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TPS74801TDRCRQ1 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS74801TDRCRQ1 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 28 page 0.5V/div V OUT V EN 1V/div Time(1ms/div) C SS =2.2nF C SS =1nF C SS =0nF 1.2V 0V TPS74801 GND EN FB IN PG BIAS SS OUT V IN R 1 R 2 R 3 C OUT C IN C SS V BIAS C BIAS V OUT TPS74801 www.ti.com SBVS074J – JANUARY 2007 – REVISED JANUARY 2012 1.5A Low-Dropout Linear Regulator with Programmable Soft-Start Check for Samples: TPS74801 1 FEATURES 2 • VOUT Range: 0.8V to 3.6V DESCRIPTION • Ultralow VIN Range: 0.8V to 5.5V The TPS74801 low-dropout (LDO) linear regulator • VBIAS Range 2.7V to 5.5V provides an easy-to-use robust power management solution for a wide variety of applications. • Low Dropout: 60mV typ at 1.5A, VBIAS = 5V User-programmable soft-start minimizes stress on the • Power Good (PG) Output Allows Supply input power source by reducing capacitive inrush Monitoring or Provides a Sequencing Signal current on start-up. The soft-start is monotonic and for Other Supplies well-suited for powering many different types of processors and ASICs. The enable input and power • 2% Accuracy Over Line/Load/Temperature good output allow easy sequencing with external • Programmable Soft-Start Provides Linear regulators. This complete flexibility permits the user to Voltage Startup configure a solution that meets the sequencing • VBIAS Permits Low VIN Operation with Good requirements of FPGAs, DSPs, and other Transient Response applications with special start-up requirements. • Stable with Any Output Capacitor ≥ 2.2μF A precision reference and error amplifier deliver 2% • Available in a Small 3mm x 3mm x 1mm accuracy over load, line, temperature, and process. The device is stable with any type of capacitor SON-10 and 5 x 5 QFN-20 Packages greater than or equal to 2.2 μF, and is fully specified from –40°C to +125°C. The TPS74801 is offered in a APPLICATIONS small 3mm × 3mm SON-10 package, yielding a highly • FPGA Applications compact, total solution size. It is also available in a 5 • DSP Core and I/O Voltages x 5 QFN-20 for compatibility with the TPS74401. • Post-Regulation Applications • Applications with Special Start-Up Time or Sequencing Requirements • Hot-Swap and Inrush Controls Figure 2. Turn-On Response Figure 1. Typical Application Circuit (Adjustable) 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 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2007–2012, 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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