RT9169-18GVL

Current - Output:	100mA
Supplier Device Package:	SOT-23-3L
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	--
PSRR:	30dB (1kHz)
Current - Supply (Max):	10µA
Current - Quiescent (Iq):	7µA
Series:	--
Voltage Dropout (Max):	0.6V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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RT9169-18GVL’s Applications and Working Principle

RT9169-18GVL is a low operation voltage regulator developed by Richtek Technology Corporation and belongs to the category of Linear Voltage Regulators or Low Dropout Regulators. It is made up of P-channel junction-mode MOSFET and Charge Pump Technology that provides the regulated output voltage with high accuracy.

Features and Applications

RT9169-18GVL has many features that make it one of the most widely used devices of its kind:1. It features wide input voltage range (4.5V to 18V) and low dropout voltage of 225mV. This characteristic makes it ideal for use in low input voltage applications.2. It has a wide output voltage range (1.25V to 9V) and is capable of delivering up to 1.25A of direct current.3. It has a low power shutdown mode that enables a significant saving of power.4. It employs the latest Charge Pump Technology, making it highly efficient and reliable.The main applications of RT9169-18GVL are Smartphones, Cell Phones, Digital Cameras, MP3 players and hand-held communication devices.

Working Principle

RT9169-18GVL utilizes Charge Pump Technology to regulate the output voltage. A Charge Pump is an electronic device that converts DC voltages into higher DC voltages. The Charge Pump in the RT9169-18GVL consists of a series of capacitors, diodes and switches that allow it to generate higher voltages.The input voltage is first applied to the input capacitor. The input capacitor filters out any ripple or transient and provides the input voltage to the driver circuit. The driver circuit then switches the Capacitors and Diodes of the Charge Pump in the right order and at the right time to generate the desired output voltage. This output voltage is further filtered and regulated by the feedback circuit, thus ensuring that the output voltage is always accurate and stable.

Conclusion

RT9169-18GVL is a low operation voltage regulator developed by Richtek Technology Corporation and belongs to the category of Linear Voltage Regulators or Low Dropout Regulators. It features wide input voltage range, low dropout voltage and wide output voltage range making it ideal for use in low input voltage applications. It is mainly used in Smartphones, Cell Phones, Digital Cameras, MP3 players and other portable electronic devices. It utilizes Charge Pump Technology to generate the required output voltage with high accuracy.

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