CBT-120-UVProduct Datasheet
CBT-120 Product
CBT-120-UV LEDs
Features:
•
11 W of optical power from 370 nm to 392 nm.
•
High thermal conductivity package .
›
Junction to heat sink thermal resistance of 0.7 °C/W
•
Photonic lattice technology for very high power density and uniform emission
•
Large, monolithic chip with surface emitting area of 12 mm
2
, 16:9 aspect ratio
•
Low-profile window for efficient coupling into small-etendue systems
•
High radiometric efficiency
•
Environmentally friendly: RoHS compliant, mercury-free
•
Variable drive currents: less than 1 A through 30 A
Table of Contents
Technology Overview
. . . . . .2
Optical & Electrical
Characteristics
. . . . . . . . . . . . .3
Flux & Spectral Characteristics
vs. Temperature
. . . . . . . . . . . .4
Lifetime & Power
Maintenance
. . . . . . . . . . . . . . .5
Radiation Patterns
. . . . . . . . .6
Thermal Resistance
. . . . . . . .6
Mechanical Dimensions
. . . .7
Ordering Information
. . . . . .8
Applications
•
Curing:
›
Inks
›
Coatings
›
Adhesives
•
Inspection
•
Machine Vision
•
Fiber-coupled illumination
•
Specialty Projection Systems for
Maskless Lithography:
›
Optically matched to TI 0.95”DMD
•
Rapid Prototyping and 3D printing
•
Medical and Scientific
Intrumentation
1
PDS-001574 Rev 01
© 2011 Luminus Devices, Inc. - All Rights Reserved
Luminus Devices, Inc.
•
T
978.528.8000 • www.luminus.com
1100 Technology Park Drive • Billerica, MA 01821
CBT-120-UV Product Datasheet
Technology Overview
Luminus Big Chip LEDs™ benefit from innovations in device technology, chip packaging and thermal management. This suite of
technologies give engineers and system designers the freedom to develop solutions both high in power and efficiency.
Photonic Lattice Technology
Luminus’ photonic lattice technology enables large area LED
chips to emit photons uniformly over the entire LED chip
surface. The intense optical power density produced by these
UV Big Chip LEDs™ facilitate designs which replace arc and
halogen lamps where arrays of traditional high power LEDs
cannot.
For UV devices, Luminus engineers the photonic lattice to
maximize light extraction and to emit with a Lambertian
far-field distribution pattern. The design maximizes efficiency
and allows for flexible optical designs.
Reliability
Designed from the ground up, Luminus Big Chip LEDs are one of
the most reliable light sources in the world today. Big Chip LEDs
have passed a rigorous suite of environmental and mechanical
stress tests, including mechanical shock, vibration, temperature
cycling and humidity, and have been fully qualified for use in
extreme high power and high current applications. With very
low failure rates and median lifetimes that typically exceed
10,000 hours, Luminus Big Chip LEDs are ready for even the
most demanding applications.
Environmental Benefits
Packaging Technology
Thermal management is critical in high power LED applications.
With a thermal resistance from junction to heat sink of 0.7°C/W,
Luminus CBT-120-UV LEDs have the lowest thermal resistance of
any LED on the market. This allows the LED to be driven at
higher current densities while maintaining a low junction
temperature, thereby resulting in brighter solutions and longer
lifetimes.
Luminus LEDs help reduce power consumption and the amount
of hazardous waste entering the environment. All Big Chip LED
products manufactured by Luminus are RoHS compliant and
free of hazardous materials, including lead and mercury.
Understanding Big Chip LED Test Specifications
Every Luminus LED is fully tested to ensure that it meets the high quality standards expected from Luminus’ products.
Testing Temperature
Luminus core board products are typically measured in such a
way that the characteristics reported agree with how the
devices will actually perform when incorporated into a system.
This measurement is accomplished by mounting the devices on
a 40ºC heat sink and allowing the device to reach thermal
equilibrium while fully powered. Only after the device reaches
equilibrium are the measurements taken. This method of
measurement ensures that Luminus Big Chip LEDs perform in
the field just as they are specified.
