CL220
Simple, 220V, 20mA, Temperature-Compensated,
Constant-Current, LED Driver IC
Features
Description
•
•
•
•
CL220 is a high voltage, temperature-compensated,
20mA constant current regulator. The device operates
at up to 220V, and is accurate to ±10% over a 5 - 160V
range. The device can be used as a two-terminal, constant-current source or a constant-current sink.
5.0 to 220V operating range (VA-B)
20mA ±10% at 5.0 - 160V
0.01% / °C typical temperature coefficient
Packages Types:
- TO-252 (D-PAK)
- TO-220
• Can be paralleled for higher current
Applications
•
•
•
•
•
Industrial lamp indicators
Signage
Accent lighting
Constant current source
Constant current sink
2015 Microchip Technology Inc.
A typical application for CL220 is to drive LEDs with a
constant current of 20mA. Multiple CL220s can also be
used in parallel to provide higher currents such as
40mA, 60mA, 80mA, and so on. The device is available
in the TO-252 (D-PAK) and TO-220 packages.
DS20005413A-page 1
CL220
Package Type
VB
VB
NC
VA
NC
VA
VB
TO-220
TO-252 (D-PAK)
See Table 2-1 for pin information
Typical Application Circuit
VA
Functional
Circuit Diagram
CL220
Up to 220V
+ VLED(TOTAL)
10nF
VA
Control Circuit
and Temperature
Compensation
VB
+
ILED
20mA
VLED(TOTAL)
VB
–
Functional Circuit Diagram
VA
Control Circuit
and Temperature
Compensation
VA
20mA
VB
DS20005413A-page 2
Equivalent Block Diagram
VB
2015 Microchip Technology Inc.
CL220
1.0
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS†
Operating voltage, VA-B .................................................................................................................................................................. 240V
Operating junction temperature, TJ .............................................................................................................................. -40°C to +125°C
Storage temperature, TS .............................................................................................................................................. -55°C to +150°C
† Notice: Stresses above those listed under “Maximum Ratings” may cause permanent damage to the device. This is
a stress rating only and functional operation of the device at those or any other conditions above those indicated in the
operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods
may affect device reliability.
TABLE 1-1:
ELECTRICAL CHARACTERISTICS
Electrical Specifications: Unless otherwise specified, for all specifications TJ = +25°C
Symbol
VA-B
∆IA-B/∆T
RA-B
IAB
Parameter
Min
Typ
Max
Operating voltage
5.0
-
220
V
IA-B temperature coefficient
-
0.01
-
%/°C
Dynamic resistance
-
300
-
kΩ
18
20
22
18
-
25
-
-
22
-
25
-
Output current
Units Conditions
VA-B= 45V, Tj= -40°C to
+100°C (Note 1)
VAB= 4.0 - 160V
mA
VAB= 160 - 220V (Fig. 4)
VAB= 0 - 4.0V
IOS
Turn-on overshoot current
tOS
mA
VT= 45V (Fig. 5) (Note 1)
Overshoot duration
-
1
-
µs
VT= 45V (Fig. 5) (Note 1)
tDLY
Turn-on delay
-
10
-
µs
VT= 45V (Fig. 5) (Note 1)
tRISE
Turn-on rise time
-
200
-
ns
VT= 45V (Fig. 5) (Note 1)
Note 1: Obtained by Characterization; Not 100% tested in production.
TABLE 1-2:
THERMAL RESISTANCE, JUNCTION TO AMBIENT
θja
Package
Units
Min
Typ
Max
TO-252 (D-PAK)
–
81
–
°C/W
TO-220
–
29
–
°C/W
Conditions
Soldered to 2.0 cm2 copper area exposed to
free air (Note 1)
Note 1: Obtained by Characterization; Not 100% tested in production.
2.0
PIN DESCRIPTION
The locations of the pins are shown in Package Type
and Packaging Information.
TABLE 2-1:
PIN DESCRIPTION
Pin # TO-252
Pin # TO-220
Function
Description
1
1
VA
Current flows into this pin
4
2, 4
VB
Current flows out of this pin
3
3
NC
No connection
2015 Microchip Technology Inc.
DS20005413A-page 3
CL220
3.0
APPLICATION INFORMATION
Figures 3-1- 3-6 show the characteristics and timing for CL220.
1.02
Current, normalized to 25°C
5V
45V
1.01
90V
1.00
0.99
0.98
-55
-35
-15
5
25
45
65
85
105
125
145
Junction Temperature (°C)
FIGURE 3-1:
Temperature Characteristics
30
25
IA-B (mA)
20
15
10
5
scale change
0
0
5
10
15
20
60
100
140
180
220
VA-B (V)
FIGURE 3-2:
