CAT3606HV4-T2 Datasheet, PDF (6/12 Pages) ON Semiconductor – 6-Channel Low Noise Charge Pump White LED Driver

CAT3606
TYPICAL CHARACTERISTICS
VIN = 3.6V, EN = VIN, E¯N¯M¯ = E¯N¯¯S = GND, C_IN = C_OUT = 1µF, R_SET = 24kΩ (20mA per LED), T_AMB = 25ºC, unless
otherwise specified.
Efficiency vs. Input Voltage (6 LEDs)
100
90 1x mode
80
70
1.5x mode
60
50 ^{20mA per LED}
40
4.2 4.0 3.8
15mA per LED
3.6 3.4 3.2 3.0
INPUT VOLTAGE [V]
Efficiency vs. Total LED Current (6 LEDs)
100
90
VIN = 4V (1x mode )
80
70
60
VIN = 3.2V (1.5x mode)
50
40
0
50
100
150
200
TOTAL LED CURRENT [mA]
LED Current Change vs. Input Voltage
1.5
1.0
6 LEDs at 15mA
0.5
0.0
-0.5
-1.0
-1.5
3.0 3.2 3.4 3.6 3.8 4.0 4.2
INPUT VOLTAGE [V]
Ground Current vs. Input Voltage (1x mode)
0.5
LED Current Change vs. Temperature
4
3
6 LEDs at 15mA
2
VIN = 4V
1
0
-1
-2
-3
-4
-50 -25 0 25 50 75 100 125
TEMPERATURE [ºC]
Ground Current vs. Temperature (1x mode)
0.5
0.4
0.4
0.3
0.2
6 LEDs OFF
0.1
0.0
3.0 3.2 3.4 3.6 3.8 4.0 4.2
INPUT VOLTAGE [V]
0.3
0.2
0.1
0.0
-40 -20
6 LEDs OFF
R_SET = 500kΩ
0 20 40 60 80 100
TEMPERATURE [ºC]
Doc. No. MD-5009 Rev. D
6
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Characteristics subject to change without notice