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  • LNK419EG IC - Power Integrations - LED Driver Off Line Switcher IC
LinkSwitch-XT
 incorporates a 700 V power MOSFET, oscillator, 
simple ON/OFF control scheme, a high voltage switched current 
source,  frequency  jittering,  cycle-by-cycle  current  limit  and  
®
Table  1.
  Notes:  
1.
  Minimum  continuous  power  in  a  typical  non-
ventilated enclosed adapter measured at 50 °C ambient. 
2.
 Minimum 
practical  continuous  power  in  an  open  frame  design  with  adequate  
heat  sinking,  measured  at  50  °C  ambient.  
3.
  Packages:  P:  DIP-8B,  
G:  SMD-8B.  Please  see  Part  Ordering  Information.  
4.
  See  Key  
Application  Considerations  section  for  complete  description  of  
assumptions.
thermal shutdown circuitry onto a monolithic IC. The start-up 
and  operating  power  are  derived  directly  from  the  DRAIN  
pin,  eliminating  the  need  for  a  bias  winding  and  associated  
circuitry. 
LinkSwitch-XT
 incorporates a 700 V power MOSFET, oscillator, 
simple ON/OFF control scheme, a high voltage switched current 
source,  frequency  jittering,  cycle-by-cycle  current  limit  and 

The LNK419EG dramatically simplifies implementation of LED drivers requiring long lifetime, high efficiency, PF >0.9, and TRIAC dimming capability(LNK403-410). The single-stage combined power factor and constant-current controller eliminates a switching stage and the electrolytic bulk capacitor.  The advanced primary-side control used by the LNK419EG device provides accurate constant current control while eliminating the need for an optocoupler and current sensing circuits.LinkSwitch-PH incorporates a 725 V power FET, a continuous-mode PWM controller, a high-voltage switched current source for self biasing, frequency jittering, protection circuitry including cycle-by-cycle current limit and hysteretic thermal shutdown. 

Features:-

• Single-stage combination of power factor correction and accurate constant-current (CC) output

• Enables very long lifetime designs (no electrolytic capacitors)

• Eliminates optocoupler and all secondary current control circuitry

• Eliminates control loop compensation circuitry

• Simple primary-side PWM dimming interface

• Universal input voltage range

Specification:-

Symbol Parameter Min Type Max Units
ICD2 Drain Supply Current 0.5 0.85 1.2 m A
VV Voltage Monitor Pin Voltage 2.75 3 3.25 V
VV(REM) Remote ON/OFF Threshold 0.5

V
DCMAX Maximum Duty Cycle 90
99.9 %


Related Document:-

 LNK419EG IC Data Sheet 
Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 171.1 (Inclusive of all Taxes)
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LNK419EG IC - Power Integrations - LED Driver Off Line Switcher IC

  • Product Code: EC-2551
  • Availability: 281
  • Rs.138.00
  • (Excluding 18% GST)

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