LTC3210-1_15 Datasheet, PDF (6/16 Pages) Linear Technology – MAIN/CAM LED Controller with 64-Step Brightness Control in 3mm 3mm QFN

LTC3210-1
T ypical Pe rforma nce Char acteristics _{TA = 25°C, unless otherwise stated.}
MLED Pin Current
vs MLED Pin Voltage
22
20 ^{VBAT = 3.6V}
18
16
14
12
10
8
6
4
2
0
0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20
MLED PIN VOLTAGE (V)
32101 G18
MLED Current
vs ENM Strobe Pulses
20
18
V_BAT = 3.6V
RM = 33.2k
16
14
12
10
8
6
4
2
0
0 57 50 43 36 29 22 15 8 1
NUMBER OF ENM STROBE PULSES
32101 G20
CLED Current
vs ENC Strobe Pulses
400 _{VBAT = 3.6V}
350 ^{RC = 24.3k}
300
250
200
150
100
50
0
07
6 54
3 21
NUMBER OF ENC STROBE PULSES
32101 G19
Efficiency vs V_BAT Voltage
90
80
70
60
50
40
30
20
300mA LED CURRENT
10 (TYP VF AT 300mA = 3.1V, AOT-2015HPW
T_A = 25°C
0
2.9 3.05 3.2 3.35 3.5 3.65 3.8 3.95 4.1 4.25 4.4
V_BAT (V)
32101 G21
32101fd