LTC3630AEDHC#PBF

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The LTC3630AEDHC#PBF is a DC-DC Switching Regulators PMIC that is designed to provide high accuracy outputs over a wide range of operating conditions. It is a highly integrated, high efficiency buck converter with a wide input voltage range. The LTC3630AEDHC#PBF offers the highest efficiency, smallest size, and total flexibility for any DC/DC application. The LTC3630AEDHC#PBF features Programmable Output Voltage, Programmable Voltage Accuracy, Externally Programmable Soft-start Through Sense Pin, Low Quiescent Current, Low Thermal Outputs and a range of input voltage from 1.8V to 20V. The LTC3630AEDHC#PBF is suitable for use in a wide range of applications such as power management, computing, communications and other electronic applications.

Application Fields

The LTC3630AEDHC#PBF is primarily used in power management applications and is suitable for use in a wide range of applications including:

• Computing
• Networking
• Portable Electronics
• Personal Electronics
• Communications Equipment
• Embedded Systems

working principle

The LTC3630AEDHC#PBF DC–DC switching regulator PMIC operates using a pulse width modulation (PWM) topology using a synchronous rectification technique. Its output voltage is externally adjustable by varying the duty cycle of the PWM signal and is capable of providing up to 95% power efficiency at full load and up to 98% efficiency when the load is below the maximum level. The LTC3630AEDHC#PBF operates using a low quiescent current which is greatly reduced when the load is below the maximum level. The device also features an externally programmable soft-start using a sense pin to reduce inrush current during start up.

The device includes short-circuit and open circuit protection features that protect both the regulator IC and the load from harm. The IC also includes a thermal protection feature that shuts down the output when the die temperature exceeds a certain level. The LTC3630AEDHC#PBF also includes a number of features to help reduce electromagnetic interference and reduce radiated emissions. These features include; spread spectrum switching, burst mode operation, and a gate drive transformer with transient voltage suppressor for improved EMI performance.

The device utilizes a low power burst mode operation. This mode reduces the losses associated with the regulator and increases efficiency when operating at low load conditions by sending only a fraction of the switching signals necessary to operate at normal load conditions. This can also help reduce the stand-by power consumption when the load is below the maximum level.

The LTC3630AEDHC#PBF is a flexible DC-DC converter with low quiescent current and high efficiency. Its small size and wide input voltage range make it an ideal choice for powering a variety of embedded systems, personal electronics and communications equipment.

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