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TPS54073PWPRG4 Datasheet(PDF) 10 Page - Texas Instruments |
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TPS54073PWPRG4 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 25 page ConnecttoOptional PrechargeVoltage DESIGN PROCEDURE DESIGN PARAMETERS TPS54073 SLVS547 – FEBRUARY 2005 ............................................................................................................................................................................................ www.ti.com Figure 12. Application Circuit, 3.3 V to 1.5 V Figure 12 shows the schematic for a typical • Output voltage TPS54073 application. The TPS54073 provides up to • Input ripple voltage 14-A output current at a nominal output voltage of • Output ripple voltage 1.5 V. Nominal input voltages are 3.3 V for PVIN, and • Output current rating 3.3 V for VIN. For proper thermal performance, the • Operating frequency exposed PowerPAD underneath the device must be soldered to the printed-circuit board. For this design example, use the following as the input parameters: The following design procedure is used to select component values for the TPS54073. Alternately, the DESIGN PARAMETER EXAMPLE VALUE SWIFT Designer Software is used to generate a Input voltage (VIN) 3.3 V complete design. The SWIFT Designer Software uses Input voltage range (PVIN) 2.2 to 3.5 V an iterative design procedure and accesses a Output voltage 1.5 V comprehensive database of components when generating a design. This section presents a Input ripple voltage 350 mV simplified discussion of the design process. Output ripple voltage 20 mV Output current rating 14 A Operating frequency 700 kHz To begin the design process, a few parameters must be decided. The designer needs to know: • Input voltage range 10 Submit Documentation Feedback Copyright © 2005, Texas Instruments Incorporated Product Folder Link(s): TPS54073 |
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