SiC951 www.vishay.com Vishay Siliconix ELECTRICAL SPECIFICATIONS (PVIN = 12 V, TJ = -40 °C to +125 °C, unless otherwise specified) LIMITSPARAMETER TESTCONDITIONSUNITMIN.TYP.MAX.Controller and Timing Minimum on-time - 50 - ns tON accuracy -10 - 10 % Frequency accuracy Default frequency is 600 kHz 540 600 660 kHz Frequency setting range CCM mode 300 - 1500 Minimum off-time - 250 - ns VOUT Soft Start / Soft Stop tON_RISE From VOUT = 0 V to VOUT set point 0 - 127 tON_DELAY From ON_OFF_CONFIG invoked until VOUT set point 0 - 127 From the end of the turn-off ms tOFF_FALL delay time until the voltage is commanded to zero 0 - 127 IOUT_OC_FAULT_LIMIT current must not be exceeded tOFF_DELAY From ON_OFF_CONFIG invoked until VOUT = 0 V 0 - 127 VOUT Faults Time to detect and set fault registers for OV warn, OV fault, (configurable) - 100 - ns VOUT faults (VOUT UV warning and fault has 78 Hz filtering time) Time to power up the output tON_MAX_FAULT_LIMIT 0 - 127 without reaching the output under voltage fault limit ms Time to power down the output tOFF_MAX_WARN_LIMIT 0 - 127 without reaching 12.5 % of VOUT set point Power Good VOUT rising (default value, can be changed by PMBus) - 90 - Power good output threshold VOUT falling (default value, can be changed by PMBus) - 85 - % Power good hysteresis Default rising and falling thresholds - 5 - Power good on resistance - 5.5 - Ω Power good delay time (rising) - 25 - μs Power good delay time (falling) - 30 - Temperature Monitor and Temperature Shutdown Resolution - 1 - Range -40 - 150 Accuracy - ± 5 - °C Thermal shutdown - 125 - Thermal shutdown hysteresis - 35 - Digital InputsADDR, SALRT, SCLK, SDA, EN VIH Input high threshold 2 - - VIL Input low threshold - - 0.8 V VHYST Input hysteresis - 0.1 - CPIN Input C - 5 - pF S23-0736-Rev. C, 12-Sep-2023 6 Document Number: 71554 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