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TPS7A80xxyyyz Fiches technique(PDF) 1 Page - Texas Instruments |
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TPS7A80xxyyyz Fiches technique(HTML) 1 Page - Texas Instruments |
1 / 25 page 90 80 70 60 50 40 30 20 10 10 100 1k 10k 100k 1M Frequency (Hz) 10M I = 10mA OUT I = 100mA OUT I = 750mA OUT I = 1A OUT V = 1.0V DO No C IN TYPICAL POWER-SUPPLY RIPPLE REJECTION TPS7A8001 GND EN FB IN OUT V IN V OUT 4.7 F m Ceramic V EN R 1 R 2 Optional 1.0 F input capacitor. May improve source impedance, noise, or PSRR. m NR To avoid inrush current, it is recommended to always connect a 1nF to 10nF capacitor Typical Application Circuit for Adjustable Voltage Versions IN NR IN EN 6 7 8 5 4 OUT OUT FB/SNS GND DRBPACKAGE 3mmx3mmSON (TOPVIEW) 1 2 3 TPS7A80xx www.ti.com SBVS135H – JUNE 2010 – REVISED JANUARY 2013 Low-Noise, Wide-Bandwidth, High PSRR, Low-Dropout 1A Linear Regulator Check for Samples: TPS7A80xx 1 FEATURES DESCRIPTION The TPS7A80xx family of low-dropout linear 2 • Low-Dropout 1A Regulator with Enable regulators (LDOs) offer very high power-supply ripple • Available in Multiple Output Versions: rejection (PSRR) at the output. This series of LDOs – Fixed Output Voltages: 0.8V to 5.0V Using uses an advanced BiCMOS process and a Innovative Factory EEPROM Programming PMOSFET pass device to achieve very low noise, excellent transient response, and excellent PSRR – Adjustable Output Voltages: 0.8V to 6.0V performance. • Wide-Bandwidth High PSRR: The TPS7A80xx is stable with a 4.7 μF ceramic output – 63dB at 1kHz capacitor, and uses a precision voltage reference and – 57dB at 100kHz feedback loop to achieve a worst-case accuracy of – 38dB at 1MHz 3% over all load, line, process, and temperature variations. • Low Noise: (12.6 × VOUT + 13.5) μVRMS typical (100Hz to 100kHz) This device is fully specified over the temperature range of TJ = –40°C to +125°C and is offered in a • Stable with a 4.7 μF Ceramic Capacitor 3mm × 3mm, SON-8 package with a thermal pad. • Excellent Load/Line Transient Response • 3% Overall Accuracy (over Load/Line/Temp) • Over-Current and Over-Temperature Protection • Very Low Dropout: 170mV Typical at 1A • 3mm × 3mm SON-8 DRB Package 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 © 2010–2013, 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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