Datasheet SiC951 (Vishay) - 5
| Fabricante | Vishay |
| Descripción | 4.5 V to 20 V Input, 25 A MicroBRICK DC/DC Regulator Module With PMBus Interface |
| Páginas / Página | 28 / 5 — SiC951. RECOMMENDED OPERATING CONDITIONS. ELECTRICAL PARAMETER. MIN. TYP. … |
| Formato / tamaño de archivo | PDF / 3.1 Mb |
| Idioma del documento | Inglés |
SiC951. RECOMMENDED OPERATING CONDITIONS. ELECTRICAL PARAMETER. MIN. TYP. MAX. UNIT. Temperature. ELECTRICAL SPECIFICATIONS. LIMITS
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SiC951
www.vishay.com Vishay Siliconix
RECOMMENDED OPERATING CONDITIONS
(all voltages referenced to GND = 0 V)
ELECTRICAL PARAMETER MIN. TYP. MAX. UNIT
PVIN, VIN 4.5 - 20 Logic pins 0 - 5.5 VOUT 0.3 - 5.5 V Drive supply voltage (PVCC) 4.75 5 5.25 Bias supply voltage (VDD) 4.75 5 5.25
Temperature
Recommended ambient temperature -40 to +85 °C Operating junction temperature -40 to +125
ELECTRICAL SPECIFICATIONS
(PVIN = 12 V, TJ = -40 °C to +125 °C, unless otherwise specified)
LIMITS PARAMETER TEST CONDITIONS UNIT MIN. TYP. MAX. Power Supplies
PVIN, VIN 4.5 - 20 Default setting, VIN_ON - 10 - other settings may be programmed via PMBus Default setting, VIN_OFF - 9 - V other settings may be programmed via PMBus PVCC supply VIN = 4.5 V to 20 V 4.5 5 5.5 VDD supply Logic supply voltage 4.5 5 5.5 PVCC UVLO threshold 3.4 3.6 3.8 PVCC UVLO hysteresis - 300 - mV T Input current J = 25 °C, non-switching, no load, VFB > 0.5 V, - - 1 IPVCC + IPVDD + IPVIN mA Shutdown current EN = 0 V, IPVCC + IPVDD + IPVIN - - 1
PVIN Monitoring
PVIN monitor accuracy - 5 - % PVIN min. monitor resolution - 70 - mV PVIN monitor full scale - 30 - V PVIN read frequency - 78 - Hz
PVIN Fault Response Time
Time to detect faults OV fault, UV fault (configurable) - 100 - ns Time to set fault registers for faults OV warn, UV warn - 78 - Hz
Output Voltage
VOUT set-point accuracy Measured as ΔV (VSEN+ – VSEN-) -1 - 1 % VSEN + common mode range -0.2 - 12 V VSEN - common mode range -200 - +200 mV VOUT set-point range (Does not include margining) 0.3 - 12 V VOUT set-point resolution - 2 - mV Line regulation - 0.4 - Load regulation - 0.2 - % VOUT monitor accuracy VOUT scale loop = 1 - - 1 VOUT min. monitor resolution VOUT scale loop = 1 - 5 - mV VOUT start up delay range From PVIN valid until 1st PWM pulse 0 - 127 ms VOUT read conversion frequency - 78 - Hz S23-0736-Rev. C, 12-Sep-2023
5
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
www.vishay.com Vishay Siliconix
RECOMMENDED OPERATING CONDITIONS
(all voltages referenced to GND = 0 V)
ELECTRICAL PARAMETER MIN. TYP. MAX. UNIT
PVIN, VIN 4.5 - 20 Logic pins 0 - 5.5 VOUT 0.3 - 5.5 V Drive supply voltage (PVCC) 4.75 5 5.25 Bias supply voltage (VDD) 4.75 5 5.25
Temperature
Recommended ambient temperature -40 to +85 °C Operating junction temperature -40 to +125
ELECTRICAL SPECIFICATIONS
(PVIN = 12 V, TJ = -40 °C to +125 °C, unless otherwise specified)
LIMITS PARAMETER TEST CONDITIONS UNIT MIN. TYP. MAX. Power Supplies
PVIN, VIN 4.5 - 20 Default setting, VIN_ON - 10 - other settings may be programmed via PMBus Default setting, VIN_OFF - 9 - V other settings may be programmed via PMBus PVCC supply VIN = 4.5 V to 20 V 4.5 5 5.5 VDD supply Logic supply voltage 4.5 5 5.5 PVCC UVLO threshold 3.4 3.6 3.8 PVCC UVLO hysteresis - 300 - mV T Input current J = 25 °C, non-switching, no load, VFB > 0.5 V, - - 1 IPVCC + IPVDD + IPVIN mA Shutdown current EN = 0 V, IPVCC + IPVDD + IPVIN - - 1
PVIN Monitoring
PVIN monitor accuracy - 5 - % PVIN min. monitor resolution - 70 - mV PVIN monitor full scale - 30 - V PVIN read frequency - 78 - Hz
PVIN Fault Response Time
Time to detect faults OV fault, UV fault (configurable) - 100 - ns Time to set fault registers for faults OV warn, UV warn - 78 - Hz
Output Voltage
VOUT set-point accuracy Measured as ΔV (VSEN+ – VSEN-) -1 - 1 % VSEN + common mode range -0.2 - 12 V VSEN - common mode range -200 - +200 mV VOUT set-point range (Does not include margining) 0.3 - 12 V VOUT set-point resolution - 2 - mV Line regulation - 0.4 - Load regulation - 0.2 - % VOUT monitor accuracy VOUT scale loop = 1 - - 1 VOUT min. monitor resolution VOUT scale loop = 1 - 5 - mV VOUT start up delay range From PVIN valid until 1st PWM pulse 0 - 127 ms VOUT read conversion frequency - 78 - Hz S23-0736-Rev. C, 12-Sep-2023
5
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