ST2L05-1825PT

Current - Output:	1A, 1A
Base Part Number:	ST2L05
Supplier Device Package:	PPAK
Package / Case:	TO-252-5, DPak (4 Leads + Tab), TO-252AD
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	60dB (120Hz)
Current - Quiescent (Iq):	7mA
Series:	--
Voltage Dropout (Max):	1.3V @ 1A, 1.3V @ 1A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V, 2.5V
Voltage - Input (Max):	7V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction of ST2L05-1825PT Application Field and Working Principle

ST2L05-1825PT is a linear voltage regulator that forms a part of a wide range of PMIC (Power Management IC) solutions from STMicroelectronics. The ST2L05-1825PT is an LDO (Low-Dropout) Regulator with a maximum output voltage of 18V and a maximum load current of 25mA. It has an extremely low quiescent current of only 2μA and a high load regulation of 0.4% over a wide range of load conditions. The device has a low dropout voltage, which eliminates the need for any external components, such as additional MOSFETs, and provides high efficiency in the process.

Application of ST2L05-1825PT

The ST2L05-1825PT is designed to be a low-cost power solution for mobile, industrial, and automotive applications. Itssmall size, extended output voltage range, and highly efficient power capabilities allow device designers to replace a larger number of discrete components with a single monolithic integrated circuit solution. The ST2L05-1825PT is suitable for powering microcontrollers, motor drivers, wireless transceivers, LCDs, LEDs, and other applications where cost, efficiency, and size constraints are important.The ST2L05-1825PT is an ideal solution for applications that require low quiescent current, high efficiency and low output noise. Its low dropout voltage design eliminates the need for additional circuit components such as an external MOSFET, providing a high efficiency power solution. The device also features a low-noise voltage output with a maximum noise of 20μVrms at no load.

Working Principle of ST2L05-1825PT

The ST2L05-1825PT is an easy-to-use, cost-effective voltage regulator that utilizes a high-efficiency ceramic capacitance enhancement technique to provide excellent transient response and high noise immunity. The device is a linear regulator, and it has a voltage reference that is maintained by an external resistor divider. When the input voltage exceeds the set voltage reference, the device will begin to regulate the output voltage.The ST2L05-1825PT features an integrated low-side MOSFET that is used to provide additional current to the load, allowing for high-efficiency operation and low power consumption. The device also includes an over-current protection circuit and an over-temperature protection circuit to provide safety and reliability.The ST2L05-1825PT is capable of providing stable and reliable power to a wide range of applications. With its high efficiency, wide output range, low noise, and low quiescent current, the device is an ideal solution for cost-sensitive, space-constrained designs.

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