LTC3210-1_15 Datasheet, PDF (5/16 Pages) Linear Technology – MAIN/CAM LED Controller with 64-Step Brightness Control in 3mm 3mm QFN

LTC3210-1
T ypical P erforma nce Char acteristics T_A = 25°C, unless otherwise stated.
CLED Pin Dropout Voltage
vs CLED Pin Current
500
V_BAT = 3.6V
400
300
200
100
0
50 100 150 200 250 300 350 400
CLED PIN CURRENT (mA)
32101 G10
MLED Pin Dropout Voltage
vs MLED Pin Current
120
V_BAT = 3.6V
100
80
60
40
20
0
0 2 4 6 8 10 12 14 16 18 20
MLED PIN CURRENT (mA)
32101 G11
Oscillator Frequency
vs V_BAT Voltage
850
840
T_A = 25°C
830
820
810
T_A = 85°C
800
T_A = –40°C
790
780
770
760
2.7 3.0 3.3 3.6 3.9
V_BAT VOLTAGE (V)
4.2 4.5
32101 G12
V_BAT Shutdown Current
vs V_BAT Voltage
5.0
4.5
T_A = 25°C
4.0
3.5
T_A = –40°C
3.0
2.5
T_A = 85°C
2.0
1.5
2.7 3.0
3.3 3.6 3.9
V_BAT VOLTAGE (V)
4.2 4.5
32101 G13
1x Mode No Load V_BAT Current
vs V_BAT Voltage
800
RM = 33.2k
780 _{RC = 24.3k}
760
740
720
700
680
660
640
620
600
2.7 3.0 3.3 3.6 3.9 4.2 4.5
V_BAT VOLTAGE (V)
32101 G14
1.5x Mode Supply Current
vs I_CPO (IV_BAT – 1.5I_CPO)
20 _{VBAT = 3.6V}
15
10
5
0
0
100 200 300 400 500
LOAD CURRENT (mA)
32101 G15
2x Mode Supply Current
vs I_CPO (IV_BAT – 2I_CPO)
20
V_BAT = 3.6V
15
10
5
0
0
100 200 300 400 500
LOAD CURRENT (mA)
32101 G16
CLED Pin Current
vs CLED Pin Voltage
400 _{VBAT = 3.6V}
360
320
280
240
200
160
120
80
40
0
0
0.2
0.4
0.6
0.8
1
CLED PIN VOLTAGE (V)
32101 G17
32101fd