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.
Internal Charge Timer vs
Temperature
195
190
VCC = 4.5V
185
VCC = 8V
180
175
170
165
–50 –25 0
CTIMER = 0.1µF
25 50 75 100
TEMPERATURE (°C)
40614.4 G10
Charge Current vs Ambient
Temperature with Thermal
Regulation
1000
800
ONSET OF THERMAL
REGULATION
RPROG = 1.25k
600
RPROG = 2k
400
200
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
40614.4 G13
Power FET “ON” Resistance vs
Temperature
500
VCC = 4V
IBAT = 200mA
450
400
350
300
250
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
40614.4 G16
NTC Fault Pulsing Frequency
vs VCC
1.60
CTIMER = 0.1µF
1.55
1.50
1.45
1.40
1.35
1.30
4.0
4.5 5.0
5.5 6.0 6.5
VCC (V)
7.0 7.5 8.0
40614.4 G11
Charge Current vs Supply Voltage
104 VCC = 5V
VBAT = 4V
C/5 = 5V
102 RPROG = 10k
100
98
96
4.0
4.5 5.0
5.5 6.0 6.5
VCC (V)
7.0 7.5 8.0
40614.4 G14
Undervoltage Lockout Voltage vs
Temperature
3.900
3.875
3.850
3.825
3.800
3.775
3.750
3.725
3.700
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
40614.4 G17
NTC Fault Pulsing Frequency
vs Temperature
1.7
CTIMER = 0.1µF
1.6
VCC = 8V
1.5
VCC = 4.5V
1.4
1.3
1.2
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
40614.4 G12
Recharge Threshold Voltage vs
Temperature
4.36
4.34
4.32
4.30
VCC = 8V
4.28
VCC = 4.5V
4.26
4.24
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
40614.4 G15
Charge Current vs Battery Voltage
900
800
700
600
500
400
300
200
100
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
VBAT (V)
40614.4 G18
406144fb
5
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