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TPS7A8300RGRT Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS7A8300RGRT Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 33 page TPS7A8300 RF LDO Amplifier TPS7A33 Negative-Voltage Regulator TPS7A8300 www.ti.com SBVS197C – MAY 2013 – REVISED JULY 2013 2-A, 6-µVRMS, RF, LDO Voltage Regulator Check for Samples: TPS7A8300 1 FEATURES DESCRIPTION The TPS7A8300 is a low-noise (6 µVRMS), low- 23 • Ultralow Dropout: 125 mV Maximum at 2 A dropout voltage regulator (LDO) capable of sourcing • Output Voltage Noise: 6 µVRMS a 2-A load with only 125 mV of maximum dropout. • Power-Supply Ripple Rejection: The TPS7A8300 output voltages are fully user- – 40 dB at 1 MHz adjustable (up to 3.95 V) using a printed circuit board • Input Voltage Range: (PCB) layout without the need of external resistors or feed-forward capacitors, thus reducing overall – Without BIAS: +1.4 V to +6.5 V component count. For higher output voltage – With BIAS: +1.1 V to +6.5 V applications, the device achieves output voltages up • Two Output Voltage Modes: to 5 V with the use of external resistors. The device supports very low input voltages (down to 1.1 V) with – ANY-OUT™ Version (User-Programmable the use of an additional BIAS rail. Output via PCB Layout): With very high accuracy (1% over line, load, and – No External Resistor or Feed-Forward temperature), remote sensing, and soft-start Capacitors Required capabilities to reduce inrush current, the TPS7A8300 – Output Voltage Range: +0.8 V to 3.95 V is ideal for powering high-current, low-voltage devices – Adjustable Version: such as high-end microprocessors and field- programmable gate arrays (FPGAs). – Output Voltage Range: +0.8 V to 5.0 V • 1.0% Accuracy Over Line, Load, and The TPS7A8300 is designed to power-up noise- Temperature sensitive components in high-speed communication applications. The very low-noise, 6-µVRMS device • Stable with a 22-µF Output Ceramic Capacitor output and high broad-bandwidth PSRR (40 dB at • Programmable Soft-Start and Power-Good 1 MHz) minimizes phase noise and clock jitter in (PG) Output high-frequency signals. These features maximize • Available Packages: performance of clocking devices, analog-to-digital converters (ADCs), and digital-to-analog converters – 5-mm × 5-mm QFN-20 (DACs). – 3,5-mm × 3,5-mm QFN-20 (1) For applications where positive and negative low- (1) 3,5-mm × 3,5-mm QFN-20 package is product-preview. noise rails are required, consider TI's TPS7A33 family of negative high-voltage, ultralow-noise linear APPLICATIONS regulators. • RF, IF Components: VCO, ADC, DAC, LVDS • Wireless Infrastructure: SerDes, FPGA, DSP™ • Test and Measurement • Instrumentation, Medical, and Audio 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 ANY-OUT, DSP, PowerPAD are trademarks of Texas Instruments. 3 All other trademarks are the property of their respective owners. UNLESS OTHERWISE NOTED this document contains Copyright © 2013, Texas Instruments Incorporated PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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