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TPS40131RHBTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS40131RHBTG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 46 page www.ti.com FEATURES RHB PACKAGE (TOP VIEW) 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 9 10 11 12 13 15 16 BOOT1 OVSET VOUT GSNS DIFFO CS1 CSRT1 COMP BOOT2 SS UVLO BP5 AGND CS2 CSRT2 RT 14 1 2 3 4 5 6 7 8 DESCRIPTION APPLICATIONS TPS40131 SLVS635 – FEBRUARY 2007 TWO-PHASE, SYNCHRONOUS BUCK CONTROLLER WITH INTEGRATED MOSFET DRIVERS • Supports 5-V Output • Two-Phase Interleaved Operation • Operates With Pre-Biased Outputs • 1-V to 40-V Power Stage Operation Range • Requires VIN5 @ 50 mA (typ) Depending on External MOSFETs and Switching Frequency • 10-µA Shutdown Current • Programmable Switching Frequency up to 1 MHz/Phase • Current Mode Control with Forced Current Sharing • Better than 1% Internal 0.7-V Reference • Resistive Divider Sets Direct Output Over Voltage Threshold. • Programmable Input Undervoltage Lockout • True Remote Sensing Differential Amplifier • Resistive or Inductor’s DCR Current Sensing • 32-Pin QFN Package • Can Be Used with TPS40120 to Provide a 6-Bit The TPS40131 is a two-phase synchronous buck Digitally Controlled Output controller that is optimized for low-output voltage, high-output current applications powered from a supply between 1 V and 40 V. A multi-phase converter offers several advantages over a single • Point-of-Load Converter power stage including lower current ripple on the • Graphic Cards input and output capacitors, faster transient response • Internet Servers to load steps, improved power handling capabilities, and higher system efficiency. • Networking Equipment • Telecommunications Equipment Each phase can be operated at a switching • DC Power Distributed Systems frequency up to 1 MHz, resulting in an effective ripple frequency of up to 2 MHz at the input and the output. The two phases operates 180 degrees out-of-phase. 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 © 2007, 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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