LNK304DN - Power Integrations

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

Part No

LNK304DN
Manufacturer

Power Integrations
ChipWorker Part#

CW6558655
Category

AC to DC Converter, AC/DC Power Module
Package

SOIC-8
Description

POWER INTEGRATIONS LNK304DN AC-DC Off-Line Switcher IC, Buck-Boost, Flyback, 85-265VAC, 66kHz, 170mA output, 80mW, SOIC-8
Documentation

Datasheet

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LNK304DN Specifications

Attribute	Attribute Value

Part Number	LNK304DN
Manufacturer	Power Integrations
ChipWorker Part#	CW6558655
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 kHz
Supply Voltage (DC)	374V (max)
Power Rating	80 mW
Number of Outputs	1 Output
Input Voltage (DC)	265 V
Output Voltage	700 V
Output Current	170 mA
Breakdown Voltage	700 V
Supply Current	200 µA
Number of Channels	1 Channel
Number of Positions	8 Position
Drain to Source Resistance (on) (Rds)	24 Ω
Switching Frequency	66 kHz
Duty Cycle	69 %
Input Voltage (Max)	265 VAC
Input Voltage (AC Max)	265 v
Input Voltage (AC Min)	85 v
Maximum Duty Cycle	72 %
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Min)	50 V
Input Voltage	85.265 V
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Size-Length	4.9 mm
Size-Width	3.9 mm
Size-Height	1.65 mm
Operating Temperature	-40℃ ~ 150℃
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17

Product Description

The LNK304DN is a LinkSwitch-TN lowest component count, energy-efficient off-line Switcher, 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. LinkSwitch-TN devices 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 LNK304-306 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
Fully integrated Auto-restart for Short-circuit and open loop fault protection saves component costs
66kHz Operation with accurate current limit, allows low cost Off-the-shelf 1mH Inductor
Tight Tolerances and Negligible Temperature Variation
High Breakdown Voltage of 700V Provides Excellent Input Surge Withstand
Frequency Jittering Dramatically Reduces EMI (~10dB)
High Thermal Shutdown Temperature (+135°C Minimum)
Much Higher Performance Over Discrete Buck and Passive Solutions
Supports Buck, Buck-boost and Flyback Topologies
System Level Thermal Overload, Output Short-circuit and Open Control Loop Protection
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
EcoSmart™ - Extremely Energy Efficient
Consumes typically 50/80mW in self-powered buck topology at 115/230VAC input with no-load
Maximum ratings specified may be applied, one at a time, without causing permanent damage to the product.

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