S-1335G18-A4T2U3 Integrated Circuits (ICs)

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):	1.8V
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

The S-1335G18-A4T2U3 is a linear voltage regulator (also known as a linear voltage regulator) that is used to regulate the voltage on a system or device. It is a three-terminal device designed to provide a low-dropout (LDO) voltage regulation with a minimum 4% variation over temperature and maintains line regulation of 1%. A wide input voltage range up to 18V makes the S-1335G18-A4T2U3 ideal for applications including battery-powered systems, secondary supplies, and general purpose power supplies.

Application Field

The S-1335G18-A4T2U3 is a high-performance linear voltage regulator ideal for applications where a low-dropout voltage regulator is needed. It features a wide input voltage range up to 18V and offers a 4% variation over temperature and excellent line regulation of 1%. This makes it suitable for powering battery-powered systems, secondary supplies and other applications requiring a smooth, regulated power supply.The S-1335G18-A4T2U3 can be used on a variety of systems and devices such as industrial control and measurement equipment, data terminals, embedded systems, lighting systems and computer circuits. Additionally, it is also available in a dual-output variant allowing two regulated outputs to be driven simultaneously. This makes it especially useful in systems such as motor control circuitry or low noise dual supply systems.

Working Principle

The S-1335G18-A4T2U3 is a voltage regulator designed to provide a low-dropout voltage regulation with a minimum 4% variation over temperature and 1% line regulation. It is a three-terminal device with an input voltage range up to 18V.The primary function of the regulator is to provide a regulated output voltage (Vout) independent of input voltage variations and load changes. This is achieved by comparing the output voltage to an internally generated reference voltage (Vref) and then adjusting the amount of current conducted to the output by the internal pass transistor accordingly.The voltage regulator operates by using negative feedback technology in which the feedback signal is generated from the output terminal, which is compared to the reference voltage to establish a set voltage level. This set voltage level is then kept constant through fluctuations in the input voltage, load current and temperature changes.The S-1335G18-A4T2U3 also features over-current and thermal protection. The over-current protection prevents output current from exceeding a preset maximum limit by shutting down the output. The thermal protection provides an over-temperature protection which will automatically shut down the regulator when temperatures exceeds a preset limit.

Conclusion

The S-1335G18-A4T2U3 is an advanced linear voltage regulator designed to provide low-dropout voltage regulation with a minimum 4% variation over temperature and line regulation of 1%. It is particularly suitable for applications where battery-powered systems, secondary supplies or general purpose power supplies are required. The basic function of the regulator is to provide a regulated output voltage and this is achieved by using negative feedback technology. Additionally, the S-1335G18-A4T2U3 also features over-current and thermal protection for improved reliability.

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