CAT3644
1 m F
1 m F
2.4 V
LED2
RSET
GND
V IN
CIN
to
5.5 V 1 m F
1 ? Wire
EZDim
Programming
4.02 k Ω
C1+ C1 ? C2+ C2 ?
V IN V OUT
CAT3644
LED1
EN/DIM
LED3
LED4
V OUT
C OUT
1 m F
20 mA
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
V IN , LEDx, C1 ± , C2 ± , EN/DIM voltage
V OUT 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
V IN
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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相关代理商/技术参数
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