LNK364PN Pinout & Circuit Diagram | Equivalent

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LNK364PN – Power Integrations : LinkSwitch-XT Family Energy Efficient

LNK364PN Pinout Equivalent

LNK364PN-Pinout

1：Overview of the LNK364PN

The LNK364PN is a highly integrated switch-mode power supply chip launched by Power Integrations, belonging to the LinkSwitch-TN2 series. The LNK364PN adopts advanced technology, integrating a 700V power MOSFET and a power controller on the same chip, which reduces the use of external components and simplifies the circuit design. It has functions such as over-current protection, over-temperature protection, and short-circuit protection, as well as an automatic restart function, which can improve the reliability and stability of the system. When the input voltage is 230VAC ± 15%, the output power is 9W; when the input voltage ranges from 85 to 265VAC, the output power is also 9W.

The LNK364PN mainly has two packaging forms: The first one is the DIP-8B package, that is, the dual in-line package. The pins are led out from both sides of the chip and arranged in a straight line. The second one is the SMD-8 package, that is, the surface mount package. It directly mounts the chip on the surface of the circuit board. Compared with the DIP package, the SMD-8 package has a smaller size and can effectively save the circuit board space.

2：LNK364PN Important pin function definition:

（Since the specific pin definitions of the LNK364PN chip may vary slightly depending on different application scenarios and design requirements, for more accurate and detailed information, it is recommended to refer to the data sheet of this chip issued by Power Integrations.）

3：Recomendación de modelo alternativo

In the design of isolated Ac-Dc power supply, chips from different manufacturers may be diferent due to the internalarchitecture, protection mechanism and control logic, and generally cannot directly achieve pin-to-pin compatibility. lf theoriginal model needs to be replaced, there are two possible replacement solutions: the same brand and series model: in thedesign process, we will definitely give priority to the upgrade/downgrade model provided by the original factory （such asLNK362PN or LNK363PN）.

Products of other brands：

OB2263AP：OB2263AP is also a chip for switching power supplies. It has basic protection functions such as overcurrent, overvoltage, and overtemperature protection. The input voltage range can also cover the common mains voltage range. It can replace LNK364PN in some general switching power supply applications where the functional requirements are not particularly stringent.
AP8022H：AP8022H can also be applied in the field of switching power supplies and has multiple protection functions. In some performance indicators, it is similar to LNK364PN. For example, both can meet certain efficiency and standby power consumption requirements.

AP8022H

OB2263AP