LTC3631EMS8E-5#TRPBF

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The LTC3631EMS8E-5#TRPBF is one of the DC-DC switching regulators from the family of PMIC voltage regulators available from Linear Technology Corporation. This device is well suited for providing a regulated power supply from a wide range of current sources, such as a single battery cell, an AC adapter, or from Solar cells. The switching regulator has an adjustable output current limit feature, and can be configured for an output current up to 8A with a differential voltage bump feature.

Features of the LTC3631EMS8E-5#TRPBF

• Input voltage range 2.8V to 16V or 4.3V to 25V
• Adjustable output current limit up to 8A
• Optional start-up sequencing
• Differential voltage monitoring
• Undervoltage lockout with selectable UVLO thresholds
• 2MHz fixed frequency PWM switching
• High speed error amplification
• External logic control
• Thermal shutdown
• Thermal-resistant Pb-free 8-pin MSOP package

The LTC3631EMS8E-5#TRPBF is a highly efficient and flexible switching regulator, designed to operate in step-up and step-down mode, providing an adjustable regulated output voltage, a wide selection of input voltage, and 4A output current limit up to 8A with the differential voltage bump feature. The device has an input voltage range from 2.8V to 16V, or 4.3V to 25V, and an adjustable fixed frequency switch mode of 2MHz.

Working Principle of the LTC3631EMS8E-5#TRPBF

The voltage regulator utilizes a fixed frequency 2MHz PWM system and an external resistor divider network to regulate an output voltage that is adjustable and programmable. The switching regulator is capable of step-up and step-down operations in order to provide an adjustable and programmable conversion from an input voltage to an adjustable output voltage. The switching frequency can be externally programmable between 500KHz and 2MHz via an external resistor and capacitor. The PWM system also provides switching control for light load efficiency.

The LTC3631EMS8E-5#TRPBF is able to provide a wide selection of input voltage, as long as it falls within the range of 2.8V to 16V, or 4.3V to 25V. The device also has an adjustable output current limit up to 8A with an option to add in a differential voltage bump feature. The device has an external logic control feature, which allows for the shutdown of the IC, setting a 10V or 20V output voltage setting, and power-good output detection.

The switching regulator also features undervoltage lockout with selectable UVLO thresholds, thermal protection, and a high speed error amplification for a fast transient response. Additionally, various optional start-up sequencing features allow for control of multiple outputs.

Applications for the LTC3631EMS8E-5#TRPBF

The LTC3631EMS8E-5#TRPBF is well suited for use in applications that require reliable, efficient, and adjustable power supply, such as power management systems, mobile devices, and automotive and industrial applications. The device can also be used in high power portable applications that require a wide range of input voltages and an adjustable output current. The device’s easy-to-use package and optional start-up sequencing also make it a great choice for use in systems that require multiple outputs.

The LTC3631EMS8E-5#TRPBF is a great solution for providing power management and a reliable, adjustable power supply. It has a wide range of features which make it a powerful and flexible option for applications requiring accurate and stable voltage regulation for various input and output voltages.

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