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TPS73028DBVTG4 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS73028DBVTG4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 16 page DBV 5 DBV 6 YZQ www.ti.com 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 TPS73028 RIPPLE REJECTION vs FREQUENCY 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 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 TPS73028 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY IN EN OUT NR GND YZQ PACKAGE (TOP VIEW) A3 A1 C3 C1 B2 TPS730xx SBVS054G – NOVEMBER 2004 – REVISED DECEMBER 2006 LOW-NOISE, HIGH PSRR, RF 200-mA LOW-DROPOUT LINEAR REGULATORS • 200-mA RF Low-Dropout Regulator The TPS730xx family of low-dropout (LDO) With Enable low-power linear voltage regulators features high power-supply rejection ratio (PSRR), ultralow-noise, • Available in Fixed Voltages from 1.8V to 3.3V fast start-up, and excellent line and load transient and Adjustable (1.22V to 5.5V) responses a small SOT23 package. NanoStar™ • High PSRR (68dB at 1kHz) packaging gives an ultrasmall footprint as well as an • Ultralow-Noise (23µV RMS, TPS73018) ultralow profile and package weight, making it ideal for portable applications such as handsets and • Fast Start-Up Time (50µs) PDAs. Each device in the family is stable, with a • Stable With a 2.2µF Ceramic Capacitor small 2.2 µF ceramic capacitor on the output. The • Excellent Load/Line Transient Response TPS730xx family uses an advanced, proprietary BiCMOS fabrication process to yield low dropout • Very Low Dropout Voltage (120mV at 200mA) voltages (e.g., 120mV at 200mA, TPS73030). Each • 5- and 6-Pin SOT23 (DBV), and Wafer Chip device achieves fast start-up times (approximately Scale (YZQ) Packages 50 µs with a 0.001µF bypass capacitor) while consuming low quiescent current (170 µA typical). Moreover, when the device is placed in standby • RF: VCOs, Receivers, ADCs mode, the supply current is reduced to less than 1 µA. The TPS73018 exhibits approximately 23µV RMS • Audio of output voltage noise at 2.8V output with a 0.01 µF • Cellular and Cordless Telephones bypass capacitor. Applications with analog • Bluetooth®, Wireless LAN components that are noise-sensitive, such as • Handheld Organizers, PDAs portable RF electronics, benefit from the high PSRR and low-noise features as well as the fast response time. Figure 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. NanoStar is a trademark of Texas Instruments. Bluetooth is a registered trademark of Bluetooth Sig, Inc. PRODUCTION DATA information is current as of publication date. Copyright © 2004–2006, 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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