nsi50350ad ON Semiconductor, nsi50350ad Datasheet

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nsi50350ad

Manufacturer Part Number
nsi50350ad
Description
Nsi50350adt4g Constant Current Regulator & Led Driver
Manufacturer
ON Semiconductor
Datasheet

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nsi50350adT4G
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NSI50350ADT4G
Constant Current Regulator
& LED Driver
50 V, 350 mA + 10%, 11 W Package
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.
only 0.5 V Vak. 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. The CCR comes in thermally
robust packages and is qualified to AEC-Q101 standard and UL94−V0
Certified.
Features
Typical Applications
© Semiconductor Components Industries, LLC, 2011
August, 2011 − Rev. 2
The linear constant current regulator (CCR) is a simple, economical
The CCR turns on immediately and is at 20% of regulation with
Also available in SMC: NSI50350AST3G
Compliant
Instrument Backlighting, CHMSL, Map Light
Lettering
Considerations
Robust Power Package: 11 W
Wide Operating Voltage Range
Immediate Turn-On
Voltage Surge Suppressing − Protecting LEDs
AEC-Q101 Qualified, UL94−V0 Certified
SBT (Self−Biased Transistor) Technology
Negative Temperature Coefficient
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Automobile: Chevron Side Mirror Markers, Cluster, Display &
AC Lighting Panels, Display Signage, Decorative Lighting, Channel
Application Note AND8349/D − Automotive CHMSL
Application Notes AND8391/D, AND9008/D − Power Dissipation
1
NSI50350ADT4G
†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.
Device
Y
WW
NSI350A = Specific Device Code
G
ORDERING INFORMATION
NC
MARKING DIAGRAM
A
I
http://onsemi.com
reg(SS)
@ Vak = 7.5 V
1 2
1
CASE 369C
= Year
= Work Week
= Pb−Free Package
Cathode 4
(Pb−Free)
Anode 1
Package
DPAK
DPAK
3
YWW
NSI
350AG
= 350 mA
Publication Order Number:
4
2500 / Tape & Reel
4
C
NSI50350AD/D
Shipping

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nsi50350ad Summary of contents

Page 1

... ORDERING INFORMATION Device Package NSI50350ADT4G DPAK (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/ † Shipping 2500 / Tape & Reel Publication Order Number: NSI50350AD/D ...

Page 2

MAXIMUM RATINGS (T = 25°C unless otherwise noted) A Rating Anode−Cathode Voltage Reverse Voltage Operating and Storage Junction Temperature Range ESD Rating: Human Body Model Machine Model Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings ...

Page 3

DENKA K1 @ 900 mm 400 350 300 250 200 150 100 50 0 −50 − Vak, ANODE−CATHODE VOLTAGE (V) Figure 1. General Performance Curve for CCR 500 T = 25°C A 450 400 350 ...

Page 4

The CCR is a self biased transistor designed to regulate the current through itself and any devices in series with it. The device has a slight negative temperature coefficient, as shown in Figure 2 – Tri Temp. (i.e. if the ...

Page 5

Other Currents The adjustable CCR can be placed in parallel with any other CCR to obtain a desired current. The adjustable CCR provides the ability to adjust the current as LED efficiency increases to obtain the same light output (Figure ...

Page 6

Thermal Considerations As power in the CCR increases, it might become necessary to provide some thermal relief. The maximum power dissipation supported by the device is dependent upon board design and layout. Mounting pad configuration on the PCB, the board ...

Page 7

... REF 2.74 REF L2 0.020 BSC 0.51 BSC L3 0.035 0.050 0.89 1.27 L4 −−− 0.040 −−− 1.01 Z 0.155 −−− 3.93 −−− 6.17 0.243 mm inches ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative NSI50350AD/D ...

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