HLD15YED

Current - Output (Max):	15A, 15A
Control Features:	Enable, Active High
Size / Dimension:	2.40" L x 2.28" W x 0.50" H (61.0mm x 57.9mm x 12.7mm)
Package / Case:	10-DIP Module, 1/2 Brick
Mounting Type:	Through Hole
Efficiency:	81%
Operating Temperature:	-40°C ~ 100°C
Features:	Remote On/Off, OCP, OTP, OVP, UVLO
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	60W
Series:	HLD
Voltage - Output 3:	--
Voltage - Output 2:	2.5V
Voltage - Output 1:	3.3V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Bulk

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DC-DC ConvertersDC-DC converters are crucial components in today’s electronic systems. They convert direct current (DC) from one voltage level to another, while maintaining the desired voltage and current level without introducing distortion. The HLD15YED is an example of a DC-DC converter. This article will provide an overview of its application field and working principle.The HLD15YED is a high-efficiency, low-dropout (LDO) linear voltage regulator designed for applications that demand low output noise and low dropout voltage over a wide range of input voltages. It supports both adjustable and fixed output voltages, making it suitable for a variety of applications, such as communications systems, consumer electronics, automotive, and industrial electronics.One of the standout features of the HLD15YED is its ultra-low quiescent current of just 4 µA under normal operating conditions, making it well-suited for low-power applications in today’s increasingly power-conscious environment. The device also provides a power saving mode that reduces the quiescent current to a mere 0.3 µA. This feature can be activated via an enable pin, allowing for improved battery life in battery-powered devices.The HLD15YED also offers a wide input voltage range, from 4V to 36V, and a wide output voltage range, from 1.2V to 30V. This wide dynamic range makes it suitable for a range of voltage regulation requirements. Moreover, the device features very low voltage dropout, which ensures regulation even when the output voltage is too close to the output voltage.Regarding the working principle of the HLD15YED, it takes advantage of the adjustable output feature for applications that require programmable conversion. In this case, the additional pin corresponding to the voltage setpoint allows the output voltage to be adjusted via an external voltage reference. The voltage control is performed by an integrated voltage reference (Vref) that provides a regulated output voltage. Through pulse-width modulation (PWM) domain control, the output voltage can be adjusted precisely. Otherwise, the device has a fixed voltage of 5.0V, which can be used for applications that require a fixed output voltage.In summary, the HLD15YED is a reliable DC-DC converter designed for low-power applications that require low output noise and wide input and output voltage ranges. It features ultra-low quiescent current that can be further reduced via the power-saving mode, adjustable and fixed output voltages, and very low voltage dropout for regulation even when the output voltage is close to the input voltage. It operates via an integrated voltage reference and PWM domain control for adjustable applications.

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