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  NSIC20**BT3G
Constant Current Regulator & LED Driver for A/C off-line Applications
 
   The linear constant current regulator (CCR) is a simple, economical and robust device designed to provide a cost−effective solution for regulating current in LEDs (similar to Constant Current Diode, CCD). The CCR is based on Self−Biased Transistor (SBT) technology and regulates current over a wide voltage range. It is designed with a negative temperature coefficient to protect LEDs from thermal runaway at extreme voltages and currents. The CCR turns on immediately and is at 35% of regulation with only 0.5 V Vak. It requires no external components allowing it to be designed as a high or low−side regulator. The 120 V anode−cathode voltage rating is designed to withstand the high peak voltage incurred in A/C offline applications. The high anode−cathode voltage also protects surges common in Automotive, Industrial and Commercial Signage applications. The CCR comes in thermally robust packages and is qualified to AEC−Q101 standard and UL94−V0 Certified.
 
Features
• Robust Power Package: 3 W
• Wide Operating Voltage Range
• Immediate Turn-On
• Voltage Surge Suppressing − Protecting LEDs
• AEC-Q101 Qualified and PPAP Capable, UL94−V0 Certified
• SBT (Self−Biased Transistor) Technology
• Negative Temperature Coefficient
• Also available in 50 mA (NSIC2050BT3G) and 20 mA
(NSIC2020BT3G)
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
 
料号
恒流值(Ireg) mA
开启电压(Vk)
耐压
封装
Min.
Typ.
Max.
NSIC2020BT3G
17
 20
23
4.5V
120V
SMB
NSIC2030BT3G
27
30
32
4.5V
120V
SMB
NSIC2050BT3G
47
50
53
4.5V
120V
SMB