This product is not recommended for new designs.
LNK501
LinkSwitch Family
Energy Efficient, CV/CC Switcher for
Very Low Cost Chargers and Adapters
Product Highlights
LinkSwitch
D
Cost Effective Linear/RCC Replacement
• Lowest cost and component count, constant voltage,
constant current (CV/CC) solution
• Extremely simple circuit configuration
• Up to 75% lighter power supply reduces shipping cost
• Primary based CV/CC solution eliminates 10 to 20
secondary components for low system cost
• Combined primary clamp, feedback, IC supply, and loop
compensation functions – minimizes external components
• Fully integrated auto-restart for short circuit and open loop
fault protection – saves external component costs
• 42 kHz operation simplifies EMI filter design
• 3 W output with EE13 core for low cost and small size
S
C
Wide Range
HV DC Input
DC
Output
(VO)
(a)
VO
VO
±5%
±10%
Much Higher Performance Over Linear/RCC
• Universal input range allows worldwide operation
• Up to 70% reduction in power dissipation – reduces
enclosure size significantly
• CV/CC output characteristic without secondary feedback
• System level thermal and current limit protection
• Meets all single point failure requirements with only one
additional clamp capacitor
• Controlled current in CC region provides inherent soft-start
• Optional opto feedback improves output voltage accuracy
EcoSmart ™ – Extremely Energy Efficient
• Consumes
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