 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
SIC474 датащи(PDF) 4 Page - Vishay Siliconix |
|
|
|||||||||||||||||||||||||||||
SIC474 датащи(HTML) 4 Page - Vishay Siliconix |
|
|
4 / 26 page  SiC471, SiC472, SiC473, SiC474 www.vishay.com Vishay Siliconix Work-In-Progress SPending-Rev. A, 04-Jul-2018 4 Document Number: 75786 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 Note (1) For input voltages below 5 V, provide a separate supply to VCIN of at least 5 V to prevent the internal VDD rail UVLO from triggering RECOMMENDED OPERATING CONDITIONS (all voltages referenced to GND = 0 V) PARAMETER MIN. TYP. MAX. UNIT Input voltage (VIN)4.5 - 55 V Control input voltage (VCIN) (1) 4.5 - 55 Enable (EN) 0 - 55 Bias supply (VDD) 4.75 5 5.25 Drive supply voltage (VDRV) 4.75 5.3 5.55 Output voltage (VOUT) 0.8 - 0.92 x VIN Temperature Recommended ambient temperature -40 to +105 °C Operating junction temperature -40 to +125 ELECTRICAL SPECIFICATIONS (VIN = VCIN = 48 V, VEN = 5 V, TJ = -40 °C to +125 °C, unless otherwise stated) PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT Power Supplies VDD supply VDD VIN = VCIN = 6 V to 55 V 4.75 5 5.25 V VIN = VCIN = 5 V 4.7 5 - VDD dropout VDD_DROPOUT VIN = VCIN = 5 V, IVDD = 1 mA - 70 - mV VDD UVLO threshold, rising VDD_UVLO 4 4.25 4.5 V VDD UVLO hysteresis VDD_UVLO_HYST - 225 - mV Maximum VDD current IDD VIN = VCIN = 6 V to 55 V 3 - - mA VDRV supply VDRV VIN = VCIN = 6 V to 55 V 5.1 5.3 5.55 V VIN = VCIN = 5 V 4.8 5 5.2 VDRV dropout VDRV_DROPOUT VIN = VCIN = 5 V, IVDD = 10 mA - 160 - mV Maximum VDRV current VDRV VIN = VCIN = 6 V to 55 V 50 - - mA VDRV UVLO threshold, rising VDRV_UVLO 4 4.25 4.5 V VDRV UVLO hysteresis VDRV_UVLO_HYST - 295 - mV Input current IVCIN Non-switching, VFB > 0.8 V - 235 325 μA Shutdown current IVCIN_SHDN VEN = 0 V - 4 8 Controller and Timing Feedback voltage VFB TJ = 25 °C 796 800 804 m/V TJ = -40 °C to +125 °C (1) 792 800 808 VFB input bias current IFB -2 - pA Transconductance gm -0.3 - mS COMP source current ICOMP_SOURCE 15 20 - μA COMP sink current ICOMP_SINK 15 20 - Minimum on-time tON_MIN. - 90 110 ns tON accuracy tON_ACCURACY -10 - 10 % On-time range tON_RANGE 110 - 8000 ns Frequency range fsw Ultrasonic mode enabled 20 - 2000 kHz Ultrasonic mode disabled 0 - 2000 Minimum off-time tOFF_MIN. 190 250 310 ns Soft start current ISS 35 7 μA Soft start voltage VSS When VOUT reaches regulation - 1.5 - V |
|
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
