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NCV8508DW50R2 Datasheet(PDF) 4 Page - ON Semiconductor |
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NCV8508DW50R2 Datasheet(HTML) 4 Page - ON Semiconductor |
4 / 12 page NCV8508 http://onsemi.com 4 PACKAGE PIN DESCRIPTION PACKAGE PIN # D2PAK−7 SO−16L PIN SYMBOL FUNCTION 1 8 VOUT Regulated output voltage ± 3.0%. 2 9 VIN Supply Voltage to the IC. 3 11 WDI CMOS compatible input lead. The Watchdog function monitors the falling edge of the incoming signal. 4 4, 5, 12, 13 GND Ground connection. 5 14 Wakeup CMOS compatible output consisting of a continuously generated signal used to “wake up” the microprocessor from sleep mode. 6 15 RESET CMOS compatible output lead RESET goes low whenever VOUT drops by more than 7.0% from nominal, or during the absence of a correct Watchdog signal. 7 16 Delay Buffered bandgap voltage used to create timing current for RESET and Wakeup from RDelay. − 1−3, 6, 10 NC No Connection. − 7 Sense Kelvin connection which allows remote sensing of the output voltage for improved regulation. Connect to VOUT if remote sensing is not required. + − Wakeup Circuit Timing Circuit Falling Edge Detect Watchdog Circuit Thermal Shutdown Current Limit Charge Pump Bandgap Reference VIN RESET VOUT Wakeup WDI Delay Figure 2. Block Diagram − + 1.25 V 11 V Internally connected on 7 lead D2PAK Sense |
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