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See Technical Specifications

LNK304PN

Isolated Step-Down

Manufacturer:

Power Integrations
Mfr.Part #:

LNK304PN
Datasheet:

LNK304PN Datasheet (PDF)
Mounting Style:

Through Hole
Output Voltage:

12 V
Input / Supply Voltage - Min:

85 VAC
Input / Supply Voltage - Max:

265 VAC
EDA/CAD Models:

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LNK304PN General Description

The LNK304PN is an integrated circuit designed for offline switch mode power supplies (SMPS) in low power applications. It incorporates a power switch, a high voltage current source, a voltage detector, and a thermal shutdown circuit into a single chip. Operating in a pulse width modulation (PWM) mode, it provides efficient power conversion with minimal external components. This device offers protection features such as overvoltage protection, overcurrent protection, and thermal shutdown, ensuring safe operation and reliability. It is suitable for various applications including chargers, adapters, auxiliary power supplies, and LED lighting.With a wide input voltage range and high efficiency, the LNK304PN facilitates the design of compact and energy-efficient power supplies. Its compact package and low component count contribute to cost-effective solutions. Additionally, its simplified design process and comprehensive protection features make it a popular choice among designers aiming for high-performance, reliable power supplies in a variety of consumer and industrial electronics applications

Key Features

Low standby power
Easy to implement protection functions
Loop compensation with a simple RC network
Frequency jittering for improved EMI
Built-in soft-start
Automatic duty-cycle limit to enhance short circuit protection
Tight voltage regulation
Accurate adjustable over-voltage protection

Application

Switching power supplies
LED lighting
Home appliances
Industrial automation
Electric meters
Medical equipment
White goods
Consumer electronics
Telecommunications

Specifications

Product Category	AC/DC Converters	Mounting Style	Through Hole
Output Voltage	12 V	Input / Supply Voltage - Min	85 VAC
Input / Supply Voltage - Max	265 VAC	Switching Frequency	66 kHz
Duty Cycle - Max	72 %	Operating Supply Current	200 uA
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 150 C
Output Current	170 mA	Series	LNK30
Number of Outputs	1 Output	Product Type	AC/DC Converters
Factory Pack Quantity	50	Subcategory	PMIC - Power Management ICs
Tradename	LinkSwitch-TN	Type	Off Line Converter
Unit Weight	0.081130 oz