RT9052GE

Voltage - Output:	--
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	PWM
Frequency:	--
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	13.5V
Voltage - Supply (Min):	3.8V
Number of Outputs:	1
Internal Switch(s):	No
Topology:	--
Type:	DC DC Controller
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The RT9052GE is an illuminated LED backlight driver. It is a buck LED driver IC that contains all the necessary components to drive LEDs, including the LED current driver, complex timing control logic, and other power management functions. The RT9052GE provides a wide range of operational modes such as PWM dimming, PWM current sinking, and open-loop current sinking.This model also brings several benefits for LED backlighting systems, such as increased efficiency, improved reliability, and higher flexibility. With its current-mode control, the RT9052GE can offer very accurate LED current regulation. It can also synchronize the LED current with external clock signals, allowing for LED dimming or color mixing applications. Additionally, the RT9052GE offers over-temperature protection and over-voltage protection in order to ensure longer LED lifetime and system reliability.The RT9052GE is mainly used in applications such as LCD TV and monitor backlights, car displays, and tablet PCs. It is also compatible with a wide variety of LED backlight modules, including edge lit modules, direct lit modules, and local dimming modules.The RT9052GE can operate in two different modes: PWM dimming and PWM current sinking. In PWM dimming mode, the RT9052GE acts as an adjustable current sink that is set by programming the duty cycle of the internal PWM signal. In this mode, the device is capable of dimming the LEDs in a range between 0% and 100%, and the brightness of the LEDs can be precisely controlled by varying the duty cycle of the PWM signal.In PWM current sinking mode, the RT9052GE acts as a pulse-width-modulated current source, where the current is set directly by the duty cycle of the PWM signal. In this mode, the device is capable of very accurate current regulation, up to a resolution of 1mA.The RT9052GE has many other features, such as thermal protection, open-loop current sinking, and overvoltage protection, which make it a very reliable solution for LED backlighting applications. The device also offers a wide operating temperature range of -40°C to +85°C and can be powered from 5V to 26V dc.Overall, the RT9052GE is a high-performance LED backlight driver IC that offers a wide variety of features and a compact package for improved design flexibility. Its accurate current regulation and synchronization capabilities make it a great solution for LED backlighting applications.

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