cat3626 Catalyst Semiconductor, cat3626 Datasheet - Page 4

• Manufacturer Part Number: cat3626
• Description: 6-channel Led Driver With I?c Interface
• Manufacturer: Catalyst Semiconductor

CAT3626
TYPICAL CHARACTERISTICS
V
Doc. No. MD-5014 Rev. C
IN
Quiescent Current vs. Supply Voltage (1.5x Mode)
Quiescent Current vs. Supply Voltage (1x Mode)
= 3.6V, I
Efficiency vs. Supply Voltage (6 LEDs)
OUT
100
0.8
0.6
0.4
0.2
= 90mA (6 LEDs at 15mA), EN = V
90
80
70
60
50
40
5
4
3
2
1
0
0
3.0
3.0
4.2
1x Mode
20mA per LED
3.2
3.2 3.4
4.0
SUPPLY VOLTAGE [V]
SUPPLY VOLTAGE [V]
SUPPLY VOLTAGE [V]
3.4
6 LEDs OFF
3.8
6 LEDs OFF
3.6 3.8
3.6
3.6
15mA per LED
1.5x Mode
3.4
3.8
3.2
4.0 4.2
4.0
3.0
IN
4.2
, C
IN
= C
4
1
= C
Quiescent Current vs. Temperature (1.5x Mode)
2
Quiescent Current vs. Temperature (1x Mode)
= C
Efficiency vs. Total LED Current (6 LEDs)
OUT
= 1µF, T
100
0.8
0.6
0.4
0.2
0.0
90
80
70
60
50
40
5
4
3
2
1
0
-40
-40
AMB
0
TOTAL LED CURRENT [mA]
= 25ºC, unless otherwise specified.
VIN = 3.2V (1.5x mode)
TEMPERATURE [°C]
TEMPERATURE [°C]
VIN = 4V (1x mode)
50
0
0
6 LEDs OFF
6 LEDs OFF
Characteristics subject to change without notice
100
40
40
© Catalyst Semiconductor, Inc.
150
80
80
200
120
120