CAT37 CATALYST [Catalyst Semiconductor], CAT37 Datasheet - Page 4

• Manufacturer Part Number: CAT37
• Description: CMOS White LED Driver Boost Converter
• Manufacturer: CATALYST [Catalyst Semiconductor]

V
Doc. No. 5005, Rev. R
IN
= 3.6 V,T
110
105
100
1.3
1.2
1.1
1.0
0.9
0.8
30
20
10
95
90
85
80
0
1
2
0
AMB
4 LEDs
3 LEDs
3 LEDs
= 25˚C, C
2
4 LEDs
3
5
INPUT VOLTAGE [V]
INPUT VOLTAGE [V]
LED CURRENT [mA]
3
IN
= 4.7 F, C
10
4
4
20mA
10mA
10mA
20mA
3 LEDs
3 LEDs
OUT
15
5
5
= 1 F, L = 6.8 H, unless otherwise specified.
20
6
6
4
16.0
15.5
15.0
14.5
14.0
1.3
1.2
1.1
1.0
0.9
0.8
100
95
90
85
80
-50
-50
-50
4LEDs at 15mA
VIN = 3.6V
LOAD = 3 LEDs VIN
= 3.6V
4 LEDs at 15mA
VIN = 3.6V
LOAD = 3 LEDs
VIN = 3.6V
-25
-25
-25
0
0
0
LOAD =20 mA
4 LEDs
LOAD = 20mA
4 LEDs
25
25
25
50
50
50
75
75
75
100
100
100