LNK616DG

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LNK616DG is a Power Management Integrated Circuit (PMIC). This device is a linear AC-DC converter and offline switchers. This PMIC is designed to increase the system efficiency when it is connected to an AC power source. This device is designed to provide regulated DC output power from the AC input power source with a very low energy consumption rate.

The typical application fields for the LNK616DG are portable electronic systems such as laptops, netbooks, tablets, phones and other various low power consuming electronic devices. This PMIC is able to provide the regulated DC output power and high efficiency in the specified input voltage range. It also has a standby operation mode which helps to reduce the nominal power consumption.

The working principle of the LNK616DG is based on a switched-mode power supply technology. In this application, an AC voltage is applied to a rectifier, followed by a filter capacitor stage. After rectification, the output DC voltage is regulated by the duty cycle of a switch. The duty cycle is controlled by the feedback signal which is provided by a low drop-out (LDO) regulator. This LDO regulator is monitored by an adjustable reference voltage, which is internally set for the specific application. The internal transformer circuit is designed to provide an isolation between the AC power and the DC output voltage.

The LNK616DG also incorporates several protection circuits such as overload protection, under-/over-voltage protection, open- and short circuit protection, etc. for ensuring the safe operation of the system. Additionally, the device has an ENABLE pin which can be used to control the converter ON or OFF in order to achieve a deep-sleep operation mode.

In conclusion, the LNK616DG PMIC is a very efficient AC-DC converter and offline switchers which provide regulated DC power output from the AC power source. This PMIC is suitable for low-powered electronic applications and incorporates various protection circuits for safe operation. It also has an ENABLE pin which can be used to control the converter ON or OFF to achieve a deep-sleep operation mode.

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