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TPS795 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS795 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 33 page Frequency (Hz) 0 0.1 0.2 0.3 0.4 0.5 100 1 k 10 k 100 k IOUT = 1 mA VIN = 5.5 V COUT = 2.2 F m CNR = 0.1 F m IOUT = 0.5 A 0 10 20 30 40 50 60 70 80 1 10 100 1 k 10 k 100 k 1 M 10 M VIN = 4 V COUT = 10 F m CNR = 0.01 F m IOUT = 1 mA IOUT = 500 mA Frequency (Hz) Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS795 SLVS350I – OCTOBER 2002 – REVISED MAY 2015 TPS795 Ultralow-Noise, High-PSRR, Fast, RF, 500-mA Low-Dropout Linear Regulators 1 Features 3 Description The TPS795 family of low-dropout (LDO), low-power 1 • 500-mA Low-Dropout Regulator With Enable linear voltage regulators features high power-supply • Available in Fixed and Adjustable (1.2-V to 5.5-V) rejection ratio (PSRR), ultralow noise, fast start-up, Versions and excellent line and load transient responses in • High PSRR (50 dB at 10 kHz) small outline, 6-pin SOT-223 and 3-mm × 3-mm WSON packages. Each device in the family is stable • Ultralow Noise (33 μVRMS, TPS79530) with a small 1- μF ceramic capacitor on the output. • Fast Start-Up Time (50 μs) The family uses an advanced, proprietary BiCMOS • Stable With a 1- μF Ceramic Capacitor fabrication process to yield extremely low dropout voltages (for example, 110 mV at 500 mA). Each • Excellent Load and Line Transient Response device achieves fast start-up times (approximately • Low Dropout Voltage (110 mV at Full Load, 50 μs with a 0.001-μF bypass capacitor) while TPS79530) consuming very low quiescent current (265 μA, • 6-Pin SOT-223 and 3-mm × 3-mm WSON typical). Moreover, when the device is placed in Packages standby mode, the supply current is reduced to less than 1 μA. The TPS79530 device exhibits approximately 33 μVRMS of output voltage noise at 3- 2 Applications V output with a 0.1- μF bypass capacitor. Applications • RF: VCOs, Receivers, ADCs with analog components that are noise-sensitive, • Audio such as portable RF electronics, benefit from the high-PSRR and low-noise features, as well as from • Bluetooth®, Wireless LAN the fast response time. • Cellular and Cordless Telephones • Handheld Organizers, PDAs Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) SOT-223 (6) 6.50 mm × 3.50 mm TPS795 WSON (8) 3.00 mm × 3.00 mm (1) For all available packages, see the orderable addendum at the end of the data sheet. TPS79530 Ripple Rejection vs Frequency TPS79530 vs Frequency 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers. PRODUCTION DATA. |
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