TPS54240-Q1

TPS54240-Q1 www.ti.com SLVSAQ4B – DECEMBER 2010 – REVISED SEPTEMBER 2013 3.5-V to 42-V STEP-DOWN SWIFT™ DC/DC CONVERTER WITH Eco-mode™ CONTROL SCHEME Check for Samples: TPS54240-Q1 FEATURES 1 2 Qualified for Automotive Applications AEC Q100 Qualified With the Following Results: – Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range – Device HBM ESD Classification Level H2 – Device CDM ESD Classification Level C6 3.5-V to 42-V Input Voltage Range 200-mΩ High-Side MOSFET High Efficiency at Light Loads With a PulseSkipping Eco-mode™ Control Scheme 138-μA Operating Quiescent Current 1.3-μA Shutdown Current 100-kHz to 2.5-MHz Switching Frequency Synchronizes to External Clock Adjustable Slow Start/Sequencing UV and OV Power-Good Output Adjustable UVLO Voltage and Hysteresis 0.8-V Internal Voltage Reference MSOP10 PowerPAD™ Package Supported by SwitcherPro™ Software Tool (http://focus.ti.com/docs/toolsw/folders/print/s witcherpro.html) For SWIFT™ Documentation, See the TI Web site at http://www.ti.com/swift SIMPLIFIED SCHEMATIC VIN VIN PWRGD TPS54240 EN BOOT SS /TR PH VOUT RT /CLK COMP VSENSE GND APPLICATIONS 12-V and 24-V Industrial and Commercial LowPower Systems GSM, GPRS Modules in Fleet Management, EMeters, and Security Systems DESCRIPTION The TPS54240-Q1 device is a 42-V, 2.5-A, stepdown regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexi...