LT3468 Ver la hoja de datos (PDF) - Linear Technology
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LT3468 Datasheet PDF : 12 Pages
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LT3468/LT3468-1/LT3468-2
TYPICAL PERFOR A CE CHARACTERISTICS LT3468 curves use the circuit of Figure 6, LT3468-1
curves use the circuit of Figure 7 and LT3468-2 use the circuit of Figure 8 unless otherwise noted.
LT3468 Charging Waveform
VIN = 3.6V
COUT = 100µF
LT3468-1 Charging Waveform
VIN = 3.6V
COUT = 50µF
LT3468-2 Charging Waveform
VIN = 3.6V
COUT = 100µF
VOUT
50V/DIV
VOUT
50V/DIV
AVERAGE
INPUT
CURRENT
1A/DIV
1s/DIV
3468 G01
VOUT
50V/DIV
AVERAGE
INPUT
CURRENT
0.5A/DIV
1s/DIV
3468 G02
AVERAGE
INPUT
CURRENT
0.5A/DIV
1s/DIV
3468 G03
LT3468 Charge Time
10 TA = 25°C
9
8
7
6
5
4
COUT = 100µF
3
2
1 COUT = 50µF
0
234567
VIN (V)
89
3468 G04
LT3468 Input Current
800 TA = 25°C
600
VIN = 2.8V
400
VIN = 4.2V
VIN = 3.6V
200
LT3468-1 Charge Time
10 TA = 25°C
9
8
7
6
5
COUT = 50µF
4
3
2
1
COUT = 20µF
0
234567
VIN (V)
89
3468 G05
LT3468-1 Input Current
400 TA = 25°C
300
VIN = 2.8V
200
VIN = 4.2V
VIN = 3.6V
100
LT3468-2 Charge Time
10
TA = 25°C
9
8
7
6
5
COUT = 100µF
4
3
2
COUT = 50µF
1
0
23 4 5 6 7
VIN (V)
89
3468 G06
LT3468-2 Input Current
600 TA = 25°C
450
VIN = 2.8V
VIN = 4.2V
300
VIN = 3.6V
150
0
0 50 100 150 200 250 300
VOUT (V)
3468 G07
0
0 50 100 150 200 250 300
VOUT (V)
3468 G08
0
0 50 100 150 200 250 300
VOUT (V)
3468 G09
346812f
3
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