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LNK306PN - 

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

LNK306PN - AC/DC Off-Line Switcher IC, Buck-Boost, Flyback, 85 VAC - 265 VAC, 66 kHz, 360 mA output, DIP-8

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Manufacturer Part No:
LNK306PN
Order Code:
1448227
Product Range
LinkSwitch TN Family
Technical Datasheet:
LNK306PN   Datasheet
See all Technical Docs

Product Overview

The LNK306PN 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

Applications

Consumer Electronics, Clock & Timing, LED Lighting, Industrial, Automation & Process Control

Warnings

Maximum ratings specified may be applied, one at a time, without causing permanent damage to the product.

Product Information

:
85V
:
265V
:
DIP
:
7Pins
:
80mW
:
Buck, Buck-Boost, Flyback
:
-40°C
:
150°C
:
LinkSwitch TN Family
:
-
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