NSI45020T1G Datasheet, PDF (1/6 Pages) ON Semiconductor – Constant Current Regulator & LED Driver

NSI45020T1G
Constant Current Regulator
& LED Driver
45 V, 20 mA + 15%, 460 mW 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. The CCR is based on patent-pending
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 25% 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 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.
Features
• Robust Power Package: 460 mW
• Wide Operating Voltage Range
• Immediate Turn-On
• Voltage Surge Suppressing − Protecting LEDs
• AEC-Q101 Qualified
• SBT (Self−Biased Transistor) Technology
• Negative Temperature Coefficient
• 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
• Switch Contact Wetting
• Application Note AND8391/D − Power Dissipation Considerations
• Application Note AND8349/D − Automotive CHMSL
MAXIMUM RATINGS (T_A = 25°C unless otherwise noted)
Rating
Symbol
Value
Unit
Anode−Cathode Voltage
Vak Max
45
V
Reverse Voltage
Operating and Storage Junction
Temperature Range
V_R
500
mV
T_J, T_stg −55 to +150 °C
ESD Rating: Human Body Model
Machine Model
ESD
Class 1C
Class B
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
http://onsemi.com
I_reg(SS) = 20 mA
@ Vak = 7.5 V
Anode 2
Cathode 1
2
1
SOD−123
CASE 425
STYLE 1
MARKING DIAGRAM
1
AC M G
G
2
AC
= Device Code
M
= Date Code
G
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
Device
Package
Shipping^†
NSI45020T1G
SOD−123 3000/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, 2009
1
November, 2009 − Rev. 4
Publication Order Number:
NSI45020/D