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TPS61175PWP Datasheet(PDF) 1 Page - Texas Instruments |
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TPS61175PWP Datasheet(HTML) 1 Page - Texas Instruments |
1 / 23 page 1 FEATURES DESCRIPTION APPLICATIONS TYPICAL APPLICATION FOR BOOST CONVERTER R3 D1 C1 R1 VOUT R2 VIN C4 C3 C2 L1 R4 TPS61175 VIN EN PGND AGND Syn FREQ COMP SS NC FB PGND PGND SW SW TPS61175 www.ti.com ........................................................................................................................................................................................... SLVS892 – DECEMBER 2008 3-A High Voltage Boost Converter with Soft-start and Programmable Switching Frequency • 2.9-V to 18-V Input Voltage Range • 3A, 40V Internal Switch The TPS61175 is a monolithic switching regulator with integrated 3-A, 40-V power switch. It can be • High Efficiency Power Conversion: Up to 93% configured in several standard switching-regulator • Frequency Set by External Resistor: 200-kHz topologies, including boost, SEPIC and flyback. The to 2.2-MHz device has a wide input voltage range to support • Synchronous External Switching Frequency application with input voltage from multi-cell batteries or regulated 5-V, 12-V power rails. • User Defined Soft Start into Full Load The TPS61175 regulates the output voltage with • Skip-Switching Cycle for Output Regulation at current mode PWM (pulse width modulation) control. Light Load The switching frequency of PWM is either set by an • 14-pin HTSSOP Package with PowerPad external resistor or an external clock signal. The user can program the switching frequency from 200-kHz to 2.2-MHz. • 5V to 12V, 24V power conversion The device features a programmable soft-start • Supports SEPIC, Flyback topology function to limit inrush current during start-up, and • ADSL Modems has built-in other protection features, such as • TV Tuner pulse-by-pulse over current limit and thermal shutdown. The TPS61175 is available in 14-pin HTSSOP package with Powerpad. Figure 1. Typical Application 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 © 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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