DS20005413A-page 4
Output Characteristics
2015 Microchip Technology Inc.
CL220
VT
VA-B
0V
tDLY
tRISE
tOS
Turn-on overshoot due to
start-up characteristics
of internal circuitry
IOS
100%
90%
IA-B
10%
0mA
Inrush spike due to charging
of parasitic capacitances
and dV/dt CDG feed-thru
FIGURE 3-3:
Timing Diagram
VT
IA-B
1.0µF film
CL220
FIGURE 3-4:
Timing Test Circuit
VA
CL220
Up to 220V
+VLED(TOTAL)
VA
CL220
VA
VA
CL220
CL220
10nF
VB
VB
VB
VB
+
ILED
20mA
ILED
20mA
ILED
20mA
ILED
20mA
VLED(TOTAL)
–
FIGURE 3-5:
CL220 for Multiple LED Strings
2015 Microchip Technology Inc.
DS20005413A-page 5
CL220
VA
CL220
Up to 220V
+VLED(TOTAL)
10nF
VB
VA
VA
CL220
CL220
VB
VB
+
ILED
60mA
VLED(TOTAL)
–
FIGURE 3-6:
3.1
CL220 for Higher Current
Functional Circuit and Block
Diagram
VA
Control Circuit
and Temperature
Compensation
VB
FIGURE 3-7:
Functional Circuit Diagram
VA
20mA
VB
FIGURE 3-8:
Block Diagram (Equivalent
Functional Circuit)
DS20005413A-page 6
2015 Microchip Technology Inc.
CL220
4.0
PACKAGING INFORMATION
4.1
Package Marking Information
TO-252 (D-PAK)
Example
XXXX
XXXXX e3
YYWWNNN
CL
220K4 e3
1522343
3-lead TO-220
XXXXXXXXX
e3 XXXXXXX
YYWWNNN
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
Example
CL220N5
e3 1522343
Product Code or Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC® designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available
characters for product code or customer-specific information. Package may or
not include the corporate logo.
2015 Microchip Technology Inc.
DS20005413A-page 7
CL220
Note: For the most current package drawings, see the Microchip Packaging Specification at www.microchip.com/packaging.
DS20005413A-page 8
2015 Microchip Technology Inc.
CL220
3-Lead TO-220 Package Outline (N5)
A
E2
E
Seating
Plane
A1
A
ΦP
Thermal
Pad
E
Q
H1
4
D2
D
D1
Chamfer
Optional
1
3
2
E1
L
View
B
A2
c
e
Front View
A
Side View
1
View A - A
3
2
L1
b
b2
View B
Note: For the most current package drawings, see the Microchip Packaging Specification at www.microchip.com/packaging.
Symbol
Dimension
(inches)
A
A1
A2
b
b2
c
D
D1
D2
E
E1
E2
MIN
.140
.020
.080
.015
.045
.012†
.560
.326†
.474†
.380
.270
0.20*
NOM
-
-
-
.027
.057
-
-
-
-
-
-
-
MAX
.190
.055
.120
.040
.070
.024
.650
.361
.507
.420
.350
.030
†
†
e
.100
BSC
H1
L
L1
Q
ĭP
.230
.500
.200*
.100
.139
-
-
-
-
-
.270
.580
.250
.135
.161
JEDEC Registration TO-220, Variation AB, Issue K, April 2002.
7KLVGLPHQVLRQLVQRWVSHFL¿HGLQWKH-('(&GUDZLQJ
7KLVGLPHQVLRQGLIIHUVIURPWKH-('(&GUDZLQJ
Drawings not to scale.
2015 Microchip Technology Inc.
DS20005413A-page 9
CL220
APPENDIX A:
REVISION HISTORY
Revision A (July 2015)
• Update file to new format
DS20005413A-page 10
2015 Microchip Technology Inc.
CL220
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.
PART NO.
Device
-
XX
X
-
Package Environmental
Options
X
Media
Type
Device:
CL220
= Simple, 220V, 20 mA, temperature-compensated, constant-current LED driver IC
Package:
K4
N5
= TO-252 (D-PAK)
= TO-220
Environmental
G
= Lead (Pb)-free/ROHS-compliant package
Media Type:
(blank)
= 2000/Reel for TO-252
= 50/Tube for TO-220
2015 Microchip Technology Inc.
Examples:
a)
CL220K4-G
b)
CL220N5-G
TO-252 package,
2000/reel
TO-220 package,
50/Tube
DS20005413A-page 11
CL220
Note the following details of the code protection feature on Microchip devices:
•
Microchip products meet the specification contained in their particular Microchip Data Sheet.
•
Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
•
There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
•
Microchip is willing to work with the customer who is concerned about the integrity of their code.
•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR
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The Microchip name and logo, the Microchip logo, dsPIC,
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The Embedded Control Solutions Company and mTouch are
registered trademarks of Microchip Technology Incorporated
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Analog-for-the-Digital Age, BodyCom, chipKIT, chipKIT logo,
CodeGuard, dsPICDEM, dsPICDEM.net, ECAN, In-Circuit
Serial Programming, ICSP, Inter-Chip Connectivity, KleerNet,
KleerNet logo, MiWi, MPASM, MPF, MPLAB Certified logo,
MPLIB, MPLINK, MultiTRAK, NetDetach, Omniscient Code
Generation, PICDEM, PICDEM.net, PICkit, PICtail,
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SQTP is a service mark of Microchip Technology Incorporated
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All other trademarks mentioned herein are property of their
respective companies.
© 2015, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
ISBN: 978-1-63277-590-0
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DS20005413A-page 12
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DS20005413A-page 13
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