SG1844Y-DESC

Series:	--
Packaging:	Tube
Part Status:	Active
Output Isolation:	Isolated
Internal Switch(s):	No
Voltage - Breakdown:	--
Topology:	--
Voltage - Start Up:	16V
Voltage - Supply (Vcc/Vdd):	10 V ~ 30 V
Duty Cycle:	48%
Frequency - Switching:	100Hz ~ 500kHz
Fault Protection:	Current Limiting
Control Features:	Frequency Control
Operating Temperature:	-55°C ~ 125°C (TA)
Package / Case:	8-CDIP (0.300", 7.62mm)
Supplier Device Package:	8-CDIP
Mounting Type:	Through Hole

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Introduction of SG1844Y-DESC

SG1844Y-DESC is a power management integrated circuit (PMIC) designed for the AC/DC converter market. It is an offline switcher designed for use in consumer and industrial applications. This switcher can deliver up to 3A at an input voltage of up to 40V and can support a wide range of output voltages. It is an efficient switcher providing high efficiency and low losses, and its design makes it suitable for a wide range of applications.

Application Field of SG1844Y-DESC

The SG1844Y-DESC can be used in various applications such as consumer electronics, power tools, lighting, motor drives, industrial and manufacturing equipment and many more. It is suitable for use in those applications where line and load regulation are critical, such as LED drivers giving a constant current output.The SG1844Y-DESC is also suitable for applications where power consumption needs to be minimized, for example, in battery-powered systems, and when used in flyback converters, it can provide a fast and efficient solution.

Working Principle of SG1844Y-DESC

The SG1844Y-DESC is a switching regulator that works in continuous conduction mode (CCM). This allows the switcher to achieve high efficiency while keeping low losses and stable output.In CCM, the SG1844Y-DESC continuously switches on and off in order to regulate the output voltage and current. When the switch is on, current flows through the inductor and builds up a magnetic field. When the switch is off, this field dissipates in the form of electricity, and the energy is transferred to the secondary side of the converter as regulated output.The SG1844Y-DESC has a built-in protection circuitry, which includes an under-voltage lockout system and over-current protection. It also has a built-in thermal shutdown system, which helps ensure safe operation by turning off the device when it gets too hot.

Conclusion

The SG1844Y-DESC is an efficient power management integrated circuit (PMIC) designed for the AC/DC converter market. It is an offline switcher designed for use in consumer and industrial applications and it can deliver up to 3A of output current at an input voltage of 40V. The SG1844Y-DESC is suitable for applications where line and load regulation and low power consumption are critical. It works in continuous conduction mode (CCM), in which the switcher continuously switches off and on to regulate the output voltage and current, and it also provides several protection features.

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