XC9236A33CMR-G

Voltage - Output (Min/Fixed):	3.3V
Base Part Number:	XC9236
Supplier Device Package:	SOT-25
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	1.2MHz
Current - Output:	600mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	6V
Voltage - Input (Min):	2V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

XC9236A33CMR-G is a power management integrated circuit (PMIC), specifically a DC-DC switching regulator, which provides voltage regulation and power management for embedded systems. The switching regulator is capable of supplying output currents of up to 1.5A and has a wide input voltage range from 4.5V to 26.5V.

Application Field

XC9236A33CMR-G is typically used in embedded systems that require regulated high power supply, such as those used in industrial applications. It can provide regulated output voltage and current for a wide variety of devices, such as sensors, motors, microcontroller, microprocessors, and other embedded system components. It is also used in consumer applications such as automotive, telecommunications, and consumer electronics.

Working Principle

XC9236A33CMR-G utilizes a switching regulator technology to achieve efficient voltage regulation and power management. Switching regulators employ “switching” of the power components at different times in order to provide regulated output voltage and current. During each cycle, the power switch is turned on and off in order to regulate the output voltage and current. This switching action produces a high frequency switching noise that must be filtered out in order to have a clean output. The switching frequency of XC9236A33CMR-G is selectable from 2.2kHz to 3.2kHz, depending on the application requirements.The input voltage and current for the device are sensed by the device and then compared against the reference voltages or current set. This comparison is used to control the on/off cycle of the power switch, and thus regulate the output voltage and current. In order to maintain the desired output voltage, the device has internal feedback circuitry that monitors the output voltage and adjusts the on/off cycle of the power switch accordingly.The switching action also requires an external inductor and capacitor for proper operation. The external inductor is used to store the electrical energy that is required for the switching action, and the external capacitor is used to smooth out the high frequency noise from the switching waveforms.

Conclusion

XC9236A33CMR-G is a DC-DC switching regulator that is capable of supplying output current up to 1.5A and is used in embedded systems that require voltage regulation and power management. It utilizes a switching regulator technology to achieve efficient voltage regulation and power management, with a selectable switching frequency from 2.2kHz to 3.2kHz. In order to achieve proper operation, it requires external components such as an inductor, capacitor, and reference voltages and currents.

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