LTC4064 查看數據表（PDF） - Linear Technology
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LTC4064 Datasheet PDF : 16 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LTC4064
PROG Pin Voltage
vs Charge Current
1.6
VCC = 5V
1.4 TA = 25°C
RPROG = 3k
1.2
1.0
0.8
0.6
0.4
0.2
0
0 50 100 150 200 250 300 350 400 450 500
CHARGE CURRENT (mA)
4064 G10
PROG Pin Voltage vs VCC
Constant Current Mode
1.515
1.510
VBAT = 3.5V
TA = 25°C
RPROG = 3k
1.505
1.500
1.495
1.490
1.485
4 4.5 5 5.5 6
VCC (V)
6.5 7
4064 G11
PROG Pin Voltage vs Temperature
Constant Current Mode
1.515
1.510
VCC = 5V
VBAT = 4V
RPROG = 3k
1.505
1.500
1.495
1.490
1.485
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4064 G12
Trickle Charge Current
vs Temperature
12
VBAT = 2V
TA = 25°C
11 RPROG = 3k
10
9
8
7
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4064 G13
CHRG Pin Weak Pull-Down
Current vs Temperature
35
VCC = 5V
34 IBAT < C/10
33
32
31
30
29
28
27
26
25
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
4064 G14
CHRG Pin Output Low Voltage
vs Temperature
0.6
VCC = 5V
ICHRG = 5mA
0.5
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4064 G15
Timer Error vs Temperature
5
VCC = 5V
4 CTIMER = 0.1µF
3
2
1
0
–1
–2
–3
–4
–5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4064 G16
Timer Error vs VCC
5
TA = 25°C
4 CTIMER = 0.1µF
3
2
1
0
–1
–2
–3
–4
–5
4 4.5 5 5.5 6
VCC (V)
6.5 7
4064 G17
sn4064 4064fs
5
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