CAT4137_11 Datasheet, PDF (2/15 Pages) ON Semiconductor – CMOS Boost Converter - White LED Driver

CAT4137
V_IN
2.2 to
5.5 V
C1
1 mF
OFF _ON
L
D
22 mH
C2
SW _{0.22 mF}
VIN
CAT4137
V_OUT
SHDN FB
GND
V_FB = 300 mV
R1
15 W
L: Murata LQH32CN220
D: Central CMDSH2-3 (rated 30 V)
Figure 1. Typical Application Circuit
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Unit
VIN, FB voltage
−0.3 to +7
V
SHDN voltage
−0.3 to +7
V
SW voltage
−0.3 to +40
V
Storage Temperature Range
−65 to +160
_C
Junction Temperature Range
−40 to +150
_C
Lead Temperature
300
_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
Range
Unit
VIN
2.2 to 5.5
V
SW pin voltage
0 to 24
V
Ambient Temperature Range
−40 to +85
_C
LED Bias Current
1 to 30
mA
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