Datasheet SiC951 (Vishay) - 5
| Hersteller | Vishay |
| Beschreibung | 4.5 V to 20 V Input, 25 A MicroBRICK DC/DC Regulator Module With PMBus Interface |
| Seiten / Seite | 28 / 5 — SiC951. RECOMMENDED OPERATING CONDITIONS. ELECTRICAL PARAMETER. MIN. TYP. … |
| Dateiformat / Größe | PDF / 3.1 Mb |
| Dokumentensprache | Englisch |
SiC951. RECOMMENDED OPERATING CONDITIONS. ELECTRICAL PARAMETER. MIN. TYP. MAX. UNIT. Temperature. ELECTRICAL SPECIFICATIONS. LIMITS
Modelllinie für dieses Datenblatt
Textversion des Dokuments
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