V IN GND V REG End of Life. Last Available Purchase Date is 31-Dec-2014 SiC413 Vishay Siliconix microBUCK SiC413 4 A, 26 V Integrated Synchronous Buck Regulator DESCRIPTION FEATURES Integrated PWM controller and Gen III The SiC413 is an integrated, DC/DC power conversion trench MOSFETs solution with built-in PWM-optimized high- and low-side n-channel MOSFETs and advanced PWM controller. The Quick and easy single chip converter SiC413 provides a quick and easy to use POL voltage Integrated current sense regulation solution for a wide range of applications. Vishay Cycle by cycle over-current protection Siliconixs Proprietary packaging technology is used to Built-In bootstrap diode optimize the power stage and minimize power losses Output over-voltage protection associated with parasitic impedances and switching delays. Under voltage lockout The co-packaged Gen III TrenchFET power MOSFET devices deliver higher efficiency than lateral DMOS Thermal shutdown monolithic solutions. Soft start Break-before-make operation PRODUCT SUMMARY PowerCAD Simulation software available at Input Voltage Range 4.75 V to 26 V www.vishay.com/power-ics/powercad-list/ Material categorization: For definitions of compliance Output Voltage Range 0.6 V to 13.2 V please see www.vishay.com/doc 99912 Operating Frequency 500 kHz Continuous Output Current 4 A APPLICATIONS Peak Efficiency 93 % LCD TV, set top box and DVD player Highside/Lowside R 35 m /19 m DS ON Desktop PC and server Package SO-8 Add-in graphics board Memory, FPGA or P device power supplies Point of load DC/DC conversion Telecom and networking equipment TYPICAL APPLICATION V IN 6 7 EN 2 Enable BOOT 3 1 COMP Controller V 4 SW V O 8 FB SiC413 5 Figure 1 - Typical Application Circuit Document Number: 69057 For technical questions, contact: powerictechsupport vishay.com www.vishay.com S09-2250-Rev. D, 26-Oct-09 1 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 91000End of Life. Last Available Purchase Date is 31-Dec-2014 SiC413 Vishay Siliconix PIN CONFIGURATION COMP 1 8 FB 2 7 EN V REG BOOT 3 6 V IN V 4 5 GND SW Figure 2. SO-8 Pin Out - Top View PIN DESCRIPTION Pin Number Symbol Description 1COMP Error amplifier output. Connects to the compensation network. 2 EN Chip enable pin. Active HIGH. Connects to a power source through a 10K to100K resistor to enable. 3 BOOT Connect to 0.1 F capacitor from V to BOOT to power the high side gate driver. SW Inductor Connection. Connect an output filter inductor to this pin. V is high impedance when the IC is SW 4V SW in shutdown mode. 5 GND GROUND pin. 6V Supply voltage. IN 7V Internal regulator output. An external 4.7 F decoupling capacitor is required at this pin. REG 8 FB Output voltage feedback input. ORDERING INFORMATION Part Number Package SiC413CB-T1-E3 SO-8 (6.2 x 5 x 1.75 mm) SiC413DB Reference board FUNCTIONAL BLOCK DIAGRAM V REG V IN UVLO 5.5 V BOOT REG Shutdown EN control Control logic OTP V SW and active dead time V OVP REG PWM GM Over F OSC current GND FB COMP Figure 3. Functional Block Diagram www.vishay.com For technical questions, contact: powerictechsupport vishay.com Document Number: 69057 2 S09-2250-Rev. D, 26-Oct-09 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