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NCV8871 Datasheet(PDF) 3 Page - ON Semiconductor |
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NCV8871 Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 12 page NCV8871 http://onsemi.com 3 ABSOLUTE MAXIMUM RATINGS (Voltages are with respect to GND, unless otherwise indicated) Rating Value Unit Dc Supply Voltage (VIN) −0.3 to 40 V Peak Transient Voltage (Load Dump on VIN) 45 V Dc Supply Voltage (VDRV, GDRV) 12 V Peak Transient Voltage (VFB) −0.3 to 6 V Dc Voltage (VC, VFB, ISNS) −0.3 to 3.6 V Dc Voltage (EN/SYNC) −0.3 to 6 V Dc Voltage Stress (VIN − VDRV)* −0.7 to 45 V Operating Junction Temperature −40 to 150 °C Storage Temperature Range −65 to 150 °C Peak Reflow Soldering Temperature: Pb−Free, 60 to 150 seconds at 217°C 265 peak °C 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. *An external diode from the input to the VIN pin is required if bootstrapping VDRV and VIN off of the output voltage. PACKAGE CAPABILITIES Characteristic Value Unit ESD Capability (All Pins) Human Body Model Machine Model w2.0 w200 kV V Moisture Sensitivity Level 1 − Package Thermal Resistance Junction−to−Ambient, RqJA (Note 1) 100 °C/W 1. 1 in2, 1 oz copper area used for heatsinking. Device Variations The NCV8871 features several variants to better fit a multitude of applications. The table below shows the typical values of parameters for the parts that are currently available. TYPICAL VALUES Part No. Dmax fs tss Sa Vcl Isrc Isink VDRV SCE NCV887100 88% 170 kHz 7.4 ms 53 mV/ms 400 mV 800 mA 600 mA 10.5 V Y NCV887101 86% 1000 kHz 1.25 ms 16 mV/ms 400 mV 575 mA 350 mA 6.3 V Y NCV887102 91% 1000 kHz 1.25 ms 53 mV/ms 400 mV 800 mA 600 mA 6.3 V N NCV887103 93% 340 kHz 3.7 ms 53 mV/ms 200 mV 575 mA 350 mA 8.4 V Y NCV887104 93% 340 kHz 3.7 ms 53 mV/ms 200 mV 800 mA 600 mA 8.4 V N DEFINITIONS Symbol Characteristic Symbol Characteristic Symbol Characteristic Dmax Maximum Duty Cycle fs Switching Frequency tss Soft−Start Time Sa Slope Compensating Ramp Vcl Current Limit Trip Voltage Isrc Gate Drive Sourcing Current Isink Gate Drive Sinking Current VDRV Drive Voltage SCE Short Circuit Enable |
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