LNK306DN - Power Integrations

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LNK306DN
Manufacturer

Power Integrations
ChipWorker Part#

CW10077185
Category

AC to DC Converter, AC/DC Power Module
Package

SOIC-8
Description

AC-DC Off-Line Switcher IC, Buck-Boost, Flyback, 85VAC - 265VAC, 66kHz, 360mA output, SOIC-8
Documentation

Datasheet

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LNK306DN Specifications

Attribute	Attribute Value

Part Number	LNK306DN
Manufacturer	Power Integrations
ChipWorker Part#	CW10077185
Category	AC to DC Converter, AC/DC Power Module
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	66.0 kHz
Supply Voltage (DC)	374V (max)
Power Rating	0.08 W
Number of Outputs	1 Output
Output Voltage	85.265 V
Output Current	225 mA
Breakdown Voltage	700 V
Supply Current	250 µA
Number of Channels	1 Channel
Number of Positions	8 Position
Switching Frequency	66 kHz
Duty Cycle	69 %
Input Voltage (AC Max)	265 v
Input Voltage (AC Min)	85 v
Maximum Duty Cycle	72 %
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
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Size-Length	4.9 mm
Size-Width	3.9 mm
Size-Height	1.65 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC

Product Description

The LNK306DN is a LinkSwitch-TN lowest component count, Energy-efficient Off-line Switcher IC. It is specifically designed to replace all linear and capacitor-fed (cap dropper) non-isolated power supplies in the under 360mA output current range at equal system cost while offering much higher performance and energy efficiency. This device integrate a 700V power MOSFET, oscillator, simple on/off control scheme, a high-voltage switched current source, frequency jittering, cycle-by-cycle current limit and thermal shutdown circuitry onto a monolithic IC. The start-up and operating power are derived directly from the voltage on the DRAIN pin, eliminating the need for a bias supply and associated circuitry in buck or flyback converters. The fully integrated auto-restart circuit in the safely limits output power during fault conditions such as short-circuit or open loop, reducing component count and system-level load protection cost.
Lowest component count buck converter solution
Uses a simplified controller without auto-restart
Tight tolerances and negligible temperature variation
Supports buck, buck-boost and flyback topologies
Excellent line and load regulation even with typical configuration
High bandwidth provides fast turn-on with no overshoot
Current limit operation rejects line ripple
Universal input voltage range (85 to 265VAC)
Built-in current limit and hysteretic thermal protection
Higher efficiency than passive solutions
Higher power factor than capacitor-fed solutions
Entirely manufacturable in SMD

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