Multiple Operating Points (4.2 A, 18 A, 30 A)
The tables on the following pages provide typical optical and
electrical characteristics. Since the LEDs can be operated over a
wide range of drive conditions(currents from <1A to 30 A, and
duty cycle from <1% to 100%), multiple drive conditions
are listed.
CBT-120-UV devices are production specified at 18 A. The values
shown at 4.2 A and 30 A are for additional reference at other
possible drive conditions. Driving devices beyond
recommended driving conditions shortens lifetime (see
derating curves on page 5).
2
PDS-001574 Rev 01
© 2011 Luminus Devices, Inc. - All Rights Reserved
Luminus Devices, Inc.
•
T
978.528.8000 • www.luminus.com
1100 Technology Park Drive • Billerica, MA 01821
CBT-120-UV Product Datasheet
CBT-120 Product Datasheet
Reference Optical & Electrical Characteristics (T
hs
= 40°C)
1,2
UV
Drive Condition
Parameter
Current Density
Forward Voltage
Radiometric Flux
5
Radiometric Flux Density
Wavelength Range
Peak Wavelength
FWHM
Symbol
j
V
F min
V
F
V
F max
Φ
typ
Φ
R
λ
λ
p
Δλ
1/2
2.4
0.2
381.5 - 391.5
386.5
12
Symbol
Emitting Area
Emitting Area Dimensions
Dynamic Resistance
Ω
dyn
Symbol
Maximum Current
6
Maximum Junction Temperature
7
Storage Temperature Range
Note 1:
Note 2:
Note 3:
Data verification pending NIST calibration.
All data are based on test conditions with a constant heat sink temperature T
hs
= 40°C under pulse testing conditions. Pulse conditions: 25%
duty-cycle and frequency of 360 Hz. Nominal T
j
≈ 80°C. See Thermal Resistance section for T
j
and T
hs
definition.
Listed drive conditions are typical for common applications. CBT-120-UV devices can be driven at currents ranging from <1 A to 30 A and at duty
cycles ranging from 1% to 100%. Drive current and duty cycle should be adjusted as necessary to maintain the junction temperature desired to meet
application lifetime requirements.
Unless otherwise noted, values listed are typical. Devices are production tested and specified at 18 A. Values at 4.2 A and 30 A are for reference only.
Total flux from emitting area at listed peak wavelength. Reported performance is included to show trends for a selected power level. For specific
minimum and maximum values, use bin tables. For product roadmap and future performance of devices, contact Luminus.
CBT-120-UV LEDs are designed for operation to an absolute maximum current as specified above. Product lifetime data is specified at recommended
forward drive currents. Sustained operation at or beyond absolute maximum currents will result in a reduction of device life time compared to
recommended forward drive currents. Actual device lifetimes will also depend on junction temperature. Refer to the lifetime derating curves for
further information. In pulsed operation, rise time from 10-90% of forward current should be longer than 0.5 μseconds.
Lifetime dependent on LED junction temperature. Input power and thermal system must be properly managed to ensure lifetime. See charts on
page 5 for further information.
Special design considerations must be observed for operation under 1 A. Please contact Luminus for further information.
Caution must be taken not to stare at the light emitted from these LEDs. Under special circumstances, the high intensity could damage the eye.
4.2 A
0.35
3.4
18 A
Values
4
1 .5
3.5
3.7
4.1
10.0
0.8
382 - 392
387
13
UV
12 .0
4.63 × 2.6
0 .02
UV
30
T
jmax
150
-40 to +100
30 A
Unit
2 .5
3.9
15.0
1.2
382.5 - 392.5
387.5
14
A/mm
2
V
V
V
W
W/mm
2
nm
nm
nm
Unit
mm
2
mm × mm
Ω
Unit
A
°C
°C
Absolute Maximum Ratings
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
3
PDS-001574 Rev 01
© 2011 Luminus Devices, Inc. - All Rights Reserved
Luminus Devices, Inc.
