LTC4061-4.4 데이터 시트보기 (PDF) - Linear Technology
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LTC4061-4.4 Datasheet PDF : 20 Pages
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LTC4061-4.4
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted.
Battery Regulated Output (Float)
Voltage vs Charge Current
4.42
VCC = 5V
4.40
RPROG = 1k
4.38
4.36
4.34
4.32
4.30
4.28
4.26
0
200 400 600 800
CHARGE CURRENT (mA)
1000
40614.4 G01
Charge Current vs PROG Pin
Voltage
1200
1000
VCC = 5V
RPROG = 1k
C/5 = 5V
VTIMER = 5V
800
600
400
200
0
0 0.2 0.4 0.6 0.8 1.0 1.2
VPROG (V)
40614.4 G04
Trickle Charge Current vs
Temperature
84
VCC = 5V
VBAT = 2.5V
RPROG = 1.25k
82
80
78
76
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
40614.4 G07
Battery Regulated Output (Float)
Voltage vs Temperature
4.390
4.385
VCC = 5V
RPROG = 10k
4.380
4.375
4.370
4.365
4.360
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
40614.4 G02
PROG Pin Voltage vs Temperature
(Constant-Current Mode)
1.006
1.004
RPROG = 10k
C/5 = VCC
1.002
1.000
0.998
VCC = 8V
VCC = 4.5V
0.996
0.994
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
40614.4 G05
Trickle Charge Threshold Voltage
vs Temperature
2.96
VCC = 5V
RPROG = 1.25k
2.94
2.92
2.90
2.88
2.86
2.84
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
40614.4 G08
4
Battery Regulated Output (Float)
Voltage vs Supply Voltage
4.42
4.40
4.38
4.36
4.34
4.32
4.30
RPROG = 1k
4.28 TA = 25°C
IBAT = 10mA
4.26
4.0 4.5 5.0 5.5 6.0 6.5
VCC (V)
7.0 7.5 8.0
40614.4 G03
PROG Pin Voltage vs VCC
(Constant-Current Mode)
1.006
1.004
VCC = 5V
VBAT = 4V
RPROG = 10k
C/5 = 5V
1.002
1.000
0.998
0.996
0.994
4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0
VCC (V)
40614.4 G06
Charge Current vs Battery Voltage
550
C/5 = 5V
450
350
250
150
C/5 = 0V
50
3.0 3.2
VCC = 5V
RPROG = 2k
3.4
3.6
VBAT (V)
3.8 4.0
40614.4 G09
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