S-1335H19-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, Soft-Start
Control Features:	Enable
PSRR:	80dB ~ 70dB (1kHz ~ 10KHz)
Current - Supply (Max):	54µA
Current - Quiescent (Iq):	1µA
Series:	S-1335
Voltage Dropout (Max):	0.14V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.9V
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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Introduction

S-1335H19-A4T2U3 is a linear voltage regulator from the PMIC (Power Management IC) family. It is designed to provide regulated voltage to electronic circuits and other various applications. It is a monolithic integrated circuit and includes an output transistor, current limit circuit, error amplifier and thermal shutdown current in a single unit. The S-1335H19-A4T2U3is an adjustable regulator with a voltage range of 1.2 to 20 VDC adjustable by extending the two pins at the input. It is a versatile component that simplifies design, reduces component count and the need for costly components. Moreover, it provides a stable voltage output and is suitable for small,low power applications.

Application field

This linear voltage regulator can be used in many applications, including in data converters, laptop computers, digital cameras, CD/DVD players, cellular phones,and GPS systems. It is used to provide a regulated voltage to all types of integrated circuits, microprocessor systems and other electronic systems. It is also used in automotive application such as air bag deployment, cruise control systems and audio systems, to name a few.The S-1335H19-A4T2U3is suited for low power applications where output current is relatively low, and the maximum load current of the output must not exceed 1 Amp. It is also suitable for power supplies for personal electronics and general purpose circuit applications.

Working principle

The S-1335H19-A4T2U3 is a three-terminal and three-pin device with an input, output and adjustment pin (or reference voltage). The adjustment pin provides a reference voltage, while the input pin provides an input voltage, and the output pin is connected to the load. The voltage regulator is configured in a linear regulation system, where the output voltage is controlled by adjusting the reference voltage. This is done by an error amplifier whose output is compared to the reference voltage to sense and control any differences. The output voltage is regulated and stabilized by the error amplifier, thus maintaining a constant output voltage even as the input voltage fluctuates.The S-1335H19-A4T2U3 also incorporates a current limiting feature. If the output current exceeds the maximum rating the current limit circuit will cut off the output pin automatically, thus preventing the device from being overstressed.

Conclusion

The S-1335H19-A4T2U3 from PMIC (Power Management IC) family is a linear voltage regulator that provides regulated voltage to electronic circuits and various other applications. It is a three-terminal and three-pin device with an input, output and an adjustment pin. It is suitable for low power applications where the output current is relatively low and the maximum load current is not more than 1 Amp. It incorporates a current limiting feature which cuts of the output pin automatically if the output current exceeds the maximum rating.

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