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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
2x Mode CPO Voltage
vs Load Current
DV CC Shutdown Current
vs DV CC Voltage
3.8
3.6
V BAT = 3V
V CPO = 4.8V
C2 = C3 = C4 = 2.2 μ F
5.2
5.1
5.0
C2 = C3 = C4 = 2.2 μ F
3.4V
3.5V
0.7
0.6
V BAT = 3.6V
T A = –40 ° C
3.4
3.2
3.0
2.8
4.9
4.8
4.7
4.6
4.5
4.4
3.3V
3.2V
3.1V
V BAT = 3V
0.5
0.4
0.3
0.2
0.1
T A = 85 ° C
T A = 25 ° C
4.3
2.6
–40
–15
10 35
TEMPERATURE ( ° C)
60
85
4.2
0
100
200 300
LOAD CURRENT (mA)
400
500
0
2.7
3
3.3 3.6 3.9
DV CC VOLTAGE (V)
4.2
4.5
V BAT Shutdown Current
vs V BAT Voltage
3209 G08
3209 G09
1x Mode No Load V BAT Current
vs V BAT Voltage
1.5x Mode Supply Current
vs I CPO (I VBAT –1.5I CPO )
3209 G11
5.5
5.0
4.5
4.0
DV CC = 3V
T A = 85 ° C
400
380
360
340
320
30
20
V BAT = 3.6V
3.5
3.0
T A = 25 ° C
T A = –40 ° C
300
280
260
10
2.5
2.0
240
220
1.5
2.7
3
3.3
3.6
3.9
4.2
4.5
200
2.7
3.0
3.3
3.6 3.9
4.2
4.5
0
0
100
200 300 400
500
V BAT VOLTAGE (V)
2x Mode Supply Current
vs I CPO (I VBAT –2I CPO )
3209 G12
V BAT VOLTAGE (V)
LTC3209-1 CAM Pin Current
vs CAM Pin Voltage
3209 G13
LOAD CURRENT (mA)
LTC3209-1 CAM Pin Current
vs Input Code
3209 G14
25
V BAT = 3.6V
400
V BAT = 3.6V
400
360
V BAT = 3.6V
20
300
320
280
15
10
200
240
200
160
120
5
100
80
40
0
0
100
200
300
400
500
0
0
0.2
0.4
0.6
0.8
1.0
0
0 1 2 3 4 5 6 7 8 9 A B C D E F
LOAD CURRENT (mA)
3209 G15
CAM PIN VOLTAGE (V)
3209 G22
HEX CODE
3209 G23
320912fa
5
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