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SIC645 Datasheet(PDF) 8 Page - Vishay Siliconix |
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SIC645 Datasheet(HTML) 8 Page - Vishay Siliconix |
8 / 18 page SiC645 www.vishay.com Vishay Siliconix S16-2233-Rev. B, 31-Oct-16 8 Document Number: 65424 For technical questions, contact: powerictechsupport@vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Notes a. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design. b. These ratings vary with PCB layout and operating condition, and limited by SPS temperature and thermal shutdown trip point. c. Limits apply across the operating temperature range. TIMING DIAGRAM Fig. 6 - Timing Diagram CURRENT MONITOR IREFIN voltage range 0.8 c 1.2 1.6 c V IMON current gain accuracy (VCC = 5 V) 10 A, TJ = 90 °C - ± 2 - % 10 A, T J = 40 °C to 25 °C - ± 3 - 10 A, T J = 20 °C to 125 °C - ± 4 - 10 A, T J = 0 °C to 125 °C - ± 5 - Downslope blanking time -160 - ns HFET over-current trip -90- A IMON to IREFIN at OCP 1.1 c 1.2 1.3 c V TEMPERATURE MONITOR Over-temperature rising threshold -140 - °C Over-temperature falling threshold -125 - Over-temperature hysteresis -15- Temperature coefficient TJ = 25 °C to 125 °C - 8 - mV/K TJ = -40 °C to +25 °C - 8 - TMON voltage at 25 °C temperature V (TJ) = 0.6 V + (8 mV x TJ) - 0.80 - V TMON high at over-temperature 2.3 c 2.5 2.7 c FAULT PIN Output low voltage 5 mA - 0.18 0.26 V Leakage current -16- nA BOOTSTRAP DIODE Forward voltage drop 5 mA - 0.09 - V On-resistance RF -16- LGCTRL PIN Rising threshold Logic high, (normal: obeys PWM) - 1.29 1.6 V Falling threshold Logic low, (forces GL low; left off) 0,70 c 1.01 - MOSFETs High-side MOSFET (HFET) RDS(on) -3.6 - m Low-side MOSFET (LFET) RDS(on) -0.76 - ELECTRICAL SPECIFICATIONS (recommended operating conditions, unless otherwise noted. TJ = -40 °C to +125 °C) PARAMETER SYMBOL TEST CONDITIONS LIMITS UNIT MIN. a TYP. MAX. a PWM GH GL tFL tPDHU tPDLL tRL tTSSHDL tPDTS tPDTSU tFU tRU tPDLU tPDHL tSSHDU tPDLFUR tPDUFLR |
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