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Typical Application/Performance – Not a Simplified Circuit (a) and Output Characteristic Envelope (b).
LinkSwitch-CV-SO-8C
LinkSwitch-CV in PDIP-8C Package
Typical Application/Performance – Not a Simplified Circuit (a) and Output Characteristic Envelope (b).
LinkSwitch-CV-SO-8C
LinkSwitch-CV in PDIP-8C Package

LinkSwitch-CV

Dramatically simplifies low power power supply designs by eliminating an optocoupler and secondary control circuitry.

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Product Parts Table
Product
Data Sheet
Output Power (Max) - Enclosed, 230V
Output Power (Max) - Open Frame, 230V
Voltage - Input (Min)
Voltage - Input (Max)
IC Package
Output Power (Max) - Enclosed, Univ
Output Power (Max) - Open Frame, Univ
Breakdown Voltage
Output Profile
Topology
Control Features
Protection Features
Mounting Type
Product Type
Temperature - Operating (Max)
Temperature - Operating (Min)
Control Scheme
Internal Switch
Over-Temperature Response
Secondary Response
LinkSwitch-CV SO-8C Image

LNK623DG

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Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 6.5 W
Output Power (Max) - Open Frame, 230V 9.0 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package SO-8C
Output Power (Max) - Enclosed, Univ 5.0 W
Output Power (Max) - Open Frame, Univ 6.0 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
LinkSwitch-CV PDIP-8C Image

LNK623PG

View Details
Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 6.5 W
Output Power (Max) - Open Frame, 230V 9.0 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package PDIP-8C
Output Power (Max) - Enclosed, Univ 5.0 W
Output Power (Max) - Open Frame, Univ 6.0 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Through Hole
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
LinkSwitch-CV SO-8C Image

LNK624DG

View Details
Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 7.0 W
Output Power (Max) - Open Frame, 230V 11.0 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package SO-8C
Output Power (Max) - Enclosed, Univ 5.5 W
Output Power (Max) - Open Frame, Univ 6.5 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
LinkSwitch-CV PDIP-8C Image

LNK624PG

View Details
Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 7.0 W
Output Power (Max) - Open Frame, 230V 11.0 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package PDIP-8C
Output Power (Max) - Enclosed, Univ 5.5 W
Output Power (Max) - Open Frame, Univ 6.5 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Through Hole
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
LinkSwitch-CV SO-8C Image

LNK625DG

View Details
Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 8.0 W
Output Power (Max) - Open Frame, 230V 13.5 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package SO-8C
Output Power (Max) - Enclosed, Univ 6.5 W
Output Power (Max) - Open Frame, Univ 8.0 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
LinkSwitch-CV PDIP-8C Image

LNK625PG

View Details
Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 8.0 W
Output Power (Max) - Open Frame, 230V 13.5 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package PDIP-8C
Output Power (Max) - Enclosed, Univ 6.5 W
Output Power (Max) - Open Frame, Univ 8.0 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Through Hole
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
LinkSwitch-CV SO-8C Image

LNK626DG

View Details
Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 10.5 W
Output Power (Max) - Open Frame, 230V 17.0 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package SO-8C
Output Power (Max) - Enclosed, Univ 8.5 W
Output Power (Max) - Open Frame, Univ 10.0 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Surface Mount
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
LinkSwitch-CV PDIP-8C Image

LNK626PG

View Details
Data Sheet View Data Sheet
Output Power (Max) - Enclosed, 230V 10.5 W
Output Power (Max) - Open Frame, 230V 17.0 W
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
IC Package PDIP-8C
Output Power (Max) - Enclosed, Univ 8.5 W
Output Power (Max) - Open Frame, Univ 10.0 W
Breakdown Voltage 725 V
Output Profile CV
Topology Flyback, Tapped Buck
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Mounting Type Through Hole
Product Type IC
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Control Scheme Primary-side
Internal Switch Yes
Over-Temperature Response Hysteretic
Secondary Response Auto-restart
Showing 1 - 8 of 8 Products
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Product Details

Description

The LinkSwitch-CV dramatically simplifies CV power supply design with tight CV requirements and by eliminating an optocoupler and secondary control circuitry. The device introduces a revolutionary control technique to provide very tight output voltage regulation, along with input voltage variations and temperature.

The device incorporates a 725 V power MOSFET, a novel On/Off control state machine, a high voltage switched current source for self biasing, frequency jittering, cycle-by-cycle current limit and hysteretic thermal shutdown circuitry onto a monolithic IC.

Product Highlights

Dramatically Simplifies CV Converters

  • Eliminates optocoupler and all secondary CV control circuitry
  • Eliminates bias winding supply – IC is self biasing

Advanced Performance Features

  • Compensates for external component temperature variations
  • Very tight IC parameter tolerances using proprietary trimming technology
  • Frequency jittering greatly reduces EMI filter cost
  • Even tighter output tolerances achievable with external resistor selection/trimming

Advanced Protection/Safety Features

  • Auto-restart protection reduces delivered power by <95% for output short circuit and all control loop faults (open and shorted components)
  • Hysteretic thermal shutdown – automatic recovery reduces power supply returns from the field
  • Meets HV creepage requirements between Drain and all other pins, both on the PCB and at the package
  • 725 V power MOSFET

Applications

  • DVD/STB
  • Adapters
  • Standby and auxiliary supplies
  • Home appliances, white goods and consumer electronics
  • Industrial controls
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Resources

Application Notes

Data Sheets

Design Examples

Design Kits

RDK-669 - 5 W Adapter Using LinkSwitch-CV

Design Tools

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General Purpose

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