LP38859T-1.2/NOPB

Current - Output:	3A
Base Part Number:	LP38859
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:	Soft Start
PSRR:	80dB ~ 65dB (120Hz ~ 1kHz)
Current - Supply (Max):	15mA
Current - Quiescent (Iq):	8.5mA
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:	Active
Packaging:	Tube

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Applied to different areas, linear voltage regulators ( LVRs ) require low power and wide operating current of output design. LP38859T-1.2/NOPB is a type of voltage regulator, used for the integrated power management applications on your device. This article will introduce the application field and working principle for the LP38859T-1.2/NOPB.Application fieldLP38859T-1.2/NOPB is a LVR with wide input voltage range of 2.7V-5.5V. Thus, it is widely used in many integrated power management applications, especially mobile device applications. It can realize general power management mainly and other power management function, improve the competitiveness of integrated devices on the market.The LP38859T-1.2/NOPB high output current is 1A, which is low power-consumption devices and easy to operate perfectly in standby mode. It also provides rapid transient response and good noise rejection, so that it can be used in different portable applications, from low power battery powered devices to high-frequency communication systems.LP38859T-1.2/NOPB\'s wide input voltage range and 1A output current make it an ideal choice for low power-consumption mobile devices applications, such as tablets and smart phones. The wide operating range, 1A output current and low input voltage provide advantages for the power management of such devices.Working PrincipleLP38859T-1.2/NOPB is a three-pin voltage regulator which is available in SOT23 package and NOPB package, so it can be used in different device configurations. The three pins include Input Voltage (VIN), Power-On Reset (POR) and Output Voltage (VOUT).The basic operating principle is: when VIN meets the input voltage requirement, the POR is pulled low and the regulator can provide output voltage as long as the VOUT is between the two voltage limits. To reduce the power consumption, the regulator will reduce the output voltage as the VIN voltage drops.LP38859T-1.2/NOPB also includes thermal protection, so it can ensure the regulator\'s ability to work normally even at higher temperatures. It is also designed to have a temperature coefficient of 0,01%, so it can provide stable and reliable output voltage.ConclusionLP38859T-1.2/NOPB voltage regulator is suitable for low power-consumption and wide input voltage application. It has a wide operating voltage range of 2.7V-5.5V, 1A output current, good noise rejection and low standby current, which make it perfect for integrated power management and mobile device applications. Moreover, the voltage regulator has a temperature coefficient of 0.01% to ensure the stability and reliability of the output voltage.

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