CAT4240 Datasheet, PDF (5/12 Pages) Catalyst Semiconductor – 6 Watt Boost LED Driver

CAT4240
TYPICAL CHARACTERISTICS
(V_IN = 5 V, V_L = 13 V, T_AMB = 25°C, typical application circuit unless otherwise specified.)
500
1.0
400
VOUT = 20 V
0.8
300
0.6
VOUT = 30 V
200
0.4
−40°C
−25°C
85°C
125°C
100
0.2
8 9 10 11 12 13 14 15 16
3.0
3.5
4.0
4.5
5.0
INDUCTOR VOLTAGE (V)
INPUT VOLTAGE (V)
Figure 14. Maximum Output Current
Figure 15. Shutdown Voltage
1200
1100
1000
900
800
VOUT = 20 V
700
2.5 3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE (V)
Figure 16. Switch Current Limit
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