LTC4098EUDC-3.6 查看數據表（PDF） - Linear Technology
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LTC4098EUDC-3.6
Linear Technology
LTC4098EUDC-3.6 Datasheet PDF : 32 Pages
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LTC4098-3.6
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
Battery Drain Current
vs Battery Voltage
30
IVOUT = 0µA
25
VBUS = 0V
20
15
10
VBUS = 5V
5
(SUSPEND MODE)
0
2.7
3.0
3.3
BATTERY VOLTAGE (V)
3.6
409836 G10
PowerPath Switching Regulator
Efficiency vs Output Current
100 BAT = 3.3V
5x, 10x MODE
90
1x MODE
80
70
60
50
40
0.01
0.1
OUTPUT CURRENT (A)
1
409836 G11
Battery Charging Efficiency vs
Battery Voltage with No External
Load (PBAT/PVBUS)
100
RCLPROG = 3.01k
RPROG = 1k
IVOUT = 0mA
90
5x CHARGING
EFFICIENCY
80
1x CHARGING
EFFICIENCY
70
60
2.7
3.0
3.3
BATTERY VOLTAGE (V)
3.6
409836 G12
VBUS Current vs VBUS Voltage
(Suspend Mode—Includes OVP)
100 BAT = 3.3V
IVOUT = 0mA
80
60
40
20
0
1
2
3
4
5
6
VBUS VOLTAGE (V)
409836 G13
VOUT Voltage vs VOUT Current
in Suspend
3.90
SUSPEND HIGH
3.75
3.60
3.45
3.30
SUSPEND LOW
3.15 VBUS = 5V
BAT = 3.3V
RCLPROG = 3.01k
3.00
0
0.5
1.0
1.5
2.0
OUTPUT CURRENT (mA)
2.5
409836 G14
VBUS Current vs VOUT Current
in Suspend (Includes OVP)
2.5
VBUS = 5V
BAT = 3.3V
2.0 RCLPROG = 3.01k
1.5
SUSPEND HIGH
1.0
0.5
SUSPEND LOW
0
0
0.5
1.0
1.5
2.0
2.5
OUTPUT CURRENT (mA)
409836 G15
Automatic Battery Charge Current
vs Output Voltage
120
100
80
60
40
20
0
3.1
3.2
3.3
3.4
3.5
OUTPUT VOLTAGE (V)
409836 G16
6
Battery Charge Current
vs Temperature
600
RPROG = 2k
500
400
THERMAL REGULATION
300
200
100
0
–40 –20
0 20 40 60 80
TEMPERATURE (°C)
100 120
409836 G17
Normalized Battery Charger Float
Voltage vs Temperature
1.003
1.002
1.001
1.000
0.999
0.998
0.997
–40
–15
10
35
60
85
TEMPERATURE (°C)
409836 G18
409836f
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