S-1721A1833-M6T1G

Current - Output:	150mA
Supplier Device Package:	SOT-23-6
Package / Case:	SOT-23-6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	Enable
PSRR:	75dB (1kHz), 70dB (1kHz)
Current - Supply (Max):	45µA
Current - Quiescent (Iq):	1µA
Series:	S-1721
Voltage Dropout (Max):	0.35V @ 100mA, 0.23V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V, 3.3V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tape & Reel (TR)

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S-1721A1833-M6T1G Application Field and Working Principle

Introduction

The S-1721A1833-M6T1G is a high-performance voltage regulator from Sanken Electric Co., Ltd., part of the renowned ET1705S linear voltage regulator series. It is intended for use in applications that require a precise and stable output voltage, such as power supplies and DC-DC converters. As a low dropout (LDO) voltage regulator, it is capable of providing precise output voltages even at low input voltages. Additionally, the S-1721A1833-M6T1G is small and energy efficient, making it ideal for many applications.

Application Field

The S-1721A1833-M6T1G is a low dropout voltage regulator and is suitable for applications that require a precise and stable output voltage. It can be used in power supplies, DC-DC converters, and other regulated voltage applications. The S-1721A1833-M6T1G can be used to power instruction logic, microprocessors, display systems, communication systems, and motor drivers. It can also be used to provide a regulated voltage for sound systems, headphones, and television sets. Furthermore, the S-1721A1833-M6T1G can be used in automotive applications such as power steering, electronic door locks, and electronic fuel injection systems.

Working Principle

The S-1721A1833-M6T1G is a linear voltage regulator that is designed to maintain a precise output voltage at its output. The device achieves this by sensing the voltage at its output and comparing it to a predetermined reference voltage set by the user. If the output voltage is different from the reference voltage, the device adjusts the current input to the output to adjust the output voltage until it matches the reference voltage.The S-1721A1833-M6T1G features an adjustable series pass transistor with an integrated reference voltage. This allows for low-noise applications at high frequencies without the need for additional components. Additionally, the device has a wide temperature range and is capable of providing a stable voltage even with line and load regulations.

Conclusion

The S-1721A1833-M6T1G is a low dropout voltage regulator from Sanken Electric Co., Ltd., part of the ET1705S linear voltage regulator series. It is intended for applications where precise and stable output voltages are required, such as power supplies and DC-DC converters. The device has an adjustable series pass transistor with an integrated reference voltage, allowing for low-noise applications at high frequencies without the need for additional components. It also has a wide temperature range and is capable of providing a stable voltage even with line and load regulations.

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