TPS79633DCQR Datasheet

Low Dropout Regulators - LDO


The TPS79633DCQR family of low-dropout (LDO) low-power linear voltage regulators features high power supply rejection ratio (PSRR), ultralow-noise,fast start-up, and excellent line and load transient responses in small outline, 3 x 3 SON, SOT223-6, and 5-pin DDPAK packages. Each device in the family is stable with a small 1-μF ceramic capacitor on the output. The family uses an advanced, proprietary BiCMOS fabrication process to yield extremely low dropout voltages (e.g., 250 mV at 1 A).Each device achieves fast start-up times (approximately 50 μs with a 0.001-μF bypass capaci tor) while consuming very low quiescent current (265 μA typical). Moreover, when the device is placed in standby mode, the supply current is reduced to less than 1 μA. The TPS79633DCQR exhibits approximately 40 μVRMS of output voltage noise at 3.0-V output, with a 0.1-μF bypass capacitor. Applications with analog components that are noise sensitive, such as portable RF electronics, benefit from the high PSRR, low noise features, and the fast response time. TPS79633DCQR Features • 1-A Low-Dropout Regulator With Enable• Available in 1.8-V, 2.5-V, 2.8-V, 3-V, 3.3-V, and Adjustable (1.2-V to 5.5-V)• High PSRR (53 dB at 10 kHz)• Ultralow-Noise (40 μVRMS, TPS79630)• Fast Start-Up Time (50 μs)• Stable With a 1-μF Ceramic Capacitor• Excellent Load/Line Transient Response TPS79633DCQR Applications • RF: VCOs, Receivers, ADCs• Audio• Bluetooth™, Wireless LAN• Cellular and Cordless Telephones• Handheld Organizers, PDAs


[{"Name":"Input Voltage MAX","Value":"5.5 V"},{"Name":"Output Voltage ","Value":"3.3 V "},{"Name":"Dropout Voltage (Max) ","Value":"0.325 V at 1 A"},{"Name":"Output Current ","Value":"1 A "},{"Name":"Load Regulation","Value":"5 mV "},{"Name":"Number of Outputs ","Value":"1"},{"Name":"Output Type","Value":"Fixed "},{"Name":"Maximum Operating Temperature ","Value":"+ 150 C "},{"Name":"Mounting Style ","Value":"SMD/SMT"},{"Name":"Package / Case ","Value":"SOT-6 "}]

Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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