LTC4063 查看數據表（PDF） - Linear Technology
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LTC4063
Linear Technology
LTC4063 Datasheet PDF : 20 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
Charge Current
vs Ambient Temperature
1000
ONSET OF THERMAL
REGULATION
800
RPROG = 1.25k
600
RPROG = 2k
400
200 VCC = 5V
VBAT = 4V
θJA = 40°C/W
0
–50 –25 0 25 50 75
TEMPERATURE (°C)
100 125
4063 G10
Power FET On Resistance
vs Temperature
650
VBAT = 4V
IBAT = 200mA
600 RPROG = 1.25k
550
500
450
400
350
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4063 G13
CHGEN Pin Pull-Down Resistance
vs Temperature
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
4063 G16
Charge Current vs Supply Voltage
900
RPROG = 1.25k
VBAT = 3.3V
800
θJA = 35°C/W
TA = 25°C
700
ONSET OF THERMAL
REGULATION
600
500
400
300
4 4.5 5 5.5 6 6.5 7 7.5 8
VCC (V)
4063 G11
Shutdown Current vs Temperature
70
CHGEN = VCC
LDOEN = 0V
60
VCC = 8V
50
40
VCC = 5V
30
VCC = 4.3V
20
10
0
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
4063 G14
FB Pin Regulated Voltage
vs Output Current
803
VBAT = 4.2V
802
801
800
799
TA = –40°C
798
TA = 25°C
TA = 90°C
TA = 115°C
797
0
20 40 60 80 100 120
IOUT (mA)
4063 G17
LTC4063
Recharge Threshold Voltage
vs Temperature
4.16
4.14
4.12
VCC = 4.3V
4.10
VCC = 8V
4.08
4.06
4.04
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4063 G12
CHGEN Pin Threshold Voltage
(On-to-Off) vs Temperature
900
VCC = 5V
850
800
750
700
650
600
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4063 G15
FB Pin Regulated Voltage
vs Temperature
803
ILOAD = 1mA
802
801
VBAT = 4.2V
800
799
VBAT = 2.65V
798
797
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4063 G18
4063fb
5
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