S-13A1D25-A6T1U3

Current - Output:	1A
Supplier Device Package:	HSNT-6A
Package / Case:	6-SMD, Flat Lead Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Inrush Current Limit, Over Current, Thermal Shutdown
Control Features:	Enable
PSRR:	65dB (1kHz)
Current - Supply (Max):	90µA
Current - Quiescent (Iq):	1µA
Series:	S-13A1
Voltage Dropout (Max):	0.15V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
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-13A1D25-A6T1U3 is a low-cost, low-voltage, linear voltage regulator. It is a three-terminal device providing output voltages of 11.5V and 12V, as well as adjustable output voltages in the range of 1.2V to 13.5V. It features current consumption as low as 40mA. It requires input voltages from 7V to 20V to regulate and has a maximum dropout voltage of 2V. In addition to its low cost and attractive price-performance ratios, the S-13A1D25-A6T1U3 also provides very high current supply for its low dropout voltage.

Application Fields

The S-13A1D25-A6T1U3 is suitable for a wide range of applications. It is commonly used in automotive, portable electronics, distributed power systems, avionics, as well as general switching circuits. Its low input voltage capabilities and adjustable voltage outputs make it an ideal choice for regulated power supplies, especially in applications in which cost and efficiency are the main concerns. Its low current consumption and the ability to regulate very low input voltages make it a perfect fit for automotive, distributed power systems, and applications where output voltage stability is required. In addition, the S-13A1D25-A6T1U3 is broadly used in LCD monitors, as well as printers and scanners. Because of its adjustable output voltage, the device can be used to provide regulated voltages in a cost-effective manner. It is also a popular choice for embedded systems powering small controllers with limited current consumption requirements. In audio applications, its adjustable output voltage can be used to generate a variety of power supplies to drive amplifiers and speakers.

Working Principle

The S-13A1D25-A6T1U3 utilizes a linear voltage regulator for its operation. Put simply, it reduces the input voltage level to the desired output voltage level. It does this by controlling the flow of current through a pass transistor. A reference voltage is applied to the device, as well as an external voltage divider, which determines the nominal output voltage. When the input voltage is greater than the output voltage, the pass transistor is turned on, which allows current to flow. The current flow is then regulated to maintain the output voltage constant. When the input voltage drops, the pass transistor is turned off, which stops the current flow and maintains the output voltage at the desired level. The reference voltage is also used to detect over-voltage or over-temperature conditions, which can trigger a safety shutoff.

Conclusion

The S-13A1D25-A6T1U3 is a low-cost, low-voltage, linear voltage regulator designed for a variety of applications. It is suitable for use in automotive, distributed power systems, and embedded systems, as well as LCD monitors, printers, and scanners. Its low current consumption and adjustable output voltage make it an attractive choice for regulated power supplies where efficiency and cost are the main concerns. The device utilizes a linear voltage regulator to reduce the input voltage to the desired output voltage. The reference voltage is also used to detect over-voltage or over-temperature conditions.

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