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LTC4069 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4069
Description  Standalone 750mA Li-Ion Battery Charger in 2 2 DFN with NTC Thermistor Input
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4069 Datasheet(HTML) 4 Page - Linear Technology

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LTC4069
4
4069fc
For more information www.linear.com/LTC4069
Typical perForMance characTerisTics
Charge Current vs Supply Voltage
(Constant-Current Mode)
Charge Current vs Battery Voltage
Charge Current vs Ambient
Temperature with Thermal
Regulation (Constant-Current Mode)
PROG Pin Voltage vs Temperature
(Constant-Current Mode)
PROG Pin Voltage
vs Charge Current
Power FET On-Resistance
vs Temperature
Battery Regulation (Float) Voltage
vs Battery Charge Current
Battery Regulation (Float) Voltage
vs Temperature
Battery Regulation (Float) Voltage
vs Supply Voltage
IBAT (mA)
0
4.19
4.20
4.21
300
500
4069 G01
4.18
4.17
4.16
100
200
400
4.22
4.23
4.24
VCC = 5V
TA = 25°C
RPROG = 2k
TEMPERATURE (°C)
–50
4.23
25
4069 G02
4.20
4.18
–25
0
50
4.17
4.16
4.24
4.22
4.21
4.19
75
100
SUPPLY VOLTAGE (V)
4
4.20
4.21
4.22
6
4069 G03
4.19
4.18
4.16
4.5
5
5.5
4.17
4.24
4.23
TA = 25°C
IBAT = 2mA
RPROG = 2k
SUPPLY VOLTAGE (V)
4
0
25
50
75
100
125
150
175
200
4.5
5
5.5
6
4069 G04
RPROG = 10k
VBAT = 3.8V
TA = 25°C
VBAT (V)
0
0
100
200
300
400
500
600
1
2
3
4
4069 G05
5
VCC = 5V
TA = 25°C
RPROG = 2k
TEMPERATURE (°C)
–50
0
100
200
300
400
0
50
100
150
4069 G06
500
600
THERMAL CONTROL
LOOP IN OPERATION
VCC = 5V
VBAT = 3.8V
RPROG = 2k
TEMPERATURE (°C)
–50
1.01
1.02
25
75
4069 G07
1.00
–25
0
50
100
0.99
0.98
VCC = 5V
VBAT = 3.8V
RPROG = 10k
IBAT (mA)
0
0
0.2
0.4
0.6
0.8
1.0
1.2
100
200
300
400
4069 G08
500
VCC = 5V
TA = 25°C
RPROG = 2k
TEMPERATURE (°C)
–50
300
350
400
450
500
550
–25
0
25
50
4069 G09
75
100
VCC = 4V
IBAT = 400mA


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