S-1313A35-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:	Overcurrent, Thermal Shutdown
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	1.35µA
Current - Quiescent (Iq):	100nA
Series:	S-1313
Voltage Dropout (Max):	0.32V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.5V
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-1313A35-M5T1U3 is a high performance, monolithic step-down switching regulator with a voltage range between 0 and 40 V. This linear voltage regulator features low quiescent current, high output current, and high efficiency. It is ideal for use in high-power applications such as power management, battery charging, LCD/LED backlighting, and point-of-load (POL) switching.The S-1313A35-M5T1U3 is a low-cost, dual-channel, linear voltage regulator with a total output current rating of 35A. It offers both synchronous and asynchronous operation for efficiency optimization, a wide input voltage range, and selectable current limit. This device is housed in a tiny, space-saving 5x5mm DFN package.

Application Field

S-1313A35-M5T1U3 is a perfect solution for applications requiring low noise step-down voltage regulation. It is suitable for applications such as battery charging, LCD/LED backlighting, power management, point-of-load (POL) switching, and automotive systems.The low quiescent current and high output current makes S-1313A35-M5T1U3 ideal for multiple output applications where one or two analog supplies are available with different voltage requirements. The device also features selectable current limit, short-circuit protection, and thermal shutdown to protect the device from any unwanted trashes or overloads.The S-1313A35-M5T1U3 is also suitable for applications in the automotive and industrial sectors. It is ideal for power modules in hybrid, electric, and standard gasoline vehicles, as well as for any industrial-grade voltage regulation applications.

Working Principle

The S-1313A35-M5T1U3 uses a step-down switching architecture that reduces an input voltage to an output voltage of 0 to 40V. The regulator is based on a synchronous buck topology, where the high-side MOSFET is operated in synchronous rectification mode. This enables higher efficiency, low quiescent current, and low noise operation.The device includes built-in power stage protection features such as cycle-by-cycle current limit on each channel, overtemperature protection, and short-circuit protection. The device also features a programmable soft-start which ensures a smooth startup and eliminates current surges.The S-1313A35-M5T1U3 has two external sense terminals that can be used to monitor the output voltage or current. It can also be enabled with an enable pin, allowing the user to turn the device on and off whenever needed.

Conclusion

The S-1313A35-M5T1U3 is a high performance, monolithic step-down switching regulator with a voltage range between 0 and 40 V. It uses a synchronous buck topology and is ideal for multiple output applications where one or two analog supplies need to be regulated. The device includes built-in power stage protection features, such as cycle-by-cycle current limit, overtemperature protection, and short-circuit protection. It is a low cost, low quiescent current, linear voltage regulator suitable for applications such as battery charging, LCD/LED backlighting, power management, point-of-load (POL) switching, and automotive systems.

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