S-1317A12-M5T1U4 Integrated Circuits (ICs)

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This article will discuss the application field and working principle of the S-1317A12-M5T1U4 PMIC voltage regulator. This voltage regulator belongs to the linear voltage regulator category, and offers a stable and reliable power supply solution in a wide variety of settings. This versatile device can be used in a variety of settings, including consumer electronics, industrial and medical equipment, telecommunications, and automotive applications.

Description

The S-1317A12-M5T1U4 is a synchronous PMIC DC/DC step-down regulator. It features integrated 4A 150mΩ MOSFETs, offering improved efficiency and low component count. The device has an input voltage range of 2.5V to 24V, and an adjustable output voltage down to 0.6V. It can deliver up to 4A of continuous output current with low dropout operation, and it is highly integrated to minimize component count and maximize efficiency. The regulator also features current-mode control to provide good line and load transient response as well as cycle-by-cycle current-limit protection and thermal shutdown. The device also has internal compensation, pull-down and power-good circuitry, and an enable pin for user control.

Features

• Integrated 4A 150mΩ MOSFETs for improved efficiency and low component count
• Input voltage range of 2.5V to 24V
• Adjustable output voltage down to 0.6V
• Up to 4A of continuous output current
• Low dropout operation
• Highly integrated to minimize component count and maximize efficiency
• Current-mode control to provide good line and load transient response
• Cycle-by-cycle current-limit protection and thermal shutdown
• Internal compensation, pull-down, and power-good circuitry
• Enable pin for user control

Working Principle

The S-1317A12-M5T1U4 operates by converting the input voltage from its unregulate, unstable state to a stable, regulated output voltage. The input voltage is first applied to the primary side of the transformer and then AC coupled to the switching regulator MOSFETs. The MOSFETs then pulse width modulate the voltage, effectively converting the input voltage to a regulated output. The switching regulator features current-mode control to provide good line and load transient response, as well as cycle-by-cycle current-limit protection and thermal shutdown. Internal compensation, pull-down, and power-good circuitry provide additional protection and monitoring of the converter. The enable pin can be used to control the device, allowing it to be enabled or disabled based on user needs.

Applications

The S-1317A12-M5T1U4 can be used in a variety of applications, including consumer electronics, industrial and medical equipment, telecommunications, and automotive. The device can be used to provide a stable and reliable power supply solution in any of these settings. It is ideal for applications that require a wide input voltage range such as dual-battery systems, and its 4A output current makes it suitable for powering higher power draw devices. The S-1317A12-M5T1U4 is also a great choice for applications with tight efficiency and/or space constraints, as it is highly integrated and features low dropout operation.

Conclusion

The S-1317A12-M5T1U4 is a PMIC voltage regulator that fits into the linear voltage regulator category. It features integrated 4A 150mΩ MOSFETs to provide improved efficiency and low component count, as well as an adjustable output voltage down to 0.6V. This versatile device can be used in a variety of settings, from consumer electronics to automotive, to provide a stable and reliable power supply solution. Its current-mode control and cycle-by-cycle current-limit protection and thermal protection ensures safe operation, and its internal compensation, pull-down, and power-good circuitry offer additional protection. The enable pin can be used for user control.

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