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CAT3648
1 m F
1 m F
V IN
2.4 V
to
5.5 V
CIN
1 m F
C1+
VIN
C1 ? C2+
CAT3648
C2 ?
VOUT
V OUT
C OUT
1 m F
1 ? Wire
EZDim t
Programming
3.74 k Ω
EN/DIM
RSET
GND
LED1
LED2
LED3
LED4
20 mA
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
VIN, LEDx, C1 ± , C2 ± , EN/DIM voltage
VOUT voltage
Storage Temperature Range
Junction Temperature Range
Parameter
Rating
6
7
? 65 to +160
? 40 to +150
Unit
V
V
° C
° C
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.
Table 2. RECOMMENDED OPERATING CONDITIONS
Parameter
VIN
Ambient Temperature Range
I LED per LED pin
LED Forward Voltage Range
NOTE:
Typical application circuit with external components is shown above.
http://onsemi.com
2
Rating
2.5 to 5.5
? 40 to +85
up to 30
1.3 to 4.3
Unit
V
° C
mA
V
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