LTC3210
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C unless otherwise stated.
500
400
CLED Pin Dropout Voltage
vs CLED Pin Current
V BAT = 3.6V
100
90
80
MLED Pin Dropout Voltage
vs MLED Pin Current
V BAT = 3.6V
850
840
830
Oscillator Frequency
vs V BAT Voltage
T A = 25°C
70
820
300
200
100
60
50
40
30
20
810
800
790
780
T A = 85°C
T A = –40°C
10
770
0
50
100
150
200
250
300
350
400
0
0
2
4
6 8
10 12 14 16 18 20
760
2.7
3.0
3.3
3.6
3.9
4.2
4.5
CLED PIN CURRENT (mA)
3210 G10
MLED PIN CURRENT (mA)
3210 G11
V BAT VOLTAGE (V)
3210 G12
5.0
4.5
4.0
V BAT Shutdown Current
vs V BAT Voltage
T A = 25°C
800
780
760
740
1x Mode No Load V BAT Current
vs V BAT Voltage
RM = 33.2k
RC = 24.3k
20
15
1.5x Mode Supply Current vs I CPO
(IV BAT – 1.5I CPO )
V BAT = 3.6V
3.5
3.0
T A = –40°C
720
700
680
10
2.5
2.0
T A = 85°C
660
640
620
5
1.5
2.7
3.0
3.3
3.6
3.9
4.2
4.5
600
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)
3210 G13
V BAT VOLTAGE (V)
3210 G14
LOAD CURRENT (mA)
3210 G15
2x Mode Supply Current vs I CPO
(IV BAT – 2I CPO )
CLED Pin Current
vs CLED Pin Voltage
20
15
V BAT = 3.6V
400
360
320
280
V BAT = 3.6V
240
10
5
200
160
120
80
40
0
0
100
200
300
400
500
0
0
0.2
0.4
0.6
0.8
1
LOAD CURRENT (mA)
3210 G16
CLED PIN VOLTAGE (V)
3210 G17
3210fb
 
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