•
T
978.528.8000 • www.luminus.com
1100 Technology Park Drive • Billerica, MA 01821
CBT-120-UVProduct Datasheet
CBT-120 Product
Optical & Electrical Characteristics
Relative Power
vs
Forward Current (I
f
)
T
j
= 120°C, normalized to 18 A
1.6
1 .4
1 .2
Relative Power
1
0 .8
0.6
0 .4
0 .2
0
0
5
10
15
20
I
f
- Forward Current (A)
25
30
0 .75
40
60
80
100
T
j
- Junction Temperature (°C)
120
Relative Power
1 .15
1 .05
0 .95
0 .85
1 .25
Relative Power
vs
Junction Temperature (T
j
)
I
f
= 18 A, normalized to 80°C
Forward Voltage (V
f
)
vs
Forward Current (I
f
)
4
3.9
V
f
-
Forward Voltage (Volts)
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3
0
5
10
15
20
I
f
- Forward Current (A)
25
30
V
f
-
Forward Voltage (Volts)
3.8
4
3.95
3.9
3.85
3.8
3.75
3.7
3.65
3.6
3.55
3.5
Forward Voltage (V
f
)
vs
Junction Temperature (T
j
)
40
50
60
70
80
90
100
T
j
- Junction Temperature (°C)
110
120
Peak Wavelength
vs
Forward Current (I
f
)
387.2
387.1
Peak Wavelength (nm)
387
386.9
386.8
386.7
386.6
386.5
0
5
10
15
20
I
f
- Forward Current (A)
25
30
Peak Wavelength (nm)
390
389
388
387
386
385
384
40
Peak Wavelength
vs
Junction Temperature (T
j
)
50
60
70
80
90
100
T
j
- Junction Temperature (°C)
110
120
4
PDS-001574 Rev 01
© 2011 Luminus Devices, Inc. - All Rights Reserved
Luminus Devices, Inc.
•
T
978.528.8000 • www.luminus.com
1100 Technology Park Drive • Billerica, MA 01821
CBT-120-UV Product Datasheet
CBT-120 Product Datasheet
CBT-120-UV Reliability
10
CBT120-UV Derating Curve
B50 Lifetime (Median of Population)
CBT120-UV B50 Lifetime
35,000
30,000
25,000
20,000
15,000
10,000
5,000
0
I
F
-Maximum Current (A)
22
20
18
16
14
12
10
8
6
70
80
B50 Lifetime (Hours)
14A
16A
18A
20A
B50 = 5kh
B50 = 10kh
B50 = 15kh
90 100 110 120 130 140
Maximum Junction Temperature (°C)
150
160
70
80
90
100 110 120 130 140
Junction Temperature (°C)
150
160
I
F
-Maximum Current (A)
22
20
18
16
14
12
10
8
6
70
CBT120-UV Derating Curve
B10 Lifetime (10% of Population)
CBT120-UV B10 Lifetime
B10 Lifetime (Hours)
25,000
20,000
15,000
10,000
5,000
0
70
14A
16A
18A
20A
B10 = 5kh
B10 = 10kh
B10 = 15kh
80
90 100 110 120 130 140
Maximum Junction Temperature (°C)
150
160
80
90
100 110 120 130 140
Junction Temperature (°C)
150
160
Typical Spectrum
11
1
Relative Power
0 .8
0.6
0 .4
0 .2
0
350
360
370
380
390
400
Wavelength (nm)
410
420
Full-width
Half-Maximum
Note 10. Lifetime defined as time to 70% of initial intensity. Based on preliminary lifetime test data. Data can be used to model failure rate over typical
product lifetime.
Note 11. Typical spectrum at current of 18 A in continuous operation.
5
PDS-001574 Rev 01
© 2011 Luminus Devices, Inc. - All Rights Reserved
Luminus Devices, Inc.
•
T
978.528.8000 • www.luminus.com
1100 Technology Park Drive • Billerica, MA 01821
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