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LinkSwitch-LP

Lowest Component Count Switcher for Linear Transformer Charger Replacement

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Product Parts Table
Product
Data Sheet
Output Power (Max) - Enclosed, 230V
Output Power (Max) - Open Frame, 230V
IC Package
Voltage - Input (Min)
Voltage - Input (Max)
Control Scheme
Output Power (Max) - Enclosed, Univ
Output Power (Max) - Open Frame, Univ
Control Features
Protection Features
Over-Temperature Response
Topology
Product Type
Breakdown Voltage
Temperature - Operating (Max)
Temperature - Operating (Min)
Internal Switch
Output Profile
Secondary Response
Output Power (Max) - Enclosed, 230V 1.9 W
Output Power (Max) - Open Frame, 230V 1.9 W
IC Package SO-8C
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 1.9 W
Output Power (Max) - Open Frame, Univ 1.9 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 1.9 W
Output Power (Max) - Open Frame, 230V 1.9 W
IC Package SMD-8B
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 1.9 W
Output Power (Max) - Open Frame, Univ 1.9 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 1.9 W
Output Power (Max) - Open Frame, 230V 1.9 W
IC Package DIP-8B
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 1.9 W
Output Power (Max) - Open Frame, Univ 1.9 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 2.5 W
Output Power (Max) - Open Frame, 230V 2.5 W
IC Package SO-8C
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 2.5 W
Output Power (Max) - Open Frame, Univ 2.5 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 2.5 W
Output Power (Max) - Open Frame, 230V 2.5 W
IC Package SMD-8B
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 2.5 W
Output Power (Max) - Open Frame, Univ 2.5 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 2.5 W
Output Power (Max) - Open Frame, 230V 2.5 W
IC Package DIP-8B
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 2.5 W
Output Power (Max) - Open Frame, Univ 2.5 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 3.0 W
Output Power (Max) - Open Frame, 230V 3.0 W
IC Package SO-8C
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 3.0 W
Output Power (Max) - Open Frame, Univ 3.0 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 3.0 W
Output Power (Max) - Open Frame, 230V 3.0 W
IC Package SMD-8B
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 3.0 W
Output Power (Max) - Open Frame, Univ 3.0 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart
Output Power (Max) - Enclosed, 230V 3.0 W
Output Power (Max) - Open Frame, 230V 3.0 W
IC Package DIP-8B
Voltage - Input (Min) 85 V
Voltage - Input (Max) 265 V
Control Scheme Primary-side
Output Power (Max) - Enclosed, Univ 3.0 W
Output Power (Max) - Open Frame, Univ 3.0 W
Control Features Frequency Jittering, Auto-Restart/Latching Fault Response, On/Off Control
Protection Features Overtemperature, Output Short Circuit, Output Open Loop
Over-Temperature Response Hysteretic
Topology Flyback
Product Type IC
Breakdown Voltage 700 V
Temperature - Operating (Max) 150 °C
Temperature - Operating (Min) -40 °C
Internal Switch Yes
Output Profile CV/CC
Secondary Response Auto-restart

Product Details

LinkSwitch-LP switcher ICs cost effectively replace all unregulated isolated linear transformer based (50/60 Hz) power supplies up to 3 W output power. For worldwide operation, a single universal input design replaces multiple linear transformer based designs. The self-biased circuit achieves an extremely low no-load consumption of under 150 mW. The internal oscillator frequency is jittered to significantly reduce both quasi- peak and average EMI, minimizing filter cost.

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