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TPS74201KTWT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS74201KTWT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 26 page TPS74201 TPS74201 1 FEATURES DESCRIPTION APPLICATIONS TPS74201 GND EN FB IN PG BIAS SS OUT V IN V OUT R 1 R 2 R 3 C OUT Optional C IN 1 F m C SS V BIAS C BIAS 1 F m 1V/div 1V/div Time(1ms/div) C =0 F SS m C =0.001 F SS m C =0.0047 F SS m V OUT V EN 0V 1.2V TPS74201 SBVS064F – DECEMBER 2005 – REVISED OCTOBER 2007 www.ti.com 1.5A Ultra-LDO with Programmable Soft-Start 2 • Soft-Start (SS) Pin Provides a Linear Startup with Ramp Time Set by External Capacitor The TPS74201 low-dropout (LDO) linear regulator • 1% Accuracy Over Line, Load, and provides an easy-to-use robust power management Temperature solution for a wide variety of applications. • Supports Input Voltages as Low as 0.9V with User-programmable soft-start minimizes stress on the External Bias Supply input power source by reducing capacitive inrush current on start-up. The soft-start is monotonic and • Adjustable Output (0.8V to 3.6V) well suited for powering many different types of • Ultra-Low Dropout: 55mV at 1.5A (typ) processors and ASICs. The enable input and • Stable with Any or No Output Capacitor power-good output allow easy sequencing with • Excellent Transient Response external regulators. This complete flexibility permits the user to configure a solution that will meet the • Available in 5mm × 5mm × 1mm QFN and sequencing requirements of FPGAs, DSPs, and other DDPAK-7 Packages applications with special start-up requirements. • Open-Drain Power-Good (5 × 5 QFN) A precision reference and error amplifier deliver 1% • Active High Enable accuracy over load, line, temperature, and process. Each LDO is stable with low-cost ceramic output capacitors and the device is fully specified from • FPGA Applications –40 °C to +125°C. The TPS74201 is offered in a small (5mm × 5mm) QFN package, yielding a highly • DSP Core and I/O Voltages compact total solution size. For applications that • Post-Regulation Applications require additional power dissipation, the DDPAK • Applications with Special Start-Up Time or (KTW) package is also available. Sequencing Requirements • Hot-Swap and Inrush Controls Figure 1. Typical Application Circuit for the TPS74201 (Adjustable) Figure 2. Turn-On Response 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 © 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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