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TPS54160DGQR Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS54160DGQR Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 47 page 1 FEATURES APPLICATIONS DESCRIPTION EFFICIENCY vs LOADCURRENT 50 55 60 65 70 75 80 85 90 0 0.25 0.50 0.75 1 1.25 1.50 1.75 2 LoadCurrent- A V =12V, V =3.3V, f =1200kHz I O sw PH VIN GND BOOT VSENSE COMP TPS54160 EN RT /CLK SS /TR PWRGD TPS54160 www.ti.com .......................................................................................................................................... SLVS795B – OCTOBER 2008 – REVISED DECEMBER 2008 1.5-A, 60V STEP DOWN SWIFT™ DC/DC CONVERTER WITH ECO-MODE™ • 0.8-V Internal Voltage Reference 2 • 3.5V to 60V Input Voltage Range • MSOP10 Package With PowerPAD™ • 200-mΩ 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™ • For SWIFT™ Documentation, See the TI • 116µA Operating Quiescent Current Website at http://www.ti.com/swift • 1.3µA Shutdown Current • 300kHz to 2.5MHz Switching Frequency • Synchronizes to External Clock • 12-V, 24-V and 48-V Industrial and Commercial • Adjustable Slow Start/Sequencing Low Power Systems • Aftermarket Auto Accessories: Video, GPS, • UV and OV Power Good Output Entertainment • Adjustable UVLO Voltage and Hysteresis The TPS54160 device is a 60V, 1.5A, 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. Under voltage lockout is internally set at 2.5V, 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 TPS54160 is available in 10 pin thermally enhanced MSOP Power Pad package. 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. 2 Eco-Mode, PowerPAD, SwitcherPro, SWIFT are trademarks of Texas Instruments. PRODUCTION DATA information is current as of publication date. Copyright © 2008, 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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