RT6268GSP

Voltage - Input (Max):	36V
Supplier Device Package:	8-SOP-EP
Package / Case:	8-SOIC (0.154", 3.90mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	100kHz
Current - Output:	3.7A
Voltage - Output (Max):	36V
Voltage - Output (Min/Fixed):	0.8V
Series:	--
Voltage - Input (Min):	7V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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RT6268GSP Application Field and Working Principle

Introduction

The RT6268GSP is an integrated power management IC (PMIC) designed for low voltage applications in mobile devices. It is a DC-DC switching regulator which uses pulse width modulation (PWM) to control and regulate both step-up and step-down outputs. It can provide up to 2.3A of output current, as well as 100mV of input/output accuracy. The RT6268GSP can operate with a wide input voltage range of 3.2V to 5.5V, making it suitable for the majority of mobile devices. It features adjustable output voltages ranging from 0.75V to a maximum of 5.5V and can be programmed through an external resistor. The RT6268GSP also features numerous protection features including over-voltage, under-voltage, over-current and over-temperature protection. It also includes a logic interface that allows for Pin Count Resistor and LOGIC Mode Programming, to allow for high-accuracy, high-speed controllability of the output voltage. This article will discuss the application field and working principles of the RT6268GSP.

Application Field

The RT6268GSP is ideal for a variety of mobile and handheld devices, such as smart phones, tablets, and wearables. It can be used to provide a low voltage output for a variety of applications such as those in the industrial, automotive and medical sectors.It can also be used for regulating the input and output of power sources products such as height adjustable electronic office furniture and powered beds. Additionally, it can be used to regulate the voltage levels in protection circuits, LED lighting and motor control applications.

Working Principle

The RT6268GSP is a step up/step down DC-DC switching regulator that uses pulse width modulation (PWM) to control and regulate the output voltage according to an external resistor product. When the device is switched on, an internal oscillator is activated and controlled by an internal resistor. The oscillator generates a PWM signal with a duty cycle that is proportional to the output voltage. This signal is then used to turn on and off external MOSFET switches, which regulate the output voltage.The RT6268GSP features adjustable output voltages from 0.75V to 5.5V that can be programmed using an external resistor. This resistor is used to control the PWM duty cycle, which in turn determines the output voltage level. The device also includes protection features, such as under-voltage lock out (UVLO), over-voltage protection (OVP), over-current protection (OCP) and over-temperature protection (OTP). These protections help to provide maximum reliability by reducing the risk of damage due to out of range voltages or short-circuits.

Conclusion

The RT6268GSP is an integrated power management IC designed for low voltage applications in mobile devices. It is a DC-DC switching regulator which uses pulse width modulation (PWM) to control and regulate both step-up and step-down outputs. It has a wide input voltage range of 3.2V to 5.5V with adjustable output voltages ranging from 0.75V to a maximum of 5.5V. The RT6268GSP is suitable for a variety of mobile and handheld devices, and can also be used for a variety of industrial, automotive and medical applications. It also includes numerous protection features, such as over-voltage, under-voltage, over-current and over-temperature protection. These features provide maximum reliability and reduce the risk of damage due to out of range voltages or short-circuits.

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