Freelance Electronics Components Distributor
Closed Dec 25th-26th
800-300-1968
We Stock Hard to Find Parts

CL2N3-G

Part # CL2N3-G
Description LED DRIVER, TEMPERATURE COMPENSATED, CONSTANT CURRENT SOUR
Category LED
Availability In Stock
Qty 19
Qty Price
1 + $0.14971
Manufacturer Available Qty
Supertex
Date Code: 0723
  • Shipping Freelance Stock: 19
    Ships Immediately



Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Supertex inc.
Supertex inc.
www.supertex.com
CL2
Doc.# DSFP-CL2
C071012
Features
5.0 to 90V operating range (V
A-B
)
20mA ±10% at 5.0 - 90V
0.01%/°C typical temperature coefcient
Available in TO-243AA (SOT-89), TO-252 (D-PAK),
& TO-92 packages
Can be paralleled for higher current
Applications
LED driver
Industrial lamp indicators
Signage
Accent lighting
Automotive
Constant current source
Constant current sink
General Description
The Supertex CL2 is a high voltage, temperature compensated,
constant current source. The device is trimmed to provide
a constant current of 20mA±10% at an input voltage of 5.0
- 90V. The device can be used as a two terminal constant
current source or constant current sink.
A typical application for the CL2 is to drive LEDs with a constant
current of 20mA. Multiple CL2s can also be used in parallel to
provide higher currents such as 40mA, 60mA or 80mA. The
device is available in TO-243AA (SOT-89), TO-252 (D-PAK),
and TO-92 packages.
Typical Application Circuit
Simple 90V, 20mA, Temperature Compensated
Constant Current LED Driver IC
VA
VB
Up to 90V
+ V
LED(total)
+
V
LED(total)
-
VA
VB
Functional Circuit
Diagram
CL2
I
LED
<20mA
Control Circuit
and Temperature
Compensation
100nF
2
CL2
Supertex inc.
www.supertex.com
Doc.# DSFP-CL2
C071012
Absolute Maximum Ratings
Parameter Value
Operating voltage, V
A-B
100V
Operating junction temperature, T
j
-40°C to +125°C
Storage temperature, T
S
-55°C to +150°C
Absolute Maximum Ratings are those values beyond which damage to the
device may occur. Functional operation under these conditions is not implied.
Continuous operation of the device at the absolute rating level may affect device
reliability. All voltages are referenced to device ground.
Typical Thermal Characteristics
Package
Power Dissipation
@T
A
= 25
O
C
(W)
θ
ja
(
O
C/W)
TO-252 2.0* 81*
TO-92 0.6 132
TO-243AA 1.3* 133*
Pin Congurations
* Mounted on FR4 board; 25mm x 25mm x 1.57mm
Sym Parameter Min Typ Max Units Conditions
V
A-B
Operating voltage 5.0 - 90 V ---
I
A-B
Current regulation 18.0 20 22 mA V
A-B
= 5.0V - 90V
ΔI
A-B
/ΔT I
A-B
temperature coefcient - 0.01 - %/
O
C V
A-B
= 45V, T
j
= -40
O
C to +100
O
C
T
j
Operating junction temperature -40 - 125
O
C ---
R
A-B
Dynamic resistance - 300 - ---
Electrical Characteristics (T
A
= 25°C unless otherwise specied)
YY = Year Sealed
WW = Week Sealed
L = Lot Number
= “Green” Packaging
Si YYWW
CL2
LLLLLLL
YY = Year Sealed
WW = Week Sealed
= “Green” Packaging
SiCL
2
YYWW
CL2W
W = Code for week sealed
= “Green” Packaging
TO-252 (D-PAK) (K4)
TO-92 (N3)
TO-92 (N3)
TO-243AA (SOT-89) (N8)
TO-252 (D-PAK) (K4)
TO-243AA (SOT-89) (N8)
Product Marking
NC
VA
VB
VA
N/C
VB
VA
N/C
VB
VB
Package may or may not include the following marks: Si or
Package may or may not include the following marks: Si or
Package may or may not include the following marks: Si or
-G indicates package is RoHS compliant (‘Green’)
Refer to ‘P0xx’ Tape & Reel Specs for P002, P003, P005, P013, and P014 TO-
92 Taping Specications and Winding Styles
Part Number Package Options Packing
CL2K4-G TO-252 (D-PAK) 2000/Reel
CL2N3-G TO-92 1000/Bag
CL2N3-G P002 TO-92 2000/Reel
CL2N3-G P003 TO-92 2000/Reel
CL2N3-G P005 TO-92 2000/Reel
CL2N3-G P013 TO-92 2000/Reel
CL2N3-G P014 TO-92 2000/Reel
CL2N8-G TO-243AA (SOT-89) 2000/Reel
Ordering Information
3
CL2
Supertex inc.
www.supertex.com
Doc.# DSFP-CL2
C071012
Output Current vs Voltage
Temperature Characteristics
0.98
0.99
1.00
1.01
1.02
1.03
-55-35 -15525 45 65 85 105 125 145
Temperature (°C)
Current, normalized to 25°C
5.0V
45V
90V
0
5
10
15
20
25
0102030405060708090 100
V
A-B
I
A-B
(mA)
Functional Circuit Diagram Equivalent Block Diagram
VA
Control Circuit
and Temperature
Compensation
VB
20mA
±10%
VA
VB
123NEXT