S-1312B25-A4T2U3

Current - Output:	150mA
Supplier Device Package:	HSNT-4-B
Package / Case:	4-SMD, Flat Lead Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Overcurrent, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	30µA
Current - Quiescent (Iq):	1µA
Series:	S-1312
Voltage Dropout (Max):	0.32V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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＜h1＞S-1312B25-A4T2U3 application field and working principle＜/h1＞The S-1312B25-A4T2U3 voltage regulator belongs to the family of PMIC (Power Management Integrated Circuits) linear voltage regulators, alongside the likes of 78xx and 79xx series, S-1312B25-A4T2U3 is a popular choice for voltage regulation that offers a variety of features, efficient performance and numerous options for applications. S-1312B25-A4T2U3 is a user friendly and dual output linear voltage regulator with two identical and independent outputs, operating over a wide input voltage range from +6V to +30V DC. The outputs are adjustable and can be adjusted to a pre-determined level over a wide range of output voltage levels. This makes them ideal for powering DC motors, LCD or LED displays, and microcontrollers, as well as other electronic components that require a regulated supply of power. The S-1312B25-A4T2U3 is a very efficient linear voltage regulator which is capable of delivering power to applications with a minimum output voltage as low as 1.5V and as high as 26V DC. It provides a large range of protection features such as over-temperature, overload protection, over-current and reverse polarity protection to ensure the stability and reliable operation of the system. The S-1312B25-A4T2U3 comes with a variety of features including output voltage monitoring, pulse-by-pulse current limiting, syncronized shutdown and reset. These features add to the stability and reliability of the device, ensuring the output stays within the expected range.The S-1312B25-A4T2U3 voltage regulator is ideal for a wide range of applications and is especially suitable for applications such as motor speed control systems, LED/LCD displays, and low voltage microcontrollers. It is a relatively low cost solution that is both easy to implement and efficient. The working principle of the S-1312B25-A4T2U3 linear voltage regulator is based on the internal error amplifier architecture, wherein a resistor divider is used to determine the desired output voltage. This voltage is then compared to an internally generated reference voltage, and the error amplifier adjusts the output voltage accordingly. When the input voltage is higher than the target output voltage, the error amplifier commands the controller to turn on and activate the synchronous rectifier and LM2595 to reduce the output voltage. Conversely, if the input voltage is lower than the target output voltage, the error amplifier command will be to turn off the synchronous rectifier, allowing the output voltage to rise, until it reaches the desired level. The S-1312B25-A4T2U3 also features a variety of protection circuits, designed to protect both the device, and the connected load, from irreparable damage. These protection circuits include, but are not limited to, over-current, over-temperature, and short circuit protection. In conclusion, the S-1312B25-A4T2U3 voltage regulators are a versatile, cost effective and efficient solution for a wide range of regulated power supply applications. The internal error amplifier architecture helps to maintain the stability of the output and protect both the device and load from damage, while the wide range of protection features add an extra layer of reliability and safety.

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