LNK6667 High-Power Off-Line Switcher IC

Package/Case: eSIP-7C

IC Name: LNK6667

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  • Delivery Charges: Tamil Nadu

₹75 for parcels below 1 Kg and ₹100 for parcels weighing between 1 Kg to 2 Kg.

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  • Delivery Charges: Other South India

₹125 for parcels below 1 Kg and ₹175 for parcels weighing between 1 Kg to 2 Kg.

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  • Delivery Charges: North India

₹250 for parcels below 1 Kg and ₹325 for parcels weighing between 1 Kg to 2 Kg.

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Rs. 99

  • Warranty 1 year
  • Free Returns Policy

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A high-voltage power MOSFET and controller are integrated monolithically into a single package via a LinkSwitch-HP device. With its newly designed analogue control system, it can provide primary-side regulated (PSR) power supply up to 90 W in continuous conduction mode (CCM) without being affected by audible noise or DCM’s efficiency restriction. It operates in multiple modes using an improved peak current mode PWM control system.

The operating peak current and switching frequency are set by the multi-mode control engine using the error amplifier output signal voltage at the COMPENSATION pin in order to maintain the output.

voltage in control, as depicted in Figure 5. The device enters multi-cycle modulation (MCM) with a fixed peak current of 25% of the programmed current limit for COMPENSATION pin voltages less than VC(MCM) (typ. 1.25 V). The peak current mode control has undergone a number of creative modifications that enable primary side-regulated CCM operation without instability. At high-line (LNK67xx families), the device requires less than 30 mW of input power when there is no load.


  • Selectable external current limit.
  • Extension of the programmable shutdown delay period is optional. Remote On/Off is optional.
  • Fast AC reset is an optional feature.
  • output overvoltage protection (OVP) sensed from the primary side.
  • When there is an output overload or short circuit (auto-restart), the regulation protection is lost.
  • Internal current limit for continuous overload power over the line with line correction.
  • Overvoltage sense (line OV) for high-voltage buses to enable increased line surge tolerate.
  • elevated voltage bus Undervoltage sense (line UV) to prevent brown-outs and inflows.
  • Precise protection against overheating (OTP).
  • Selection of output OVP/OCP/OTP shutdown type (latching/hysteretic).
  • External latching shutdown input that is optional (current threshold)
  • control of the current limit cycle by cycle.

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