode with current define by external serial resistance 3 3 FBC Output of current sinking OTA amplifiers driving feedback optocoupler’s LED. Connect here compensation networks as well. ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage VCC −0.3 to 40.0 V FBC, LED Voltage VFBC, VLED −0.3 to VCC + 0.3 V VSNS, ISNS Voltage VSNS,VISNS −0.3 to 10.0 V LED Current ILED 10 mA Thermal Resistance − Junction−to−Air (Note 1) RqJA 315 °C/W Junction Temperature TJ −40 to 150 °C Storage Temperature TSTG −55 to 125 °C ESD Capability, Human Body Model (Note 2) ESDHBM 2000 V ESD Capability, Machine Model (Note 2) 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. 50 mm2, 1.0 oz. Copper spreader. 2. 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. |
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