LTC4076EDD 查看數據表（PDF） - Linear Technology
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LTC4076EDD Datasheet PDF : 16 Pages
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LTC4076
TYPICAL PERFOR A CE CHARACTERISTICS
USBIN Shutdown Current vs
Temperature
45
40
35
VUSBIN = 8V
30
25
20 VUSBIN = 5V
15
10 VUSBIN = 4.3V
5
0
–50 –25
EN = 5V
0 25 50 75 100
TEMPERATURE (°C)
4076 G17
EN Pin Pulldown Resistance vs
Temperature
2.8
2.6
2.4
2.2
2.0
1.8
1.6
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
4076 G18
HPWR Pin Pulldown Resistance
vs Temperature
2.8
2.6
2.4
2.2
2.0
1.8
1.6
–50 –25
0 25 50
TEMPERATURE (°C)
75 100
4076 G19
Undervoltage Lockout Threshold
vs Temperature
4.30
Recharge Threshold Voltage
vs Temperature
4.16
4.25
DCIN UVLO
4.20
4.15
4.10
4.05
USBIN UVLO
4.00
3.95
4.14
4.12
VDCIN = VUSBIN = 4.3V
4.10
VDCIN = VUSBIN = 8V
4.08
4.06
3.90
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
4076 G20
4.04
–50
–25 0 25 50
TEMPERATURE (°C)
75 100
4076 G21
Battery Drain Current
vs Temperature
5
VBAT = 4.2V
VDCIN, VUSBIN (OPEN)
4
3
Charge Current at Turn-On and
Turn-Off
IBAT
500mA/DIV
2
1
EN
5V/DIV
0
–1
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4076 G22
VDCIN = 5V
RIDC = 1.25k
100 s/DIV
4076 G23
4076fa
6
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