CAT3603 Datasheet, PDF (2/11 Pages) Catalyst Semiconductor – 3-Channel LED Driver in 3x3mm Package

CAT3603
1 mF
1 mF
VIN
3 V ^CIN
to
5.5 V ^{1 mF}
OFF _ON
23.7 kW
C1+ C1− C2+ C2−
V_IN
VOUT
CAT3603
EN
RSET
GND
LED1
LED2
LED3
VOUT
COUT
1 mF
20 mA
Note: Unused LED channels must be connected to VOUT.
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, VOUT, LEDx voltage
−0.3 to 7.0
V
EN voltage
−0.3 to VIN
V
RSET voltage
−0.3 to VIN
V
Junction Temperature Range
−40 to +150
_C
Storage Temperature Range
−65 to +160
_C
Lead Temperature
300
_C
ESD Rating HBM (Human Body Model)
2,000
V
ESD Rating MM (Machine Model)
200
V
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
Input, Output, Bucket Capacitors
I_LED per LED pin
1. Typical application circuit with external components is shown above.
Range
Unit
3 to 5.5
V
−40 to +85
_C
1 ±20% typical
mF
0 to 30
mA
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