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TPS74301KTWR Datasheet(PDF) 1 Page - Texas Instruments |
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TPS74301KTWR Datasheet(HTML) 1 Page - Texas Instruments |
1 / 27 page TPS74301 TPS74301 www.ti.com FEATURES DESCRIPTION APPLICATIONS R 1 R 5 R 3 R 4 R 2 V OUT C OUT Optional PG OUT FB IN BIAS TRACK GND V IN V BIAS C IN C BIAS V TRACK V PG TPS74301 EN Time(20ms/div) V PG V TRACK I =500mA OUT V OUT TPS74301 SBVS065E – DECEMBER 2005 – REVISED MAY 2007 1.5A Ultra-LDO with Programmable Sequencing • Track Pin Allows for Flexible Power-Up The TPS74301 low-dropout (LDO) linear regulator Sequencing provides an easy-to-use robust power management • 1% Accuracy Over Line, Load, and solution for a wide variety of applications. The Temperature TRACK pin allows the output to track an external • Supports Input Voltages as Low as 0.9V with supply. This feature is useful in minimizing the stress External Bias Supply on ESD structures that are present between the CORE and I/O power pins of many processors. The • Adjustable Output (0.8V to 3.6V) enable input and power-good output allow easy • Ultra-Low Dropout: 55mV at 1.5A (typ) sequencing with external regulators. This complete • Stable with Any or No Output Capacitor flexibility allows the user to configure a solution that meets the sequencing requirements of FPGAs, • Excellent Transient Response DSPs, and other applications with special start-up • Available in 5mm × 5mm × 1mm QFN and requirements. DDPAK-7 Packages A precision reference and error amplifier deliver 1% • Open-Drain Power-Good (5 × 5 QFN) accuracy over load, line, temperature, and process. • Active High Enable Each LDO is stable with low-cost ceramic output capacitors and the device is fully specified from –40 °C to +125°C. The TPS74301 is offered in a • FPGA Applications small (5mm × 5mm) QFN package, yielding a highly compact total solution size. For applications that • DSP Core and I/O Voltages require additional power dissipation, the DDPAK • Post-Regulation Applications (KTW) package is also available. • Applications with Special Start-Up Time or Sequencing Requirements Figure 1. Typical Application Circuit Figure 2. Tracking Response 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. All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2005–2007, 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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