UA78L12ACLPME3

Voltage Dropout (Max):	1.7V @ 40mA
Base Part Number:	UA78L12
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity, Short Circuit
Control Features:	--
PSRR:	42dB (120Hz)
Current - Output:	100mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	12V
Voltage - Input (Max):	27V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Box (TB)

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Introduction:The UA78L12ACLPME3 is an integrated linear voltage regulator that provides regulated output voltage to a variety of applications. It performs all the functions of a linear regulator in a single package and also includes a power MOSFET driver and other protection features.Application Field:The UA78L12ACLPME3 is designed to provide regulated output voltage in automotive, medical, industrial and consumer systems. It can be used as a general-purpose voltage regulator to supply a low noise and stable output voltage over a wide range of temperatures and load conditions. It is ideal for use in systems requiring reduced EMI and low heat dissipation. Additionally, it also features on-chip diagnostic functions, protection features, and excellent transient response.The primary use of the UA78L12ACLPME3 is in automotive applications. It is designed to provide voltage regulation for on-board components such as radios and lights and for the power management of engines and other on-board systems. It is also suitable for use in medical devices, industrial equipment and consumer electronics, providing efficient voltage regulation with excellent noise performance and transient response. Working Principle:The UA78L12ACLPME3 is a linear regulator with on-chip protection features that provide excellent protection against overloads, overvoltages, overtemperatures and overcurrents. The UA78L12ACLPME3 can provide up to 1A of load current and deliver an output voltage range of 0.8V - 5V.At the heart of the UA78L12ACLPME3 is the regulator topology and feedback mechanism. The integrated regulator topology features a power MOSFET driver and error amplifier with accurate reference voltage source. The reference voltage is monitored and compared to the input voltage by the error amplifier which then adjusts the output voltage to match the input voltage. This keeps the output voltage constant and regulated, regardless of load or temperature conditions.The UA78L12ACLPME3 requires an external bypass capacitor to stabilize the output voltage. The bypass capacitor helps to keep the ripple voltage at low levels to reduce EMI and noise.Conclusion:In summary, the UA78L12ACLPME3 is an ideal device for automotive, industrial, medical and consumer applications. It provides excellent protection against overloads, overvoltages, overtemperatures and overcurrents and offers a wide range of input and output voltages with excellent noise and transient response. The UA78L12ACLPME3 is an efficient and compact solution for a variety of voltage regulation applications.

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