S-1317A30-A4T2U4

Voltage Dropout (Max):	0.02V @ 10mA
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:	Over Current
Control Features:	--
PSRR:	--
Current - Quiescent (Iq):	530nA
Current - Output:	100mA
Series:	S-1317
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
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-1317A30-A4T2U4 is a low-cost, low-dropout linear voltage regulator (LDO) designed for use in both circuit symmetric and asymmetric power supplies. This voltage regulator consists of three parts: an input stage, a sense stage and an output stage. It provides a wide range of output voltages and ensures that the required regulated output voltage is maintained over a wide operating temperature range. The S-1317A30-A4T2U4 is a CMOS based voltage regulator designed to operate over a variety of input voltages, from 0.8V to 10V and a wide range load currents, from 10mA up to 1A.

Application Fields

The S-1317A30-A4T2U4 is used in a variety of applications, including military and aerospace applications, in which it can be used in circuit protection, power management and line protection, among other uses. In addition to the applications mentioned, the S-1317A30-A4T2U4 can also be used to provide power to a wide range of micro-controllers and micro-processors, such as PIC micros, ATMEL ARM micros, EFSK and RISC devices. It is also suitable for use in FPGA circuits, as well as other circuits where high levels of power maintenance and current stability are necessary. Furthermore, this voltage regulator can be used in automotive and telecommunications applications.

Working Principles

The S-1317A30-A4T2U4 is designed to work with a wide range of input voltages and has an operating temperature range of -40°C up to 85°C. It has an output voltage range of 1.2V up to 10V, and provides a regulated output voltage, even when the input voltage is varied. This voltage regulator also includes a low-noise, low-dropout linear regulator and a high-accuracy voltage divider. The input stage of this voltage regulator is responsible for providing a stable input signal to the sense stage. This stage is also responsible for compensating any voltage drops due to temperature changes. The sense stage of the S-1317A30-A4T2U4 is what allows it to provide a very low output ripple and noise level while still providing high accuracy. It is during this stage that the voltage divider is able to provide the feedback to the input stage. Finally, the output stage of the regulator is able to deliver the desired output voltage. In order to ensure that the accuracy of the output is maintained, a voltage reference is used on the output stage.

Conclusion

As a low cost and low dropout linear voltage regulator, the S-1317A30-A4T2U4 provides a variety of applications, from circuit protection and power management to micro-controllers, processors and FPGA circuits. It is designed to work with wide range of input voltages and provides an operating temperature range of -40°C up to 85°C. The S-1317A30-A4T2U4 is a CMOS based voltage regulator and can deliver an output voltage range of 1.2V up to 10V. It contains an input stage, a sense stage, and an output stage, which are all responsible for providing the desired regulated output voltage.

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