LP3852ET-2.5

Current - Output:	1.5A
Base Part Number:	LP3852
Supplier Device Package:	TO-220-5
Package / Case:	TO-220-5 Formed Leads
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	73dB ~ 57dB (120Hz)
Current - Supply (Max):	10mA
Current - Quiescent (Iq):	3mA
Series:	--
Voltage Dropout (Max):	0.38V @ 1.5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	7V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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LP3852ET-2.5 Voltage Regulator

The LP3852ET-2.5 is a high-efficiency, low-dropout voltage regulator designed specifically for a wide range of industrial, commercial, and communication applications. It is one of the many voltage regulators in the family of linear PMIC (Power Management Integrated Circuit) voltage regulators offered by National Semiconductor Corporation.

Application Fields

One of the most significant advantages of this voltage regulator is that it is suitable for a wide range of applications. For example, it can be used in a range of communication and industrial applications such as servers, switches, routers, and PBX systems. It is also suitable for medical and industrial applications, thereby making it a versatile regulator that offers high performance and efficient power management functions. Moreover, this voltage regulator offers a wide range of input and output voltages, which make it suitable for large scale applications. The regulator consumes very little current and produces low heat dissipation, making it ideal for applications that require minimal power consumption. In addition, the voltage dropout is low, which makes it suitable for high current applications.

Working Principle

The LP3852ET-2.5 is based on a linear voltage regulator topology in which the output voltage is stabilized over line, load, and temperature variations. The regulator uses a standard P-Channel MOSFET transistor, which is supply voltage sensed. The internal voltage reference is used to adjust the output voltage precisely, while the output current is controlled by an internal current limit. The regulator also features thermal shutdown and short-circuit protection. The regulator has a high switching frequency that allows for fast output voltage regulation, thus achieving excellent transient performance. The regulator also uses advanced soft-start circuitry which reduces the inrush current during power-on and power-off cycles.

Conclusion

The LP3852ET-2.5 is a high-efficiency, low-dropout linear voltage regulator circuit with a wide range of applications. It offers excellent performance and power management capabilities, and its low current consumption makes it suitable for high current applications. It also offers a high switching frequency that results in fast output voltage regulation and improved transient performance. The advanced soft-start circuitry reduces inrush current during power-on and power-off cycling, and the thermal shutdown and short-circuit protection ensures safe operation of the circuit.

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