S-1335D21-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):	0.127V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.1V
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-1335D21-A4T2U3, is a voltage regulator designed and produced by SKYPER Electronics, a leading manufacturer in PMIC – Voltage Regulators-Linear segment. This family of voltage regulators, when powered with an appropriate voltage, enables safely setting voltage levels for various end applications.

Technology Overview

The S-1335D21-A4T2U3 utilizes the built-in circuitry of the PMIC-Voltage Regulators-Linear and hence is able to offer low-noise levels and stable output. This type of voltage regulator is available in a wide range of fixed output voltages, adjustable output and negative/positive polarity configurations. The S-1335D21-A4T2U3 comes with a range of features specifically designed to maximize the performance of this voltage regulator. These features include low stand-by current operation, high frequency operation, low voltage operation, current limiting, fast transient response, and tolerance to line and load variations. The S-1335D21-A4T2U3 is also highly optimized for use with low-cost inductor designs.

Precision Voltage Regulation

The S-1335D21-A4T2U3 has a very low voltage drop, which helps prevent the output voltage from fluctuating. The accuracy of the voltage being regulated can be determined in terms of a set differential between the input and output voltage. The error is usually within ±1.5%, making it ideal for use in precision voltage regulation applications.The S-1335D21-A4T2U3 has a temperature range of -40DegC to +85DegC, and it also supports frequency range of 0Hz to 2KHz. This makes it suitable for applications working in extreme temperature ranges. This feature also makes it energy efficient, as the voltage regulator only needs to draw current when it is actually functioning.

Working Principle

The S-1335D21-A4T2U3 utilizes a control loop to obtain precise regulation of output voltage. This control loop consists of a power source, a power transistor, and a feedback resistor network. The power source provides the voltage to be regulated, while the power transistor is used to control the flow of current so that the output voltage remains within specified range. The feedback resistor network produces a voltage divider which establishes the desired output voltage. In order to ensure that the output voltage is maintained within a specified range, the S-1335D21-A4T2U3 utilizes an adjustable feedback resistor network. This adjustable resistor network allows the user to choose an output voltage range, which in turn determines the amount of power that the output voltage will draw. The S-1335D21-A4T2U3 features an adjustable trimming resistor that can be adjusted to fine-tune the output voltage range.

Application Fields

The S-1335D21-A4T2U3 is commonly used in various applications such as positional transducers, voltage converters, programmable logic controllers, RTDs, computers, radio receivers, and voltage monitoring systems. This voltage regulator is also widely used in automotive, medical, and aerospace applications, where precision voltage regulation is paramount. The S-1335D21-A4T2U3 is also suitable for use in applications in which transient response times needs to be minimized. This can be achieved by utilizing the integrated programmable resistors to control the transient response times.

Conclusion

The S-1335D21-A4T2U3 is designed to be used in applications requiring precision voltage regulation. It is ideal for use with low-cost inductor designs and provides exceptional performance in terms of low voltage drop, low stand-by current operation, low voltage operation, current limiting, and fast transient response. The S-1335D21-A4T2U3 is suitable for use in a number of different application fields including automotive, medical, and aerospace.

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