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CL220 Datasheet(PDF) 3 Page - Supertex, Inc

Part # CL220
Description  Simple, 220V, 20mA, Temperature-Compensated, Constant Current, LED Driver IC
PDF  7 Pages
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Manufacturer  SUTEX [Supertex, Inc]
Direct Link  http://www.supertex.com
Logo SUTEX - Supertex, Inc

CL220 Datasheet(HTML) 3 Page - Supertex, Inc

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3
CL220
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
Tel: 408-222-8888
www.supertex.com
Fig. 3 Temperature Characteristics
Fig. 1 Functional Circuit Diagram
Fig. 2 Equivalent Block Diagram
VA
VB
Control Circuit
and Temperature
Compensation
20mA
VA
VB
Sym
Parameter
Min
Typ
Max
Units Conditions
V
A-B
Operating voltage
5.0
-
220
V
---
ΔI
A-B/ΔT
I
A-B temperature coefficient
-
0.01
-
%/OC V
A-B = 45V, Tj = -40
O
C to +100OC
R
A-B
Dynamic resistance
-
300
-
kΩ
---
I
AB
Output current
18
20
22
mA
V
AB = 4.0 - 160V
18
-
25
V
AB = 160 - 220V (Fig. 4)
-
-
22
V
AB = 0 - 4.0V
I
OS
Turn-on overshoot current
-
25
-
mA
V
T = 45V (Fig. 5)
t
OS
Overshoot duration
-
1
-
µs
V
T = 45V (Fig. 5)
t
DLY
Turn-on delay
-
10
-
µs
V
T = 45V (Fig. 5)
t
RISE
Turn-on rise time
-
200
-
ns
V
T = 45V (Fig. 5)
Electrical Characteristics (T
j = 25°C unless otherwise specified)
1.02
1.01
1.00
0.99
0.98
-55
-35
-15
5
25
45
65
85
105
125
145
Junction Temperature (°C)
5V
45V
90V



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