LTC3209-1 Datasheet, PDF (5/20 Pages) Linear Technology – 600mA Main/Camera LED Controller

LTC3209-1/LTC3209-2
TYPICAL PERFOR A CE CHARACTERISTICS T_A = 25°C unless otherwise noted
2x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
(2V_BAT–V_CPO)/I_CPO
3.8
V_BAT = 3V
V_CPO = 4.8V
3.6 C2 = C3 = C4 = 2.2µF
3.4
3.2
3.0
2.8
2.6
–40
–15
10
35
60
85
TEMPERATURE (°C)
3209 G08
V_BAT Shutdown Current
vs V_BAT Voltage
5.5
DV_CC = 3V
5.0
4.5
T_A = 85°C
4.0
3.5
T_A = 25°C
3.0
T_A = –40°C
2.5
2.0
1.5
2.7 3
3.3 3.6 3.9
V_BAT VOLTAGE (V)
4.2 4.5
3209 G12
2x Mode Supply Current
vs I_CPO (I_VBAT–2I_CPO)
25
V_BAT = 3.6V
20
15
10
5
0
0
100 200 300 400 500
LOAD CURRENT (mA)
3209 G15
2x Mode CPO Voltage
vs Load Current
5.2
C2 = C3 = C4 = 2.2µF
5.1
5.0
3.4V
3.5V
4.9
4.8
3.3V
4.7
3.2V
4.6
3.1V
4.5
V_BAT = 3V
4.4
4.3
4.2
0
100 200 300 400 500
LOAD CURRENT (mA)
3209 G09
1x Mode No Load V_BAT Current
vs V_BAT Voltage
400
380
360
340
320
300
280
260
240
220
200
2.7 3.0 3.3 3.6 3.9 4.2 4.5
V_BAT VOLTAGE (V)
3209 G13
LTC3209-1 CAM Pin Current
vs CAM Pin Voltage
400
V_BAT = 3.6V
300
200
100
0
0
0.2
0.4
0.6
0.8
1.0
CAM PIN VOLTAGE (V)
3209 G22
DV_CC Shutdown Current
vs DV_CC Voltage
0.7
V_BAT = 3.6V
0.6
T_A = –40°C
0.5
T_A = 85°C
0.4
0.3
T_A = 25°C
0.2
0.1
0
2.7 3
3.3 3.6 3.9
DV_CC VOLTAGE (V)
4.2 4.5
3209 G11
1.5x Mode Supply Current
vs I_CPO (I_VBAT–1.5I_CPO)
30
V_BAT = 3.6V
20
10
0
0
100 200 300 400 500
LOAD CURRENT (mA)
3209 G14
LTC3209-1 CAM Pin Current
vs Input Code
400
V_BAT = 3.6V
360
320
280
240
200
160
120
80
40
0
0123456789ABCDE F
HEX CODE
3209 G23
320912fa
5