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TPS71229DRCT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS71229DRCT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 21 page Actual Size (3 mm x 3 mm) EN1 FB1/NC EN2 FB2/NC NR 10 9 8 7 6 IN NC OUT1 OUT2 GND 1 2 3 4 5 DRC PACKAGE 3mm x 3mm SON (TOP VIEW) 80 70 60 50 40 30 20 10 0 10 100 1k 10k 100k 1M 10M Frequency (Hz) PSRR (RIPPLE REJECTION) vs FREQUENCY V OUT = 2.8 V C OUT = 2.2 µF C NR = 0.01 µF I OUT = 1 mA I OUT = 250 mA TPS71202, TPS71219 TPS71229, TPS71247 TPS71256, TPS71257 www.ti.com SBVS049D – MAY 2004 – REVISED AUGUST 2010 Dual 250 mA Output, UltraLow Noise, High PSRR, Low-Dropout Linear Regulator Check for Samples: TPS71202, TPS71219, TPS71229, TPS71247, TPS71256, TPS71257 1 FEATURES DESCRIPTION • Dual 250 mA High-Performance RF LDOs The TPS712xx family of low-dropout (LDO) voltage regulators is tailored to noise-sensitive and RF • Available in Fixed and Adjustable applications. These products feature dual 250 mA Voltage Options (1.2 V to 5.5 V) LDOs with ultralow noise, high power-supply rejection • High PSRR: 65 dB at 10 kHz ratio (PSRR), and fast transient and start-up • UltraLow Noise: 32 mVrms response. Each regulator output is stable with low-cost 2.2 mF ceramic output capacitors and • Fast Start-Up Time: 60 ms features very low dropout voltages (125 mV typical at • Stable with 2.2 mF Ceramic Capacitor 250 mA). Each regulator achieves fast start-up times • Excellent Load/Line Transient Response (approximately 60 ms with a 0.001 mF bypass capacitor) while consuming very low quiescent • Very Low Dropout Voltage: 125 mV at 250 mA current (300 mA typical with both outputs enabled). • Independent Enable Pins When the device is placed in standby mode, the • Thermal Shutdown and Independent Current supply current is reduced to less than 0.3 mA typical. Limit Each regulator exhibits approximately 32 mVrms of output voltage noise with VOUT = 2.8 V and a 0.01 mF • Available in Thermally-Enhanced SON noise reduction (NR) capacitor. Applications with Package: 3mm x 3mm x 1mm analog components that are noise-sensitive, such as portable RF electronics, will benefit from high PSRR, APPLICATIONS low noise, and fast line and load transient features. • Cellular and Cordless Phones The TPS712 family is offered in a thin 3mm x 3mm • Wireless PDA/Handheld Products SON package and is fully specified from -40°C to • PCMCIA/Wireless LAN Applications +125°C (TJ). • Digital Camera/Camcorder/Internet Audio • DSP/FPGA/ASIC/Controllers and Processors 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. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2010, 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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