LT3650 Просмотр технического описания (PDF) - Linear Technology
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LT3650 Datasheet PDF : 20 Pages
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LT3650-4.1/LT3650-4.2
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
Switch Drive (ISW/IBOOST)
vs ISW
36
33
30
27
24
21
18
15
12
9
6
3
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
ISW (A)
365042 G04
Switch Forward Drop (VIN – VSW)
vs Temperature
480
ISW = 2A
460
440
420
400
380
360
340
320
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
365042 G05
CC/CV Charging; SENSE Pin Bias
Current vs VSENSE
100
LT3650-4.2
50
0
–50
–100
–150
–200
–250
–300
–350
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
VSENSE (V)
365042 G06
C/10 Threshold (VSENSE – VBAT)
vs Temperature
12
11
10
9
8
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
365042 G07
CLP Input Limit Threshold
(VCLP – VIN) vs Temperature,
ICHG at 50%
51.0
50.8
50.6
50.4
50.2
50.0
49.8
49.6
49.4
49.2
49.0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
365042 G08
IMAX Current Limit (VSENSE – VBAT)
vs Temperature
101.0
VBAT = 3.5V
100.8
100.6
100.4
100.2
100.0
99.8
99.6
99.4
99.2
99.0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
365042 G09
Thermal Foldback – IMAX
Current Limit (VSENSE – VBAT)
vs Temperature
120
100
80
60
40
20
0
25 35 45 55 65 75 85 95 105 115 125 135
TEMPERATURE (°C)
365042 G10
CC/CV Charging; BAT Pin Bias
Current vs VBAT
2.2
2.0 LT3650-4.2
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
–0.2
–0.4
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
VBAT (V)
365042 G11
36504142fb
5
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