S-1315D40-M5T1U3

Current - Output:	200mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Protection Features:	Over Current
Control Features:	Enable
PSRR:	55dB (1kHz)
Current - Supply (Max):	13µA
Current - Quiescent (Iq):	1µA
Series:	S-1315
Voltage Dropout (Max):	0.28V @ 200mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4V
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-1315D40-M5T1U3 voltage regulator is designed to provide a regulated output voltage in the range of 1.85-3.3V for applications with a maximum current draw of 3A. It has an operating temperature range of -40 to 85C. The device includes an internal linear voltage regulator, protection circuitry, and an adjustable output voltage. This article will discuss the application fields and working principle of the S-1315D40-M5T1U3 voltage regulator.

Applications

The S-1315D40-M5T1U3 voltage regulator is designed for use in:

• Cellular phones
• Wireless networks
• Smartphones
• PDAs
• Bluetooth products
• Digital cameras
• Industrial control systems
• Set top boxes

The device is suitable for applications where low quiescent current is desired. It can also be used in applications requiring high output accuracy and fast transient response.

Working Principle

The S-1315D40-M5T1U3 voltage regulator consists of four main components: a linear voltage regulator, protective circuitry, a voltage divider and an output terminal. The linear voltage regulator is used to regulate the output voltage to a preset level. The protective circuitry is designed to protect the device from overvoltage or short circuit conditions. The voltage divider provides the reference input voltage to the regulator, allowing the output voltage to be adjusted within its limits. Finally, the output terminal is used to connect the voltage regulator to the system\'s load.When the S-1315D40-M5T1U3 voltage regulator is activated, the power is supplied to the input terminal and the internal linear regulator starts to work. The regulator monitors the output voltage and adjusts itself to provide the required output voltage. The voltage divider provides a reference voltage which the regulator uses to set the output voltage. The protective circuitry monitors the output voltage and adjusts itself to protect the regulator from current overloads and overvoltage conditions.

Conclusion

The S-1315D40-M5T1U3 voltage regulator is suitable for a variety of applications where low quiescent current is desired. It is capable of regulating an output voltage from 1.85-3.3V and delivering a maximum current of 3A. The device is protected from overvoltage and overcurrent conditions and includes a voltage divider which is used to adjust the output voltage. With its adjustable output voltage and fast transient response, this voltage regulator is an ideal choice for a variety of applications.

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