SCT2231TVBR

芯 洲 科 技 SCT2231 Rev. 1.0 Silicon Content Technology 17V Vin, 3A Synchronous Step-down DCDC Converter FEATURES   DESCRIPTION Wide Input Voltage: 4.2-17V 3A Continuous Output Current with Integrated The SCT2231 is a fully integrated high efficiency synchronous step-down DCDC converter capable of delivering 3A current. The devices operate over a wide input voltage range from 4.2V to 17V and fully integrate high-side power MOSFETs and synchronous MOSFETs with very low Rdson to minimize the conduction loss. 70mΩ/42mΩ FETs          Wide Output Voltage Range:0.8V-7V Quiescent Current 275uA Cycle-by-Cycle Current Limiting Internal 2ms Soft-Start Limits the Inrush Current Fixed 750kHz Switching Frequency Input Under-Voltage Lockout Forced PWM Mode at Light Load Over-Temperature Protection Available in a SOT563 and TSOT23 Package With 750 kHz switching frequency, low output voltage ripple, small external inductor and capacitor size are achieved. SCT2231 adopts adaptive constant ONtime control architecture to achieve fast load transient responses for step-down applications. The SCT2231 operates in Forced Pulse Width Modulation (FPWM) mode, which maintains small output voltage ripple during light load operation. APPLICATIONS       It includes full protection features, such as over current protection, output under-voltage protection, input under-voltage lockout, and thermal shutdown. Flat Panel Digital TV and Monitors Surveillance Set Top Boxes Networking Systems Consumer Electronics General Purpose The SCT2231 requires a minimal number of external components and is available in a space-saving SOT563 and TSOT23-6 package. TYPICAL APPLICATION Power Efficiency 100.00 90.00 L1 3 5 VIN SW 70.00 C2 EN S C T 22 31 BST T S O T 23 -6 6 R1 C1 1 GND FB 80.00 VOUT 2 4 R2 C3 Efficiency (%) VIN 60.00 50.00 40.00 VIN=12V, VOUT=5V 30.00 20.00 VIN=12V, VOUT=3.3V 10.00 0.00 0.001 0.01 0.1 1 10 IOUT (A) For more information www.silicontent.com © 2020 Silicon Content Technology Co., Ltd. All Rights Reserved Product Folder Links: SCT2231 1 SCT2231 REVISION HISTORY NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Rev 1.0: Released to Market DEVICE ORDER INFORMATION PART NUMBER PACKAGE MARKING PACKAGE DISCRIPTION SCT2231TVA 2231 SOT563-6L SCT2231TVB 2231 TSOT23-6L * (1) FOR TAPE & REEL, ADD SUFFIX R (E.G. SCT2231TVAR). ABSOLUTE MAXIMUM RATING Over operating free-air temperature unless otherwise noted(1) SYMBOL PARAMETER RATING UNIT VIN Supply Voltage -0.3 to 20 V VSW VSW （