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ON Semiconductor - Adjustable Constant Current Regulator & LED Driver

Numéro de référence NSI50150ADT4G
Description Adjustable Constant Current Regulator & LED Driver
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NSI50150ADT4G fiche technique
NSI50150ADT4G
Adjustable Constant Current
Regulator & LED Driver
50 V, 150 − 350 mA + 10%, 4.2 W Package
The adjustable constant current regulator (CCR) is a simple,
economical and robust device designed to provide a cost effective
solution for regulating current in LEDs. 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 14% of regulation with
only 0.5 V Vak. The Radj pin allows Ireg(SS) to be adjusted to higher
currents by attaching a resistor between Radj (Pin 3) and the Cathode
(Pin 4). The Radj pin can also be left open (No Connect) if no
adjustment is required. It requires no external components allowing it
to be designed as a high or low−side regulator. The high anode-
cathode voltage rating withstands surges common in Automotive,
Industrial and Commercial Signage applications. This device is
available in a thermally robust package and is qualified to stringent
AEC−Q101 standard, which is lead-free RoHS compliant and uses
halogen-free molding compound.
Features
Robust Power Package: 4.2 Watts
Adjustable up to 350 mA
Wide Operating Voltage Range
Immediate Turn-On
Voltage Surge Suppressing − Protecting LEDs
UL94−V0 Certified
SBT (Self−Biased Transistor) Technology
Negative Temperature Coefficient
Eliminates Additional Regulation
NSV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q101
Qualified and PPAP Capable
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
Applications
Automobile: Chevron Side Mirror Markers, Cluster, Display &
Instrument Backlighting, CHMSL, Map Light
AC Lighting Panels, Display Signage, Decorative Lighting, Channel
Lettering
Application Notes AND8391/D, AND9008/D − Power Dissipation
Considerations
Application Note AND8349/D − Automotive CHMSL
www.onsemi.com
Ireg(SS) = 150 − 350 mA
@ Vak = 7.5 V
Anode
1
3
Radj
4
Cathode
4
12
3
DPAK
CASE 369C
MARKING DIAGRAM
1
A
Radj
YWW
NSI
150G
C
Y = Year
WW = Work Week
NSI150 = Specific Device Code
G = Pb−Free Package
ORDERING INFORMATION
Device
Package
Shipping
NSI50150ADT4G DPAK 2500/Tape & Reel
(Pb−Free)
NSV50150ADT4G DPAK 2500/Tape & Reel
(Pb−Free)
†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.
© Semiconductor Components Industries, LLC, 2015
March, 2015 − Rev. 1
1
Publication Order Number:
NSI50150AD/D

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