RT9064-33GX

Voltage Dropout (Max):	1.5V @ 100mA
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	60dB ~ 40dB (100Hz ~ 10kHz)
Current - Quiescent (Iq):	4µA
Current - Output:	200mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Discontinued at Digi-Key
Packaging:	Tape & Reel (TR)

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Introduction to RT9064-33GXRT9064-33GX is a Linear Voltage Regulator that belongs to the Power Management Integrated Circuits (PMIC) family. It is designed to be used in applications that need high current and reliable performance. This highly integrated regulator is suitable for a wide range of system-level applications like motor control, industrial, consumer, and automotive fields.FeaturesRT9064-33GX is a low-dropout, high current linear regulator with output current capability up to 3A. It is available in the industry-standard TSOT-23-5 package. The device is rated for input voltage between 2.5V to 5.5V and provides output voltages adjustable from 0.8V to 5.0V. Other features of the device includes integrated over-temperature and over-current protection and fast transient response.Operating RegimeRT9064-33GX regulates output voltage in two modes – Constant Voltage (CV) and Constant Current (CC). Under CV mode, it regulates the output voltage to stay within a set point and the output current is determined by the load condition. On the other hand, while in CC mode, the output current is externally set and output voltage is determined by the set current. It is also capable of assisting in power supply transient such as start-up and line transients.Internal Block DiagramAt the heart of RT9064-33GX is a PFM Control circuit and Power MOSFET overcurrent sense (OCS) circuit. The PFM control circuit regulates the output voltage and the OCS monitors the output current based on the load condition. In addition, the regulator also contains an output voltage feedback voltage divider circuit, which provides the output voltage feedback to the PFM control.Application of RT9064-33GXThe main features of RT9064-33GX make it suitable for various applications including motor control, industrial, consumer, and automotive systems. In motor control applications, the regulator provides consistent output voltage for driving the motor with less variation and hassle. It can also be used in industrial applications requiring frequent line voltage transients.In consumer applications, the device is suitable for MP3 players, digital cameras, and other portable devices. It supplies power with fast transient response and supports a wide input/output voltage range of 2.5V to 5.5V. The device can also be used in automotive systems requiring sophisticated power management for fuel injectors and throttle control systems.ConclusionRT9064-33GX is a compact and highly integrated linear voltage regulator. It features high current output capability up to 3A, low-dropout voltage and adjustable output voltages from 0.8V to 5.0V. The two modes of operation of CV and CC makes it suitable for various applications like motor control, industrial, consumer and automotive fields. With high efficiency, it is an ideal choice for high power applications that require reliable performance.

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