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LTC4098-1 датащи(PDF) 6 Page - Linear Technology

номер детали LTC4098-1
подробное описание детали  USB Compatible Switching Power Managers/Li-Ion Chargers with Overvoltage Protection
PDF  32 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC4098-1 датащи(HTML) 6 Page - Linear Technology

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LTC4098/LTC4098-1
6
40981fb
Battery Charge Current
vs Temperature
Normalized Battery Charger Float
Voltage vs Temperature
VOUT Voltage vs VOUT Current
in Suspend
VBUS Current vs VOUT Current
in Suspend
Automatic Battery Charge
Current Reduction
OUTPUT CURRENT (mA)
0
4.0
4.5
5.0
2
40981 G14
3.5
3.0
2.5
0.5
1
1.5
2.5
SUSPEND HIGH
SUSPEND LOW
VBUS = 5V
BAT = 3.3V
RCLPROG = 3.01k
OUTPUT CURRENT (mA)
0
1.5
2.0
2.5
2
40981 G15
1.0
0.5
0
0.5
1
1.5
2.5
SUSPEND HIGH
SUSPEND LOW
VBUS = 5V
BAT = 3.3V
RCLPROG = 3.01k
TEMPERATURE (°C)
–40
0
100
200
300
400
040
80
120
40981 G17
500
600
–20
20
60
100
THERMAL REGULATION
RPROG = 2k
TEMPERATURE (°C)
–40
60
40981 G18
0.997
–15
10
35
85
1.003
1.002
1.001
1.000
0.999
0.998
VOUT (V)
0
20
40
60
80
100
120
3.2
3.3
3.4
3.5
40981 G16
3.6
Battery Charging Efficiency vs
Battery Voltage with No External
Load (PBAT/PVBUS)
VBUS Current vs VBUS Voltage
(Suspend)
BATTERY VOLTAGE (V)
2.7
80
90
3.9
40981 G12
70
60
3.0
3.3
3.6
4.2
100
RCLPROG = 3.01k
RPROG = 1k
IVOUT = 0mA
LTC4098
1x CHARGING
EFFICIENCY
5x CHARGING
EFFICIENCY
VBUS VOLTAGE (V)
1
30
40
50
5
40981 G13
20
10
0
2
3
4
6
BAT = 3.8V
IVOUT = 0mA
TA = 25°C unless otherwise noted.
TYPICAL PERFORMANCE CHARACTERISTICS
PowerPath Switching Regulator
Efficiency vs Output Current
Battery Drain Current
vs Battery Voltage
BATTERY VOLTAGE (V)
2.7
0
5
10
15
20
25
30
3.0
3.3
3.6
3.9
40981 G10
4.2
VBUS = 0V
VBUS = 5V
(SUSPEND MODE)
IVOUT = 0μA
OUTPUT CURRENT (A)
0.01
40
50
60
70
80
100
0.1
1
40981 G11
90
5x, 10x MODE
1x MODE
BAT = 3.8V



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