TPS79401DGNRG4 ,Ultra-Low Noise, High PSRR, Fast RF, High-Enable, 250-mA Low Dropout RegulatorFEATURES DESCRIPTION• 250-mA Low-Dropout Regulator With EnableThe TPS794xx family of low-dropout (L ..
TPS79401DGNTG4 ,Ultralow-Noise, High-PSRR, Fast, 250-mA Low-Dropout Linear Regulators 8-MSOP-PowerPAD -40 to 85features as well as the fast response• Handheld Organizers, PDAstime.DGN PACKAGETPS79433 TPS79428MS ..
TPS79418DCQ ,Ultra-Low Noise, High PSRR, Fast RF, High-Enable, 250mA Low Dropout RegulatorMAXIMUM RATINGS(1)over operating temperature range unless otherwise notedVALUEV range –0.3 V to 6 V ..
TPS79418DCQR ,Ultra-Low Noise, High PSRR, Fast RF, High-Enable, 250mA Low Dropout RegulatorBLOCK DIAGRAM—ADJUSTABLE VERSIONIN OUTCurrentUVLOSenseSHUTDOWNILIMR1_GND+FBENUVLOR2ThermalShutdownQ ..
TPS79418DGNR ,Ultra-Low Noise, High PSRR, Fast RF, High-Enable, 250mA Low Dropout RegulatorBLOCK DIAGRAM—ADJUSTABLE VERSIONIN OUTCurrentUVLOSenseSHUTDOWNILIMR1_GND+FBENUVLOR2ThermalShutdownQ ..
TPS79418DGNRG4 ,Ultralow-Noise, High-PSRR, Fast, 250-mA Low-Dropout Linear Regulators 8-MSOP-PowerPAD -40 to 85features high power-supplyrejection ratio (PSRR), ultralow-noise, fast start-up,5.5 V) Versionsand ..
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TWL6041BYFFR ,8-Channel High Quality Low-Power Audio Codec For Portable Applications 81-DSBGA -40 to 85Stereo speaker path has filterless class-D outputs with 1.5-W capability per channel. Additionally, ..
TPS79401DGNR-TPS79401DGNRG4-TPS79401DGNTG4-TPS79418DCQ-TPS79418DCQR-TPS79418DGNR-TPS79418DGNRG4-TPS79425DCQ-TPS79425DCQR-TPS79425DGNR-TPS79425DGNRG4-TPS79425DGNT-TPS79428DCQR-TPS79430DCQ-TPS79430DCQR-TPS79430DGNR-TPS79433DCQ-TPS79433DCQR-TPS79433DGNR-TPS79433DGNRG4-
Ultralow-Noise, High-PSRR, Fast, 250-mA Low-Dropout Linear Regulators 6-SOT-223 -40 to 85
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FEATURES DESCRIPTION
APPLICATIONSOUT
NC − No internal connection
GND
DGN PACKAGE
MSOP-8 PowerPAD
(TOP VIEW)IOUT = 10 mA
TPS79433
RIPPLE REJECTION
FREQUENCYCOUT = 2.2 mF,
CNR = 0.1 mF,
VIN = 3.8 V
TPS79428
OUTPUT SPECTRAL NOISE DENSITY
FREQUENCY
TPS794xx
SLVS349E–NOVEMBER 2001–REVISED DECEMBER 2005
ULTRALOW-NOISE, HIGH-PSRR, FAST, RF, 250-mA LINEAR REGULATORS 250-mA Low-Dropout With Enable The TPS794xx of low-dropout (LDO) linear
voltage regulators high power-supply•
Availablein Fixed (1.2Vtorejection ratio ultralow-noise, fast start-up,
5.5V) Versionsand excellent load transient responsesin•
High PSRR (60 dB small outline, PowerPAD™ and SOT223-6•
Ultralow Noise (32 packages.in the familyis stable witha
small 2.2-μF capacitor on the output. The•
Fast Start-Up Timefamily uses proprietary BiCMOS•
Stable Witha 2.2-μF Capacitor fabrication yield extremely low dropout•
Excellent Load/Line Transient Response voltages (for example, 155 mVat 250 mA). Each
device achieves fast start-up times (approximately•
Very Low Dropout Voltage (155 mVat Fullμs witha 0.001-μF bypass capacitor) while
Load)consuming low quiescent current (170 μA typical).•
Availablein MSOP-8 and SOT223-6 Packages Moreover, when the deviceis placed in standby
mode, the supply currentis reducedto less than μA. The TPS79428 exhibits approximately•
RF: VCOs, Receivers, ADCs 32 μVRMSof output voltage noiseat 2.8V output with 0.1-μF bypass capacitor. Applications with analog•
Audiocomponents that are noise-sensitive, such as•
Bluetooth™, Wireless LAN portable RF electronics, benefit from the high PSRR•
Cellular and Cordless Telephones and low noise featuresas wellas the fast response•
Handheld Organizers, PDAs time.
