S-13R1G40-I4T1U3

Current - Output:	150mA
Supplier Device Package:	SNT-4A
Package / Case:	4-SMD, Flat Leads
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Overcurrent, Reverse Current, Thermal Shutdown
Control Features:	Enable
PSRR:	70dB (1kHz)
Current - Supply (Max):	9µA
Current - Quiescent (Iq):	1µA
Series:	S-13R1
Voltage Dropout (Max):	0.23V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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IntroductionThe S-13R1G40-I4T1U3 is a linear voltage regulator with its wide application field being various electrical and electronic products, including smart phones and tablet computers, PDAs, PCs, game consoles and more . It is specifically designed to provide voltage regulation for power supply systems. The ability to integrate and execute both parallel and sequential functions makes it an ideal solution for cost-effective power delivery in many different applications.Application FieldThe S-13R1G40-I4T1U3 is ideal for providing a high degree of accuracy and reliability for power delivery in low-voltage applications. Its typical application field includes: mobile phones, tablets and other portable consumer electronics, as well as industrial and automotive electronics.The S-13R1G40-I4T1U3 is able to deliver up to 1.3A output current to low voltage applications. It also features an over-current protection circuit that helps protect the device from damage due to high currents. Its wide operating temperature range and excellent accuracy makes it suitable for applications in extreme environment conditions. Moreover, its short-circuit protection, soft start, and over-temperature protection all make it an ideal choice for high-reliability applications.Working PrincipleThe S-13R1G40-I4T1U3 works on a linear voltage regulation principle. It is made up of two transistors – one bipolar junction transistor (BJT), and a second field-effect transistor (FET) – and works in the linear mode.At the Reference Input, an input voltage is applied to the first stage of the BJT. This voltage is then amplified by the transistor. The amplified voltage is then applied to the Gate of the FET. Once this is done, the FET amplifies the signal, and produces a voltage drop on the Source of the FET. This voltage drop is then regulated by the feedback loop, and is regulated in order to produce a desired output. The S-13R1G40-I4T1U3’s linear voltage regulation works by utilizing a feedback circuit, in which the output of the regulator is compared to the reference. If the output deviates from the reference, the error is amplified and fed back in order to produce a corrective action. The amount of correction applied to the output is proportional to the amount of error in the output compared to the reference. As such, the output is automatically regulated and kept at the required level of accuracy.Protection FeaturesThe S-13R1G40-I4T1U3 is made to provide an efficient current limitation, over-current and over-temperature protections. The over-current protection works by setting an internal current-limit switch to protect the circuit from getting damaged due to excessive current draw. When the current drawn exceeds a preset value, the internal switch is opened and the output voltage is dropped until the circuit returns to its normal operating range.The over-temperature protection ensures that no harm is done to the circuit when the junction temperature of the device exceeds a pre-determined level. This protection feature saves the device from burning out due to thermal overloads.ConclusionThe S-13R1G40-I4T1U3 is a linear voltage regulator designed to provide a high degree of accuracy and reliability for low voltage applications. Its wide application field, precise accuracy, and protection features make it an ideal choice for cost-effective power delivery in many different applications. It is suitable for products such as mobile phones, tablets, and other consumer electronics, as well as industrial and automotive electronics. The linear voltage regulation principle, combined with its integrated protection features, ensures that the S-13R1G40-I4T1U3 provides stability and reliability for even the most extreme environments.

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