CAT3647 Datasheet, PDF (2/14 Pages) Catalyst Semiconductor – 3-Channel Ultra High Efficiency Quad-Mode™ LED Driver with 32 Dimming Levels

CAT3647
1 mF
1 mF
V_IN
2.4 V
to
5.5 V
C_IN
1 mF
1−Wire
EZDimt
Programming
3.74 kΩ
C1+ C1− C2+ C2−
VIN
VOUT
CAT3647
EN/DIM
RSET
GND
LED1
LED2
LED3
V_OUT
C_OUT
1 mF
20 mA
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, LEDx, C1±, C2±, EN/DIM, RSET voltage
6
V
VOUT voltage
7
V
Storage Temperature Range
−65 to +160
°C
Junction Temperature Range
−40 to +150
°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.
Rating
Unit
2.5 to 5.5
V
−40 to +85
°C
up to 30
mA
1.3 to 4.3
V
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