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1、? ? ? ? FEATURESDESCRIPTION APPLICATIONS 3 2 4 5 DBV PACKAGE (TOP VIEW) 1IN 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 101001 k10 k 10 40 80 100 k1 M10 M Ripple Rejection (dB) Frequency (Hz) IOUT = 10 mA
2、 50 0 VIN = 3.8 V COUT = 10 F CNR = 0.01 F IOUT = 200 mA 20 30 60 70 90 100 0 0.05 0.10 0.15 0.20 0.25 0.30 1001 k10 k100 k Frequency (Hz) IOUT = 1 mA VIN = 3.8 V COUT = 2.2 F CNR = 0.1 F IOUT = 200 mA TPS73028 OUTPUT SPECTRAL NOISE DENSITY vs FREQUENCY Output Spectral Noise Density (V/Hz) TPS73001,
3、 TPS73018 TPS73025 TPS73030, TPS73033 SBVS054ANOVEMBER 2004REVISED NOVEMBER 2004 LOW-NOISE, HIGH PSRR, RF 200-mA LOW-DROPOUT LINEAR REGULATORS 200-mA RF Low-Dropout Regulator TheTPS730xxfamilyoflow-dropout(LDO) With Enable low-power linear voltage regulators features high power-supply rejection rati
4、o (PSRR), ultralow-noise, Available in 1.8-V, 2.5-V, 3-V, 3.3-V, and fast start-up, and excellent line and load transient Adjustable (1.22-V to 5.5-V) responses a small SOT23 package. Each device in High PSRR (68dB at 1 kHz) the family is stable, with a small 2.2-F ceramic Ultralow-Noise (23 VRMS, T
5、PS73018) capacitor on the output. The TPS730xx family uses an advanced, proprietary BiCMOS fabrication pro- Fast Start-Up Time (50 s) cess to yield low dropout voltages (e.g., 120 mV at Stable With a 2.2-F Ceramic Capacitor 200 mA, TPS73030). Each device achieves fast Excellent Load/Line Transient R
6、esponse start-up times (approximately 50 s with a 0.001-F bypass capacitor) while consuming low quiescent Very Low Dropout Voltage (120 mV at Full current (170 A typical). Moreover, when the device Load) is placed in standby mode, the supply current is 5- and 6-Pin SOT23 (DBV) Package reduced to les
7、s than 1 A. The TPS73018 exhibits approximately 23 VRMSof output voltage noise at 2.8-V output with a 0.01-F bypass capacitor. Appli- RF: VCOs, Receivers, ADCscationswithanalogcomponentsthatare noise-sensitive, such as portable RF electronics, Audio benefit from the high PSRR and low-noise features
8、Cellular and Cordless Telephones as well as the fast response time. Bluetooth, Wireless LAN Handheld Organizers, PDAs Figure 1. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and discla
9、imers thereto appears at the end of this data sheet. Bluetooth is a trademark of Bluetooth Sig, Inc. PRODUCTION DATA information is current as of publication date. Copyright 2004, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warran
10、ty. Production processing does not necessarily include testing of all parameters. 元器件交易网w w w . c e c b 2 b . c o m ABSOLUTE MAXIMUM RATINGS TPS73001, TPS73018 TPS73025 TPS73030, TPS73033 SBVS054ANOVEMBER 2004REVISED NOVEMBER 2004 This integrated circuit can be damaged by ESD. Texas Instruments rec
11、ommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to
12、 damage because very small parametric changes could cause the device not to meet its published specifications. AVAILABLE OPTIONS(1)(2) PRODUCTVOLTAGEPACKAGETJSYMBOLPART NUMBER TPS730011.22 V to 5.5 VSOT23 (DBV)PGVITPS73001DBVR TPS730181.8 VSOT23 (DBV)PHHITPS73018DBVR TPS730252.5 VSOT23 (DBV)-40C to
13、+125CPGWITPS73025DBVR TPS730303 VSOT23 (DBV)PGYITPS73030DBVR TPS730333.3 VSOT23 (DBV)PHUITPS73033DBVR (1)For the most current package and ordering information, see the Package Option Addendum located at the end of this data sheet. (2)DBVR indicates tape and reel of 3000 parts. over operating tempera
14、ture range (unless otherwise noted)(1) UNIT VINrange-0.3 V to 6 V VENrange-0.3 V to VIN+ 0.3 V VOUTrange-0.3 V to 6 V Peak output currentInternally limited ESD rating, HBM2 kV ESD rating, CDM500 V Continuous total power dissipationSee Dissipation Ratings Table Junction temperature range-40C to 150C
15、Storage temperature range, Tstg-65C to 150C (1)Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operati
16、ng conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 2 元器件交易网w w w . c e c b 2 b . c o m DISSIPATION RATINGS TABLE ELECTRICAL CHARACTERISTICS TPS73001, TPS73018 TPS73025 TPS73030, TPS73033 SBVS054ANOVEMBER 2004REVISED NOVEMBER 2004 TA 25CTA= 70CTA= 85C DERATING FACTORPOWERPOWERPOWER BOARDPACKAGERJCRJAABOVE TA= 25CRATINGRATINGRATING Low-
