nsi50350ast3g ON Semiconductor, nsi50350ast3g Datasheet

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nsi50350ast3g

Manufacturer Part Number
nsi50350ast3g
Description
Nsi50350ast3g Constant Current Regulator & Led Driver
Manufacturer
ON Semiconductor
Datasheet

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NSI50350AST3G
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NSI50350AST3G
Constant Current Regulator
& LED Driver
50 V, 350 mA + 10%, 5.8 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
Mechanical Characteristics
© 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 DPAK: NSI50350ADT4G
Compliant
Instrument Backlighting, CHMSL, Map Light
Lettering
Considerations
readily solderable
260°C for 10 seconds
Robust Power Package: 5.8 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
CASE:
FINISH:
MAXIMUM CASE TEMPERATURE FOR SOLDERING PURPOSES:
LEADS:
POLARITY:
MOUNTING POSITIONS:
Void-free, transfer-molded, thermosetting plastic
All external surfaces are corrosion resistant and leads are
Modified L−Bend providing more contact area to bond pads
Cathode indicated by molded polarity notch
Any
1
NSI50350AST3G
†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
(Note: Microdot may be in either location)
350A
A
Y
WW
G
ORDERING INFORMATION
MARKING DIAGRAM
I
http://onsemi.com
reg(SS)
1
@ Vak = 7.5 V
= Specific Device Code
= Assembly Location
= Year
= Work Week
= Pb−Free Package
Cathode 1
CASE 403
(Pb−Free)
Anode 2
1
Package
AYWW
SMC
SMC
350AG
= 350 mA
Publication Order Number:
G
2
2500 / Tape & Reel
2
Shipping
NSI50350AS/D

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nsi50350ast3g Summary of contents

Page 1

... Year WW = Work Week G = Pb−Free Package (Note: Microdot may be in either location) ORDERING INFORMATION Device Package NSI50350AST3G SMC (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/ ...

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 550 T = 25°C A 500 450 400 ...

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

... Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...

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