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Power Integration LNK605 | Demoboard DER-265

5 W Cube Charger Using LinkSwitchTM-II and PR14 Core

Overview

Topology Flyback Converter
Input voltage 85-265 V
Output 1 5 V / 1 A
IC revision 1.2

Description

5 W Cube Charger Using LinkSwitchTM-II andPR14 Core85 VAC – 265 VAC Input; 5 V, 1 A OutputLow-cost Charger or AdapterRev. 1.2The LinkSwitch-II family of devices were developed to cost effectively replace all existing solutions in low-power charger and adapter applications. Its core controller is optimized for CV/CC charging applications with minimal external parts count and very tight control of both the output voltage and current, without the use of an optocoupler. The LinkSwitch- II has an integrated 700 V switching MOSFET and ON/OFF control function which together deliver high efficiency under all load conditions and low no-load energyconsumption. Both the operating efficiency and no-load performance exceed all current international energy efficiency standards.

Features

 Control concept provides very low cost, low part-count solution

  • Primary-side control eliminates secondary-side control and optocoupler
  • Provides ±5% constant voltage (CV) and ±10% constant current (CC) accuracy includingoutput cable drop compensation for 0.35  cable
  • Over-temperature protection – tight tolerance (±5%) with hysteretic recovery for safe PCBtemperatures under all conditions
  • Auto-restart output short-circuit and open-loop protection
  • Extended pin creepage distance for reliable operation in humid environments; >3.2 mm atpackage
  • EcoSmart™ – Easily meets all current international energy efficiency standards – China(CECP) / CEC / ENERGY STAR 2 / EU CoC
  • No-load consumption <150 mW at 230 VAC
  • Ultra-low leakage current: <5 A at 265 VAC input (no Y capacitor required)
  • Design easily passes EN550022 and CISPR-22 Class B EMI testing with >6 dB margin

Typical applications

  • Low-cost Charger or Adapter

Products

Order Code Data­sheet Downloads Product series Z @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition Zmax IR 2
(mA)
RDC max.
(Ω)
Type Samples
742792122
STE ALT EAG CAD LTS PSP IGS CAD SPA WE-CBF SMT EMI Suppression Ferrite Bead 220 240 200 MHz 3000 0.3 High Speed
Order Code Data­sheet
742792122
Samples
Order Code Data­sheet Downloads Product series Z @ 100 MHz
(Ω)
Zmax
(Ω)
Test Condition Zmax IR 2
(mA)
RDC max.
(Ω)
Type Samples