lt3650-4.1 Linear Technology Corporation, lt3650-4.1 Datasheet - Page 5

• Manufacturer Part Number: lt3650-4.1
• Description: High Voltage 2 Amp Monolithic Li-ion Battery Charger
• Manufacturer: Linear Technology Corporation

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