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© Semiconductor Components Industries, LLC, 2014
January, 2014 − Rev. 1
1 Publication Order Number:
NSIC2050B/D
NSIC2050BT3G
Constant Current Regulator
& LED Driver for A/C off-line
Applications
120 V, 50 mA + 15%, 3 W Package
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 20% 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 Industrial and
Commercial Signage applications. The CCR comes in thermally
robust packages and is UL94−V0 Certified.
Features
• Robust Power Package: 2.3 W
• Wide Operating Voltage Range
• Immediate Turn-On
• Voltage Surge Suppressing − Protecting LEDs
• UL94−V0 Certified
• SBT (Self−Biased Transistor) Technology
• Negative Temperature Coefficient
• Also available in 30 mA (NSIC2030BT1G) and 20 mA
(NSIC2020BT1G)
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Typical Applications
• AC Lighting Panels, Display Signage, Decorative Lighting, Channel
Lettering
• Application Note AND8433/D – A/C Application
• Application Note AND8492/D – A/C Capacitive Drop Design
• Design Note DN05013 – A/C Design
• Design Note DN06065 – A/C Design with PFC
• Application Notes AND8391/D, AND9008/D − Power Dissipation
Considerations
• Automotive Applications − Consult Factory
http://onsemi.com
SMB
CASE 403A
MARKING DIAGRAM
Device Package Shipping
†
ORDERING INFORMATION
NSIC2050BT3G SMB
(Pb−Free)
2500 / Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
(Note: Microdot may be in either location)
I
reg(SS)
= 50 mA
@ Vak = 7.5 V
2050 = Specific Device Code
A = Assembly Location
Y = Year
WW = Work Week
G = Pb−Free Package
AYWW
2050G
G
Anode 2
Cathode 1
1
2
12
Verzeichnis
- ・ Abmessungen des Paketumrisses on Seite 9
- ・ Paket-Footprint-Pad-Layout on Seite 9
- ・ Teilenummerierungssystem on Seite 1 Seite 9
- ・ Markierungsinformationen on Seite 1 Seite 9
- ・ Typisches Anwendungsschaltbild on Seite 1
- ・ Technische Daten on Seite 1
- ・ Anwendungsbereich on Seite 1 Seite 6
- ・ Elektrische Spezifikation on Seite 2
- ・ Teilenummernliste on Seite 2
