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CRCW06031K50FKEA Datasheet(PDF) 2 Page - Vishay Siliconix |
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CRCW06031K50FKEA Datasheet(HTML) 2 Page - Vishay Siliconix |
2 / 26 page www.vishay.com 2 Document Number: 66550 S12-0628-Rev. C, 19-Mar-12 Vishay Siliconix SiC403 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 For technical support, please contact: analogswitchtechsupport@vishay.com PIN CONFIGURATION (TOP VIEW) PAD 1 AGND PAD 3 LX PAD 2 VIN PGND LX PGND PGND PGND PGND PGND 17 18 19 20 21 BST VIN FBL AGND VDD VOUT FB 1 2 3 4 5 7 6 8 SS 24 LX 23 22 31 30 29 25 26 27 28 32 PIN DESCRIPTION Pin Number Symbol Description 1FB Feedback input for switching regulator. Connect to an external resistor divider from output to program output voltage. 2VOUT Output voltage input to the controller. Additionally may be used to by pass LDO to supply VDD directly. 3VDD Bias for internal logic circuitry and gate drivers. Connect to external 5V power supply or configure the internal LDO for 5 V. 4, 30, PAD 1 AGND Analog ground 5FBL Feedback input for internal LDO. Connect to an external resistor divider from VDD to AGND to program LDO output. 6, 9-11, PAD 2 VIN Power stage input (HS FET Drain) 7 SS Connect to an external capacitor to AGND to program softstart ramp 8 BST Bootstrap pin. A capacitor is connected between BST and LX to provide HS driver voltage. 12 NC Not internally connected 13, 23-25, 28, PAD 3 LX Switching node (HS FET Source and LS FET Drain) 14 NC Not internally connected 15-22 PGND Power ground (LS FET Source) 26 PGOOD Open-drain power good indicator. Externally pull-up resistor is required. 27 ILIM Connect to an external resistor between ILIM and LX to program over current limit 29 EN/PSV Tri-state pin. Pull low to AGND to disable the regulator. Float to enable forced continuous current mode. Pull high to VDD to enable power save mode. 31 TON Connect to an external resistor to AGND program on-time 32 ENL Enable input for internal LDO. Pull down to AGND to disable internal LDO. ORDERING INFORMATION Part Number Package SiC403CD-T1-GE3 MLPQ55-32 SiC403DB Evaluation board |
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