S-1315D29-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):	2.9V
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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S-1315D29-M5T1U3 Application Field and Working Principle

The S-1315D29-M5T1U3 is a linear voltage regulator from new power IC series from Semtech Solutions. As one of the professional integrated device suppliers (IDM) in the industry, Semtech Solutions offers the S-1315D29-M5T1U3 Linear Voltage Regulator series to produce highly regulated outputs that range from 500 to 1,500 mV, with quiescent current (IQ) as low as 0.5 mA and low dropout voltage suitable for handheld and portable applications. This device is ideal for supporting small and low-voltage motion processors, modems, acoustic and image sensors, Bluetooth modules, and other types embedded systems.

Advantages of S-1315D29-M5T1U3

The S-1315D29-M5T1U3 offers a variety of features that make it suitable for use in embedded systems and other applications. These features include:

• Wide operating temperature range: -40°C to +125°C
• Low quiescent current of 0.5 mA, with a maximum output power of 910 mW.
• High accuracy output voltage regulation.
• Short-circuit protection, over-current protection and over-temperature protection.
• Compact size of 8-pin U-DFN package

Typical Application Fields

The S-1315D29-M5T1U3 can be used in low-power embedded systems, providing a low-dropout linear regulator solution that is efficient and cost-effective. It provides stable output voltage with low noise and efficient power management for a wide range of applications, including:

• Mobile phones, PDAs.
• Cellular base-stations.
• Portable equipment.
• Industrial electronics.
• Computer peripherals and displays.
• Set-top boxes.
• Data acquisition systems.
• Multimedia applications.

Working Principle and Features

The S-1315D29-M5T1U3 is a low-dropout voltage regulator that provides stable output voltage with low quiescent current. It incorporates an SCR (short-circuit protection) and OVP (over-voltage protection) feature to prevent damage to the device under extreme over-load conditions.The device consists of a pass transistor and three error amplifiers that convert the input voltage of 1.8 V to 5 V into a regulated output voltage of between 500 and 1,500 mV. The error amplifiers monitor the voltage, compare it to an internal reference and adjust the output voltage accordingly. A temperature sensor inside the device provides over-temperature protection and an internal current limiting circuit will respond to over-current conditions or to an output short circuit, preserving device integrity.The device is built with a unipolar NPN bi-polar transistor and uses a low dropout voltage that is ideal for low operating-voltages. The output voltage is adjustable via a trim resistor and the output current is limited to a full output current IO of 1.6 A. The device has a maximum output power of 910 mW with a typical quiescent current of 0.5 mA. The device is available in a small 8-pin U-DFN package that is ideal for applications requiring tight layout spacing. It is designed for use in industrial and consumer applications that require efficient and cost-effective power management and stable output voltage.

Conclusion

In conclusion, the S-1315D29-M5T1U3 from Semtech Solutions is an excellent choice for efficient, cost-effective and reliable voltage regulation in a wide variety of applications. It offers a wide operating temperature range, low quiescent current and a maximum output power of 910 mW. With short-circuit protection, over-current protection, and over-temperature protection, the S-1315D29-M5T1U3 ensures that it will remain reliable in extreme operating environments. With its small 8-pin U-DFN package and adjustable output voltage, this linear voltage regulator is ideal for small and low-voltage motion processors, modems, acoustic and image sensors, Bluetooth modules and other embedded systems.

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