Current - Output:	150mA
Base Part Number:	ZXCL280
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	120µA
Current - Quiescent (Iq):	50µA
Series:	--
Voltage Dropout (Max):	0.28V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage Regulators - Linear

ZXCL280E5TA is a voltage regulator designed by Diodes Incorporated, which is a leader when it comes to providing integrated power solutions. The device is capable of delivering up to 5A (Ampere) of peak current with a dynamic headroom that helps the device to quickly reverse the current from source to sink mode, or vice versa. The device features low quiescent current, allowing for a long standby time for applications that require a very high energy efficiency.

Application Field

ZXCL280E5TA is a great voltage regulator for applications that require a high current capacity. It is commonly used in microcontrollers, audio amplifiers, motors, lighting systems, and other power-intensive, power critical applications. It is also well suited to applications that require a high level of speed, as the device’s current can be changed rapidly to reverse from source to sink.

Working Principle

ZXCL280E5TA is a linear voltage regulator, meaning that it is one of the simplest forms of regulating voltages. It works by using a series of resistive and capacitive components to reduce the output voltage. The series of resistive components works to reduce the output voltage by reducing the current, while the capacitive components smooth out the voltage waveforms. The device can be adjusted in order to provide different levels of regulation.

Structure

The device is composed of two external power transistors, a sense resistor, and a thermal switch. The two transistors form the output stage of the voltage regulator, while the sense resistor allows for precise voltage setting. The thermal switch allows for the device to automatically shut off in case of overheating, providing protection for the components and ensuring that the device can work reliably.

Features

ZXCL280E5TA is capable of delivering up to 5A of peak current and regulating it over a wide range of voltages. It features an adjustable voltage set point, programmable slope compensation, adjustable soft start current limit, a frequency synchronization gap, and a status output channel. Additionally, the device has integrated overvoltage, undervoltage, and over-temperature protection as well as a low quiescent current of 0.7μA, allowing for a long standby time even under high current demands.

Conclusion

ZXCL280E5TA is a high performance, cost-effective voltage regulator designed by Diodes Incorporated. It offers a wide operating range and is suitable for high current applications. Its integrated protection features, low quiescent current and programmability makes it an ideal choice for high power, high precision, and high-efficiency applications.

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