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LinkSwitch®-LP Product Family

Lowest Component Count Switcher for Linear Transformer Charger Replacement

LinkSwitch-LP Typical Application Typical Application

Description:

Lowest System Cost and Advanced Safety Features Provide Superior Performance over Linear and RCC

  • Lowest component count switcher
  • Very tight parameter tolerances using proprietary IC trimming technology and transformer construction techniques enable Clampless™ designs – decreases component count/system cost and increases efficiency
  • Hysteretic thermal shutdown protection – eliminates the thermal fuse used with linear transformers or additional components in RCC designs
  • Frequency jittering greatly reduces EMI – enables low cost input filter configuration
  • Proprietary E-Shield™ transformer eliminates Y capacitor
  • Universal input range allows worldwide operation
  • Auto-restart reduces delivered power by >85% during short circuit and open loop fault conditions
  • Simple ON/OFF control, no loop compensation needed
  • High bandwidth provides fast turn on with no overshoot and excellent transient load response

Applications:

  • Chargers for cell/cordless phones, PDAs, power tools, MP3/portable audio devices, shavers, etc.
  • Standby and auxiliary supplies

 

 
Output power Table1
PRODUCT(4) 230 VAC ±15% 85-265 VAC
Adapter(2) Open Frame(3) Adapter(2) Open Frame(3)
LNK562P/G/D 1.9 W 1.9 W 1.9 W 1.9 W
LNK563P/G/D 2.5 W 2.5 W 2.5 W 2.5 W
LNK564P/G/D 3 W 3 W 3 W 3 W
Notes: 1. Output power may be limited by specific application parameters including core size and Clampless operation (see Key Application Considerations). 2. Minimum continuous power in a typical non-ventilated enclosed adapter measured at 50 °C ambient. 3. Minimum practical continuous power in an open frame design with adequate heat sinking, measured at 50 °C ambient. 4. Packages: P: DIP-8B, G: SMD-8B, D: SO-8C. For lead-free package options, see Part Ordering Information.

 

Data Sheet Application Note
LNK562-564 Application Note

 

Lead (Pb)-Free Finish Options

 

Reference Design Description
RDKs include a working power supply, sample devices, unpopulated pcb, data sheet, comprehensive engineering report, PI Expert design software and other related documentation.
DAK-85
  • 6 V, 2 W AC-DC universal input charger (LNK564P)
  • LNK562, LNK563, and LNK564 P and G samples
  • Unpopulated prototype board
  • LNK562-564 data sheet
  • Engineering report
  • Design guide
  • PI Expert power supply design software CD-ROM

Visit the Design Examples page for additional circuits using this product family.

EcoSmart® - Energy Efficiency Technology
  • Easily meets all global energy efficiency regulations with no added components
  • Green RoomNo-load consumption <150 mW at 265 VAC input
  • ON/OFF control provides constant efficiency to very light loads - ideal for mandatory CEC regulations

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