LTC3210-2 Datasheet, PDF (6/16 Pages) Linear Technology – MAIN/CAM LED Controllers with 32-Step Brightness Control in 3mm × 3mm QFN

LTC3210-2/LTC3210-3
TYPICAL PERFORMANCE CHARACTERISTICS T_A = 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)
321023 G18
MLED Current
vs ENM Strobe Pulses
21
V_BAT = 3.6V
18 ^{RM = 30.1k}
15
12
9
6
3
0
0 28 24 20 16 12 8 4 1
NUMBER OF ENM STROBE PULSES
321023 G20
CLED Current
vs ENC Strobe Pulses
400
V_BAT = 3.6V
350 ^{RC = 24.3k}
300
250
200
150
100
50
0
07
6 54
3 21
NUMBER OF ENC STROBE PULSES
321023 G19
Efficiency vs V_BAT Voltage
90
80
70
60
50
40
30
20
10 ^{300mA LED CURRENT}
(TYP V_F AT 300mA = 3.1V, AOT-2015HPW
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)
321023 G21
321023fa
6