LTC4124 查看數據表（PDF） - Analog Devices
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LTC4124 Datasheet PDF : 30 Pages
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LTC4124
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
VCC Supply Quiescent Current vs
Temperature
180
160
140
120
100
80
60
40
20
0
–20 –5
VIN = 5.5V, VBAT = 4.5V
VIN = 2.7V, VBAT = 2.7V
10 25 40 55
TEMPERATURE (°C)
70 85
4124 G01
Battery Charge Voltage vs
Temperature
100.20
VCC = 4.5V TO 5.5V
100.15
100.10
100.05
100.00
99.95
99.90
99.85
99.80
–20 –5
10 25 40 55
TEMPERATURE (°C)
70 85
4124 G03
Battery Charge Current vs
Battery Charge Voltage
100
90
80
70
60
50
40
30
20
10
0
50 60 70 80 90 100 110
BATTERY VOLTAGE
(% OF FINAL CHARGE VOLTAGE) 4124 G02
Normalized Battery Charge
Current vs Temperature
102.5
10.25
102.0
10.20
101.5
10.15
101.0
10.10
100.5
10.05
100.0
10.00
99.5
9.95
99.0
9.90
98.5
98.0
97.5
–20 –5
9.85
VCC = 5V, VBAT = 3.7V 9.80
VCC = 5V, VBAT = 2.7V
9.75
10 25 40 55 70 85
TEMPERATURE (°C)
4124 G04
Undervoltage Current Limit:
Charge Current vs VCC Voltage
100
VCC > VBAT-TRKL
90
VCC ≤ VBAT-TRKL,
80
VPRECHG = VCC
70
60
50
40
30
20
10
0
3.40 3.45 3.50 3.55 3.60 3.65 3.70
VCC VOLTAGE (V)
4124 G05
Disconnect Battery Leakage
Current vs Temperature
50
40
30
20
10
0
–10
–20
–30
–40
–50
–20 –5
VLBSEL = VCC/GND,
VBAT = 3.2V/2.7V
10 25 40 55
TEMPERATURE (°C)
70 85
4124 G06
VCC HIGH and LOW Limits above
VBAT vs Temperature
1.5
1.4
1.2
1.1
0.9
0.8
0.6
0.5
0.3
0.2
0
–20 –5
∆VCC(HIGH)
∆VCC(LOW)
10 25 40 55
TEMPERATURE (°C)
70 85
4124 G07
Rev. A
For more information www.analog.com
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