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TPS79330YZQT Datasheet(PDF) 1 Page - Texas Instruments |
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TPS79330YZQT Datasheet(HTML) 1 Page - Texas Instruments |
1 / 20 page DBV 5 DBV 6 YEQ, YZQ 1 FEATURES DESCRIPTION APPLICATIONS 3 2 4 5 DBV PACKAGE (TOP VIEW) 1 IN GND EN OUT NR Fixed Option 3 2 4 6 DBV PACKAGE (TOP VIEW) 1 IN GND EN OUT NR 5 FB Adjustable Option TPS79328 RIPPLE REJECTION vs FREQUENCY IN EN OUT NR GND YEQ, YZQ PACKAGE (TOP VIEW) 10 100 1 k 10 k 10 40 80 100 k 1 M 10 M Frequency (Hz) IOUT = 10 mA 50 0 VIN = 3.8 V COUT = 10 µF CNR = 0.01 µF IOUT = 200 mA 20 30 60 70 90 100 A3 A1 C3 C1 B2 0 0.05 0.10 0.15 0.20 0.25 0.30 100 1 k 10 k 100 k Frequency (Hz) IOUT = 1 mA VIN = 3.8 V COUT = 2.2 µF CNR = 0.1 µF IOUT = 200 mA TPS79328 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY TPS793xx SLVS348K – JULY 2001 – REVISED OCTOBER 2007 www.ti.com ULTRALOW-NOISE, HIGH PSRR, FAST RF 200mA LOW-DROPOUT LINEAR REGULATORS IN NanoStar™ WAFER CHIP SCALE AND SOT23 234 • 200mA RF Low-Dropout Regulator The TPS793xx family of low-dropout (LDO) With Enable low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow-noise, • Available in Fixed Voltage Versions from 1.8V fast start-up, and excellent line and load transient to 4.75V and Adjustable (1.22V to 5.5V) responses in NanoStar wafer chip scale and SOT23 • High PSRR (70dB at 10kHz) packages. NanoStar packaging gives an ultrasmall • Ultralow-Noise (32μV RMS, TPS79328) footprint as well as an ultralow profile and package weight, making it ideal for portable applications such • Fast Start-Up Time (50μs) as handsets and PDAs. Each device in the family is • Stable With a 2.2μF Ceramic Capacitor stable, with a small 2.2 μF ceramic capacitor on the • Excellent Load/Line Transient Response output. The TPS793xx family uses an advanced, proprietary BiCMOS fabrication process to yield • Very Low Dropout Voltage (112mV at 200mA, extremely low dropout voltages (for example, 112mV TPS79330) at 200mA, TPS79330). Each device achieves fast • 5- and 6-Pin SOT23 (DBV) and NanoStar Wafer start-up times (approximately 50 μs with a 0.001μF Chip Scale (YEQ, YZQ) Packages bypass capacitor) while consuming very low quiescent current (170 μA typical). Moreover, when the device is placed in standby mode, the supply • RF: VCOs, Receivers, ADCs current is reduced to less than 1 μA. The TPS79328 exhibits approximately 32 μVRMS of output voltage • Audio noise at 2.8V output with a 0.1 μF bypass capacitor. • Cellular and Cordless Telephones Applications with analog components that are • Bluetooth®, Wireless LAN noise-sensitive, such as portable RF electronics, • Handheld Organizers, PDAs benefit from the high PSRR and low-noise features as well as the fast response time. Figure 1. 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 NanoStar is a trademark of Texas Instruments. 3 Bluetooth is a registered trademark of Bluetooth SIG, Inc. 4 All other trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 2001–2007, 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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