CAT4139 Datasheet, PDF (5/13 Pages) Catalyst Semiconductor – 22V High Current Boost White LED Driver

CAT4139
TYPICAL CHARACTERISTICS
V_IN = 5.0V, I_OUT = 180mA, T_AMB = 25ºC, with typical application circuit unless otherwise specified.
Maximum Output Current
Shutdown Voltage
300
250
VOUT = 9V
200
150
100
VOUT = 14V
50
0
3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE [V]
1.0
-25°C
0.8
-40°C
0.6
0.4
85°C
125°C
0.2
3.0 3.5 4.0 4.5 5.0
INPUT VOLTAGE [V]
Switch Current Limit
900
VOUT = 9V
850
800
VOUT = 12V
750
700
650
600
4.5 4.7 4.9 5.1 5.3 5.5
INPUT VOLTAGE [V]
© Catalyst Semiconductor, Inc.
5
Characteristics subject to change without notice
Doc. No. MD-5032 Rev. A