Datasheet SiC476, SiC477, SiC478, SiC479 (Vishay) - 5

SiC476, SiC477, SiC478, SiC479
www.vishay.com Vishay Siliconix
ELECTRICAL SPECIFICATIONS
(VIN = VCIN = 48 V, TJ = -40 °C to +125 °C, unless otherwise stated)
PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT Fault Protections
ILM tied to VDD - 13 - SiC476 valley current limit ILM is not connect - 9.75 - ILM tied to AGND - 6.5 - ILM tied to VDD - 10 - SiC477 valley current limit ILM is not connect - 7.5 - ILM tied to AGND - 5 - IOCP A ILM tied to VDD - 6 - SiC478 valley current limit ILM is not connect - 4.2 - ILM tied to AGND - 3 - ILM tied to VDD - 4 - SiC479 valley current limit ILM is not connect - 3 - ILM tied to AGND - 2 - Output OVP threshold OVP - 20 - VFB with respect to 0.8 V reference % Output UVP threshold UVP - -80 - OTPR Rising temperature - 150 - Over temperature protection °C OTPHYST Hysteresis - 35 -
Power Good
VFB_RISING_VTH_OV VFB rising above 0.8 V reference - 20 - Power good output threshold % VFB_FALLING_VTH_UV VFB falling below 0.8 V reference - -10 - Power good hysteresis PGOOD_HYST 30 40 55 mV Power good on resistance RON_PGOOD - 6 15 Power good delay time tDLY_PGOOD 15 25 35 μs
EN / MODE / Threshold
EN logic high level VEN_H 1.39 1.4 1.43 V EN logic low level VEN_L 1.17 1.2 1.24 EN logic hysteresis VEN_HYS 153 200 244 mV EN pull down resistance REN - 6 - M Mode pull up current IMODE - 5 - μA Power save mode enabled, V Mode 1 DD, VDRV - 2 - Pre-reg on Power save mode disabled, V Mode 2 DD, VDRV - 301 - Pre-reg on RMODE k Power save mode disabled, V Mode 3 DRV Pre-reg - 499 - off, VDD Pre-reg on, provide external VDRV Power save mode enabled, V Mode 4 DRV Pre-reg off, - 1000 - VDD Pre-reg on, provide external VDRV
Note
(1) Guaranteed by design S19-0910-Rev. C, 28-Oct-2019
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