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, analog and mixed-signal semiconductor markets. Diodes serves the consumer electronics, computing, communications, industrial, and automotive markets.
Diodes’ products include diodes, rectifiers, transistors, MOSFETs, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers.
Diodes’ corporate headquarters and Americas’ sales office are located in Plano, Texas and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taiwan; Taoyuan City, Taiwan; Zhubei City, Taiwan; Manchester, England; and Neuhaus, Germany. Diodes’ wafer fabrication facilities are located in Manchester and Shanghai, China. Diodes has assembly and test facilities located in Shanghai, Jinan, Chengdu, and Yangzhou, China, as well as in Hong Kong, Neuhaus and Taipei. Additional engineering, sales, warehouse, and logistics offices are located in Taipei; Hong Kong; Manchester; Shanghai; Shenzhen, China; Seongnam-si, South Korea; and Munich, Germany, with support offices throughout the world.

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