LTC3209-2 Linear Technology, LTC3209-2 Datasheet - Page 6

• Manufacturer Part Number: LTC3209-2
• Description: 600mA Main/Camera LED Controller
• Manufacturer: Linear Technology

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6
LTC3209-1/LTC3209-2
TYPICAL PERFOR A CE CHARACTERISTICS
400
360
320
280
220
200
160
120
400
360
320
280
220
200
160
120
200
180
160
140
120
100
80
60
80
40
80
40
40
20
0
0
0
0
0
0
LTC3209-1 CAM Pin Dropout
Voltage vs CAM Pin Current
LTC3209-2 CAM Pin Dropout
Voltage vs CAM Pin Current
MAIN Pin Dropout Voltage
vs MAIN Pin Current
V
V
V
BAT
BAT
BAT
= 3.6V
= 3.6V
= 3.6V
5
100
MAIN PIN CURRENT (mA)
50
CAM PIN CURRENT (mA)
CAM PIN CURRENT (mA)
10
200
100
15
20
300
150
W
25
3209 G24
3209 G24
3209 G27
U
400
200
30
200
160
120
40
30
25
20
15
10
80
16
14
12
10
0
5
0
8
6
4
0
2
0
0
0
MAIN Pin Current
vs MAIN Pin Voltage
LTC3209-2 CAM Pin Current
vs CAM Pin Voltage
AUX Pin Current vs Input Code
V
V
V
BAT
BAT
AUX
= 3.6V
= 3.6V
= 1V
0.2
0.2
MAIN PIN VOLTAGE (V)
CAM PIN VOLTAGE (V)
1
0.4
0.4
HEX CODE
0.6
0.6
2
V
BAT
0.8
0.8
= 3.6V
T
A
3209 G16
3209 G26
3209 G20
= 25°C unless otherwise noted
1.0
1.0
3
100
200
180
160
140
120
100
28
26
24
22
20
18
16
14
12
10
90
80
70
60
50
40
30
20
10
80
60
40
20
8
6
4
2
0
0
0
3.0
0 10
MAIN Pin Current vs Input Code
0 1
LTC3209-2 CAM Pin Current
vs Input Code
6-LED MAIN Display Efficiency
vs V
V
6 LEDS AT 15mA/LED
(TYP V
V
BAT
BAT
20 30 40
3.2
2 3 4
BAT
= 3.6V
= 3.6V
F
AT 15mA = 3.2V)
3.4
50 60 70 80 90 A0 B0 C0D0 E0 F0 FF
5 6 7 8 9 A B C D E F
HEX CODE
3.6
HEX CODE
V
BAT
3.8
(V)
4.0
4.2
320912fa
3209 G17
3209 G21
3209 G17
4.4