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LTC4066EPFPBF View Datasheet(PDF) - Linear Technology

Part Name
Description
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LTC4066EPFPBF Datasheet PDF : 0 Pages
LTC4066/LTC4066-1
TYPICAL PERFORMANCE CHARACTERISTICS
Regulated Output Voltage–
Recharge Threshold Voltage
vs Temperature
120
VIN = 5V
115
110
105
100
95
90
85
80
–50 –25 0
25 50 75 100
TEMPERATURE (°C)
4066 G10
Charging from USB, IBAT vs VBAT
(LTC4066)
600
VIN = 5V
VOUT = NO LOAD
500 RPROG = 100k
RCLPROG = 2k
HPWR = 5V
400 TA = 25°C
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)
4066 G13
Charge Current vs Temperature
(Thermal Regulation)
1000
RPROG = 50k
750
500
RPROG = 100k
250
VIN = 5V
VBAT = 3.5V
QJA = 43°C/W
0
–50 –25 0 25 50 75
TEMPERATURE (°C)
100 125
4066 G16
6
Input RON vs Temperature
225
ILOAD = 400mA
200
VIN = 4.5V
VIN = 5V
175
VIN = 5.5V
150
Battery Current and Voltage
vs Time (LTC4066)
600
6
500
5
400
4
300
3
125
100
75
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
4066 G11
Charging from USB, Low Power,
IBAT vs VBAT (LTC4066)
120
VIN = 5V
VOUT = NO LOAD
100 RPROG = 100k
RCLPROG = 2k
HPWR = 0V
80 TA = 25°C
60
40
200
400mAhr CELL
100
VIN = 5V
TA = 25°C
RPROG = 105k
0
0
50
100
TIME (MINUTES)
2
1
0
150
4066 G12
Undervoltage Current Limit
IBAT vs VOUT
1500
1250
TA = 25°C
WALL = 2V
VBAT = 3.5V
1000
750
500
RPROG = 34k
RPROG = 50k
20
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
VBAT (V)
4066 G14
250
0
4.00 4.10
RPROG = 100k
4.20 4.30
VOUT (V)
4.40 4.50
4066 G15
Ideal Diode Current vs Forward
Voltage and Temperature
4.0
VBAT = 3.7V
3.5 VIN = 0V
25°C
3.0
0°C
125°C
2.5
–50°C
75°C
2.0
1.5
1.0
0.5
Ideal Diode Resistance and
Current vs Forward Voltage
4.5
225
VBAT = 3.5V
4.0 VIN = 0V
200
TA = 25°C
3.5
175
3.0
150
2.5
125
2.0
100
1.5
75
RDIO(ON)
1.0
50
RFWD
0.5
25
0
0 20 40 60 80 100 120 140 160 180 200
VFWD (mV)
4066 G17
0
0
0 20 40 60 80 100 120 140 160 180 200
VFWD (mV)
4066 G18
4066fc
 

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