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TPS7A8101 Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS7A8101 Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 24 page IN NR IN EN 6 7 8 5 4 OUT OUT FB/SNS GND DRBPACKAGE 3mmx3mmSON (TOPVIEW) 1 2 3 TYPICAL POWER-SUPPLY RIPPLE REJECTION Typical Application Circuit 10 20 30 40 50 60 70 80 90 100 10 100 1k 10k 100k 1M 10M Frequency (Hz) IOUT= 10 mA IOUT= 100 mA IOUT= 750 mA IOUT= 1 A G103 TPS7A8101 GND EN FB IN OUT V IN V OUT V EN R 1 R 2 NR C NR C IN C OUT C BYPASS TPS7A8101 www.ti.com SBVS179A – DECEMBER 2011 – REVISED APRIL 2012 Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1-A Linear Regulator 1 FEATURES DESCRIPTION The TPS7A8101 low-dropout linear regulator (LDO) 2 • Low-Dropout 1-A Regulator with Enable offers very good performance in noise and power- • Adjustable Output Voltage: 0.8 V to 6.0 V supply rejection ratio (PSRR) at the output. This LDO • Wide-Bandwidth High PSRR: uses an advanced BiCMOS process and a PMOSFET pass device to achieve very low noise, – 80 dB at 1 kHz excellent transient response, and excellent PSRR – 60 dB at 100 kHz performance. – 54 dB at 1 MHz The TPS7A8101 is stable with a 4.7- μF ceramic • Low Noise: 23.5 μVRMS typical (100 Hz to output capacitor, and uses a precision voltage 100 kHz) reference and feedback loop to achieve a worst-case • Stable with a 4.7- μF Capacitance accuracy of 3% over all load, line, process, and temperature variations. • Excellent Load/Line Transient Response This device is fully specified over the temperature • 3% Overall Accuracy (over range of TJ = –40°C to +125°C and is offered in a 3- Load/Line/Temperature) mm × 3-mm, SON-8 package with a thermal pad. • Over-Current and Over-Temperature Protection • Very Low Dropout: 170 mV Typical at 1 A • Package: 3-mm × 3-mm SON-8 APPLICATIONS • Telecom Infrastructure • Audio • High-Speed I/F (PLL/VCO) 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 © 2011–2012, 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. |
Numéro de pièce similaire - TPS7A8101 |
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Description similaire - TPS7A8101 |
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