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TPS54060QDRCRQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS54060QDRCRQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 52 page EFFICIENCY vs LOADCURRENT 0 10 20 30 40 50 60 70 80 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 LoadCurrent- A 100 90 0.45 0.5 V =12V, V =3.3V, f =500kHz I O sw PH VIN GND BOOT VSENSE COMP TPS54060 EN RT /CLK SS /TR PWRGD TPS54060-Q1 www.ti.com SLVSA25A – JANUARY 2010 – REVISED MARCH 2011 0.5-A 60-V STEP-DOWN SWIFT ™ DC/DC CONVERTER WITH Eco-mode™ Check for Samples: TPS54060-Q1 1 FEATURES • Qualified for Automotive Applications • Adjustable UVLO Voltage and Hysteresis • 3.5-V to 60-V Input Voltage Range • 0.8-V Internal Voltage Reference • 200-m Ω High-Side MOSFET • Supported by SwitcherPro ™ Software Tool (http://focus.ti.com/docs/toolsw/folders/print/s • High Efficiency at Light Loads with a Pulse witcherpro.html) Skipping Eco-mode ™ Control Scheme • For SWIFT ™ Documentation, See the TI • 116- μA Operating Quiescent Current Website at http://www.ti.com/swift • 1.3- μA Shutdown Current • 100-kHz to 2.5-MHz Switching Frequency APPLICATIONS • Synchronizes to External Clock • 12-V, 24-V and 48-V Industrial and Commercial • Adjustable Slow Start/Sequencing Low Power Systems • Undervoltage and Overvoltage Power Good • Aftermarket Auto Accessories: Video, GPS, Output Entertainment DESCRIPTION The TPS54060 device is a 60-V 0.5-A step-down regulator with an integrated high-side MOSFET. Current-mode control provides simple external compensation and flexible component selection. A low-ripple pulse-skip mode reduces the no load, regulated output supply current to 116 μA. Using the enable pin, shutdown supply current is reduced to 1.3 μA, when the enable pin is low. Under voltage lockout is internally set at 2.5 V, but can be increased using the enable pin. The output voltage startup ramp is controlled by the slow start pin that can also be configured for sequencing/tracking. An open-drain power good signal indicates the output is within 93% to 107% of its nominal voltage. A wide switching frequency range allows efficiency and external component size to be optimized. Frequency fold back and thermal shutdown protects the part during an overload condition. The TPS54060 is available in a 10-pin thermally enhanced MSOP PowerPAD ™ package (DGQ) and a 10-pin SON package (DRC). SIMPLIFIED SCHEMATIC 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. PRODUCTION DATA information is current as of publication date. Copyright © 2010–2011, 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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