CAT3612_08 Datasheet, PDF (4/14 Pages) Catalyst Semiconductor – Programmable 300mA Camera Flash LED Driver

CAT3612
TYPICAL CHARACTERISTICS
VIN = 3.6V, I_OUT = 100mA, C_IN = C_OUT = 2.2μF, C₁ = C₂ = 1μF, T_AMB = 25°C unless otherwise specified.
Efficiency vs. Input Voltage
100
V_F = 3.4V
90
V_F = 3V
Efficiency vs. LED Current
100
90
VIN = 4.2V (1x Mode)
80
80
70
60
IOUT = 250mA
50
IOUT = 100mA
40
4.2 4.0 3.8 3.6 3.4 3.2 3.0
INPUT VOLTAGE [V]
Quiescent Current vs. Input Voltage (1x mode)
0.8
70
60
50
VIN = 3.2V (1.5x Mode)
40
50
100 150 200 250 300
LED CURRENT [mA]
Quiescent Current vs. Temperature (1x mode)
0.8
0.6
0.6
0.4
0.4
0.2
LED Off
0.0
3.0 3.2 3.4 3.6 3.8 4.0 4.2
INPUT VOLTAGE [V]
Quiescent Current vs. Input Voltage (1.5x mode)
6.0
5.0
4.0
3.0
2.0
1.0
LED Off
0.0
3.0 3.2 3.4 3.6 3.8 4.0 4.2
INPUT VOLTAGE [V]
0.2
LED Off
0.0
-40
0
40
80
120
TEMPERATURE [°C]
Quiescent Current vs. Temperature (1.5x mode)
6.0
5.0
4.0
3.0
2.0
1.0
LED Off
0.0
-40
0
40
80
120
TEMPERATURE [°C]
Doc. No. MD-5016 Rev. B
4
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice