LTC4063 Просмотр технического описания (PDF) - Linear Technology
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LTC4063
Linear Technology
LTC4063 Datasheet PDF : 20 Pages
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LTC4063
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C unless otherwise noted.
Regulated Output (Float) Voltage
vs Charge Current
4.26
VCC = 5V
4.24 RPROG = 1.25k
4.22
4.20
4.18
4.16
4.14
4.12
4.10
0
100 200 300 400 500 600 700 800
CHARGE CURRENT (mA)
4063 G01
Charge Current
vs PROG Pin Voltage
900
VCC = 5V
800 RPROG = 1.25k
VTIMER = 5V
700
600
500
400
300
200
100
0
0 0.2 0.4 0.6 0.8
VPROG (V)
1.0 1.2
4063 G04
Trickle Charge Current
vs Temperature
90
VCC = 5V
88
VBAT = 2.5V
RPROG = 1.25k
86
84
82
80
78
76
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
4063 G07
Regulated Output (Float) Voltage
vs Temperature
4.215
RPROG = 10k
4.210
4.205
VCC = 8V
4.200
4.195
VCC = 4.3V
4.190
4.185
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4063 G02
Internal Charge Timer
vs Temperature
195
CTIMER = 0.1µF
190
185
VCC = 4.3V
180
175
VCC = 8V
170
165
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
4063 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
4063 G08
4
PROG Pin Voltage vs Temperature
(Constant-Current Mode)
1.006
RPROG = 10k
1.004
1.002
1.000
0.998
VCC = 8V
VCC = 4.3V
0.996
0.994
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4063 G03
CHRG Pin I-V Curve
35
VCC = 5V
30 VBAT = 4V
25
20
TA = –40°C
TA = 25°C
TA = 90°C
15
10
5
0
01234567
VCHRG (V)
4063 G06
Charge Current vs Battery Voltage
1000
800
600
400
200
VCC = 5V
RPROG = 1.25k
θJA = 40°C/W
0
2.7 3 3.3 3.6 3.9 4.2 4.5
VBAT (V)
4063 G09
4063fb
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