LTC4078EDD-TRPBF 查看數據表（PDF） - Linear Technology
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LTC4078EDD-TRPBF Datasheet PDF : 16 Pages
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LTC4078/LTC4078X
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise specified.
Charge Current
vs Ambient Temperature
1000
900
RIDC = 1.24k
800
700
600
RIDC = RIUSB = 2k
500
400
300
200 VDCIN = VUSBIN = 5V
100 VBAT = 4V
θJA = 30°C/W
0
–10 10 30 50 70 90
TEMPERATURE (°C)
110 130
4078x G10
DCIN Power FET On-Resistance
vs Temperature
800
VBAT = 4V
IBAT = 200mA
750
700
650
600
550
500
–10
10
30
50
70
90
TEMPERATURE (°C)
4078x G13
USBIN Shutdown Current
vs Temperature
60
VENABLE = 0V
55
50
VUSBIN = 5V
45
40
35
VUSBIN = 4.3V
30
25
20
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
4078x G16
Charge Current
vs Supply Voltage
900
800
700
600
500
400
300
200
RIDC = 1.24k
100
VBAT = 4V
θJA = 30°C/W
0
4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0
VDCIN (V)
4078x G11
USBIN Power FET On-Resistance
vs Temperature
900
VBAT = 4V
IBAT = 200mA
850
800
750
700
650
600
–10
10
30
50
70
90
TEMPERATURE (°C)
4078x G14
DCIN Shutdown Current
vs Temperature
60
VENABLE = 5V
55
50
VDCIN = 5V
45
40
35
30
VDCIN = 4.3V
25
20
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
4078x G17
Charge Current vs Battery Voltage
1000
800
600
400
200 VDCIN = VUSBIN = 5V
RIDC = 1.24k
θJA = 30°C/W
0
2.4 2.7 3.0 3.3 3.6 3.9 4.2 4.5
VBAT (V)
4078x G12
ENABLE Pin Threshold Voltage
(On-to-Off) vs Temperature
1000
VDCIN = VUSBIN = 5V
980
960
940
920
900
880
860
–10
10
30
50
70
90
TEMPERATURE (°C)
4078x G15
ENABLE Pin Pulldown Resistance
vs Temperature
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
4078x G18
4078xfb
5
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