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

HerstellerVishay
Beschreibung4.5 V to 55 V Input, 3 A, 5 A, 8 A, 12 A microBUCK DC/DC Converter
Seiten / Seite24 / 5 — SiC476, SiC477, SiC478, SiC479. ELECTRICAL SPECIFICATIONS. PARAMETER …
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DokumentenspracheEnglisch

SiC476, SiC477, SiC478, SiC479. ELECTRICAL SPECIFICATIONS. PARAMETER SYMBOL. TEST. CONDITIONS. MIN. TYP. MAX. UNIT. Fault Protections

SiC476, SiC477, SiC478, SiC479 ELECTRICAL SPECIFICATIONS PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Fault Protections

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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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Document Number: 77113 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