LP38856T-1.2

Current - Output:	3A
Base Part Number:	LP38856
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, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	80dB ~ 65dB (120Hz ~ 1kHz)
Current - Supply (Max):	15mA
Current - Quiescent (Iq):	300µA
Series:	--
Voltage Dropout (Max):	0.45V @ 3A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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LP38856T-1.2 Application Field and Working Principle

LP38856T-1.2 is a linear voltage regulator which belongs to a group of PMIC (power management integrated circuits). It is a very efficient and cost-effective device designed to provide power to a variety of digital and analog circuits. It is used in a wide range of products, from portable devices to medical equipment, and more recently in autonomous drone design. This article will focus on the LP38856T-1.2 application field and working principle.

LP38856T-1.2 Application Field

The LP38856T-1.2 linear voltage regulator is suitable for use in a variety of power management applications. Most commonly, the device is utilised in portable electronic devices such as smartphones and tablets, laptops, and other handheld electronics. Its low profile and wide operating temperature range allows for a simple, yet effective device that is easy to implement in a product design.Moreover, the LP38856T-1.2 can also be used in industrial and automotive control systems, as well as a variety of audio-visual equipment such as cameras and monitors. The device is built to withstand extreme temperatures, up to 125°C. It is also compatible with battery operated equipment, given its minimum dropout voltage of 1.2V. The device is designed to protect against over-voltage and over-current situations, allowing it to be used in a variety of conditions.

LP38856T-1.2 Working Principle

The LP38856T-1.2 linear voltage regulator is based on a pulse-width modulation (PWM) control system which is used to regulate the output voltage of the device. The input voltage is converted to a PWM signal, which is used to control the output voltage. The PWM switching frequency is set during the manufacturing process, ensuring stable operation of the device.The LP38856T-1.2 features overload protection, as well as short-circuit and thermal protection, further enhancing its use in a variety of environments. The device also features integrated anti-surge protection of -47V and is designed to withstand intense shock and vibration, ensuring the device can survive extreme conditions. In addition, the device features hysteresis and soft start functionality, eliminating transients and ensuring smooth voltage regulation. This provides the device with enhanced performance and improved regulation, making it an excellent choice for use in a variety of applications.

Conclusion

The LP38856T-1.2 linear voltage regulator has many advantages, making it a suitable choice for use in a variety of applications. Its small size and wide operating temperature range make the device easy to implement, while its protection features ensure it can survive extreme conditions. In addition, its PWM-based control system provides smooth, efficient regulated output, eliminating transients and ensuring stable operation. Overall, the LP38856T-1.2 is an excellent choice for power management applications, allowing engineers to optimise their design while still maintaining reliability, safety and efficiency.

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