Datasheet SiC450, SiC451, SiC453 (Vishay) - 5
| Fabricante | Vishay |
| Descripción | 4.5 V to 20 V Input, 15 A, 25 A, 40 A microBuck DC/DC Converter With PMBus Interface |
| Páginas / Página | 48 / 5 — SiC450, SiC451, SiC453. ELECTRICAL SPECIFICATIONS. LIMITS. PARAMETER … |
| Formato / tamaño de archivo | PDF / 1.3 Mb |
| Idioma del documento | Inglés |
SiC450, SiC451, SiC453. ELECTRICAL SPECIFICATIONS. LIMITS. PARAMETER SYMBOL. TEST. CONDITIONS. UNIT. MIN. TYP. MAX. Enable. RT/SYNC. Power Good
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SiC450, SiC451, SiC453
www.vishay.com Vishay Siliconix
ELECTRICAL SPECIFICATIONS
(PVIN = 12 V, TJ = -40 °C to +125 °C, unless otherwise specified)
LIMITS PARAMETER SYMBOL TEST CONDITIONS UNIT MIN. TYP. MAX. Enable
EN pull down resistance REN - 5 - MΩ
RT/SYNC
Logic high level VRT/SYNC_HI 2 - - V Logic low level VRT/SYNC_LO - - 0.8 Input minimum pulse width tIN Pulse_min - 100 - ns Sync switching FSYNC 300 - 1500 kHz
Power Good
Power good output rising V - 90 - threshold FB_RISING_TH Default value respect to VOUT default setting = 0.6 V Power good output falling % V threshold FB_FALLING_TH - 85 - Power good hysteresis VFB_HYST - 5 - Power good on resistance RPG - 5.5 - Ω Power good delay time (rising) tPG_RISE_DLY - 25 - μs Power good delay time (falling) tPG_FALL_DLY - 100 -
Temperature Monitor and Temperature Shutdown
Monitoring resolution TMON_RSO - 1 - Monitoring range TMON_RNG -40 - +150 Monitoring accuracy TMON_ACC -5 - +5 °C Thermal shutdown TSD - 125 - Thermal shutdown hysteresis TSD_HYS - 35 -
Digital Inputs (ADDR, SALRT, SCLK, SDA, EN)
Input high threshold VIH 2 - - Input low threshold VIL - - 0.8 V Input hysteresis VHYST - 0.1 - Pin capacitance CPIN - 5 - pF
Fault Protections
SiC450 (40 A), TJ = -40 °C to +85 °C - 56 - Valley current limit, default IOCP SiC451 (25 A), TJ = -40 °C to +85 °C - 35 - A SiC453 (15 A), TJ = -40 °C to +85 °C - 21 - Output OVP threshold, default VOVP - 115 - VOUT with respect to VSET % Output UVP threshold, default VUVP - 80 -
Telemetry
Load current, 20 % to 100 % VIN VIN -3 - 3 (TA = -40 °C to +125 °C) 20 % of load current (TA = 25 °C) -15 - 15 IIN IIN 50 % of load current (TA = 25 °C) -6 - 6 100 % of load current (TA = 25 °C) -5 - 5 20 % of load current (TA = 25 °C) -9 - 9 PIN PIN 50 % of load current (TA = 25 °C) -4 - 4 100 % of load current (TA = 25 °C) -3 - 3 2 V < VOUT < 5.5 V, load current, 20 % to 100 % -6 - 6 % (TA = -40 °C to +125 °C) VOUT VOUT 0.5 V < VOUT < 2 V, load current, 20 % to 100 % -7 - 7 (TA = -40 °C to +125 °C) 20 % of load current (TA = 25 °C) -12 - 12 IOUT IOUT 50 % of load current (TA = 25 °C) -4 - 4 100 % of load current (TA = 25 °C) -3 - 3 20 % of load current (TA = 25 °C) -9 - 9 POUT POUT 50 % of load current (TA = 25 °C) -4 - 4 100 % of load current (TA = 25 °C) -3 - 3 S21-0213-Rev. B, 08-Mar-2021
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Document Number: 77863 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
www.vishay.com Vishay Siliconix
ELECTRICAL SPECIFICATIONS
(PVIN = 12 V, TJ = -40 °C to +125 °C, unless otherwise specified)
LIMITS PARAMETER SYMBOL TEST CONDITIONS UNIT MIN. TYP. MAX. Enable
EN pull down resistance REN - 5 - MΩ
RT/SYNC
Logic high level VRT/SYNC_HI 2 - - V Logic low level VRT/SYNC_LO - - 0.8 Input minimum pulse width tIN Pulse_min - 100 - ns Sync switching FSYNC 300 - 1500 kHz
Power Good
Power good output rising V - 90 - threshold FB_RISING_TH Default value respect to VOUT default setting = 0.6 V Power good output falling % V threshold FB_FALLING_TH - 85 - Power good hysteresis VFB_HYST - 5 - Power good on resistance RPG - 5.5 - Ω Power good delay time (rising) tPG_RISE_DLY - 25 - μs Power good delay time (falling) tPG_FALL_DLY - 100 -
Temperature Monitor and Temperature Shutdown
Monitoring resolution TMON_RSO - 1 - Monitoring range TMON_RNG -40 - +150 Monitoring accuracy TMON_ACC -5 - +5 °C Thermal shutdown TSD - 125 - Thermal shutdown hysteresis TSD_HYS - 35 -
Digital Inputs (ADDR, SALRT, SCLK, SDA, EN)
Input high threshold VIH 2 - - Input low threshold VIL - - 0.8 V Input hysteresis VHYST - 0.1 - Pin capacitance CPIN - 5 - pF
Fault Protections
SiC450 (40 A), TJ = -40 °C to +85 °C - 56 - Valley current limit, default IOCP SiC451 (25 A), TJ = -40 °C to +85 °C - 35 - A SiC453 (15 A), TJ = -40 °C to +85 °C - 21 - Output OVP threshold, default VOVP - 115 - VOUT with respect to VSET % Output UVP threshold, default VUVP - 80 -
Telemetry
Load current, 20 % to 100 % VIN VIN -3 - 3 (TA = -40 °C to +125 °C) 20 % of load current (TA = 25 °C) -15 - 15 IIN IIN 50 % of load current (TA = 25 °C) -6 - 6 100 % of load current (TA = 25 °C) -5 - 5 20 % of load current (TA = 25 °C) -9 - 9 PIN PIN 50 % of load current (TA = 25 °C) -4 - 4 100 % of load current (TA = 25 °C) -3 - 3 2 V < VOUT < 5.5 V, load current, 20 % to 100 % -6 - 6 % (TA = -40 °C to +125 °C) VOUT VOUT 0.5 V < VOUT < 2 V, load current, 20 % to 100 % -7 - 7 (TA = -40 °C to +125 °C) 20 % of load current (TA = 25 °C) -12 - 12 IOUT IOUT 50 % of load current (TA = 25 °C) -4 - 4 100 % of load current (TA = 25 °C) -3 - 3 20 % of load current (TA = 25 °C) -9 - 9 POUT POUT 50 % of load current (TA = 25 °C) -4 - 4 100 % of load current (TA = 25 °C) -3 - 3 S21-0213-Rev. B, 08-Mar-2021
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Document Number: 77863 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