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TPS54618RTER Datasheet(PDF) 1 Page - Texas Instruments |
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TPS54618RTER Datasheet(HTML) 1 Page - Texas Instruments |
1 / 39 page I - Output Current - A O 50 55 60 65 70 75 80 85 90 95 100 0 1 2 3 4 5 6 3 Vin 5 Vin f = 500kHz s Vout = 1.8V PH VIN POWERPAD BOOT VSENSE COMP TPS54618 EN RT /CLK SS/TR PWRGD C ss R T R 3 C 1 C BOOT C O LO R 1 R 2 C I VOUT VIN AGND GND R 4 R 5 TPS54618 www.ti.com SLVSAE9A – NOVEMBER 2010 – REVISED OCTOBER 2012 2.95-V to 6-V Input, 6-A Output, 2-MHz, Synchronous Step-Down Switcher With Integrated FETs ( SWIFT™) Check for Samples: TPS54618 1 FEATURES DESCRIPTION The TPS54618 device is a full featured 6 V, 6 A, 2 • Two 12-m Ω (typical) MOSFETs for High synchronous step down current mode converter with Efficiency at 6-A Loads two integrated MOSFETs. • 300-kHz to 2-MHz Switching Frequency The TPS54618 enables small designs by integrating • 0.8-V ±1% Voltage Reference Over the MOSFETs, implementing current mode control to Temperature (-40°C to 150°C) reduce external component count, reducing inductor • Synchronizes to External Clock size by enabling up to 2 MHz switching frequency, and minimizing the IC footprint with a small 3mm x • Adjustable Slow Start/Sequencing 3mm thermally enhanced QFN package. • UV and OV Power Good Output The TPS54618 provides accurate regulation for a • –40°C to 150°C Operating Junction variety of loads with an accurate ±1% Voltage Temperature Range Reference (VREF) over temperature. • Thermally Enhanced 3mm × 3mm 16-pin QFN Efficiency is maximized through the integrated 12m Ω • Pin Compatible to TPS54418 MOSFETs and 515 μA typical supply current. Using the enable pin, shutdown supply current is reduced to APPLICATIONS 5.5µA by entering a shutdown mode. • Low-Voltage, High-Density Power Systems Under voltage lockout is internally set at 2.6 V, but • Point of Load Regulation for High Performance can be increased by programming the threshold with DSPs, FPGAs, ASICs and Microprocessors a resistor network on the enable pin. The output voltage startup ramp is controlled by the slow start • Broadband, Networking and Optical pin. An open drain power good signal indicates the Communications Infrastructure output is within 93% to 107% of its nominal voltage. SIMPLIFIED SCHEMATIC Frequency fold back and thermal shutdown protects the device during an over-current condition. vertical spacer The TPS54618 is supported in the SwitcherPro™ vertical spacer Software Tool at www.ti.com/switcherpro. For more SWIFTTM documentation, see the TI website at www.ti.com/swift. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 SWIFT, SwitcherPro are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2010–2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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