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SIC414DB Datasheet(PDF) 2 Page - Vishay Siliconix |
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SIC414DB Datasheet(HTML) 2 Page - Vishay Siliconix |
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2 / 23 page  SiC414, SiC424 www.vishay.com Vishay Siliconix S20-0483-Rev. D, 29-Jun-2020 2 Document Number: 63388 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 PIN CONFIGURATION (top view) PIN DESCRIPTION PIN NUMBER SYMBOL DESCRIPTION 1FB Feedback input for switching regulator used to program the output voltage - connect to an external resistor divider from VOUT to AGND 2V5V Bias input for internal analog circuits and gate drives - connect to external 3 V or 5 V supply or bias connection to VLDO 3, 26, PAD 1 AGND Analog ground 4VOUT Switcher output voltage sense pin, and also the input to the internal switch-over between VOUT and VLDO 5, 8 to 11, PAD 2 VIN Input supply voltage 6VLDO 5 V LDO output 7BST Bootstrap pin - connect a capacitor from BST to LXBST to develop the floating supply for the high side gate drive 12 LXBST LX Boost - connect to the BST capacitor 15, 20, 21, PAD 3 LX Switching (Phase) node 13, 14, 16 to 19 PGND Power ground 22 PGOOD Open-drain power good indicator. High impedance indicates power is good. An external pull-up resistor is required 23 ILIM Current limit sense pin - used to program the current limit by connecting a resistor from ILIM to LXS 24 LXS LX sense - connect to RILIM resistor 25 EN / PSV Enable / power save input for the switching regulator - connect to AGND to disable the switching regulator. Float to operate in forced continuous mode (power save disabled). For SiC414, connect to V5V to operate with ultrasonic power save mode enabled. For SiC424, connect to V5V to operate with power save mode enabled with no minimum frequency 27 tON On-time programming input - set the on-time by connecting through a resistor to AGND 28 ENL Enable input for the LDO - connect ENL to AGND to disable the LDO. Drive with logic to +3 V for logic control, or program the VIN UVLO with a resistor divider between VIN, ENL, and AGND ORDERING INFORMATION PART NUMBER PACKAGE SiC414CD-T1-GE3 PowerPAK MLP28-44GW SiC424CD-T1-GE3 PowerPAK MLP28-44GW SiC414DB Reference board PAD1 AGND BST VLDO VIN VOUT AGND V5V FB PAD3 LX PAD2 VIN 1 2 3 4 5 7 6 LX PGND PGND PGND PGND LX LX 15 16 17 18 19 20 21 28 27 26 25 24 23 22 |
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