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LTC3405 Scheda tecnica(PDF) 4 Page - Linear Technology

Il numero della parte LTC3405
Spiegazioni elettronici  Standalone 750mA Li-Ion Battery Charger in 2 x 2 DFN
PDF  16 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LTC3405 Scheda tecnica(HTML) 4 Page - Linear Technology

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4
LTC4065/LTC4065A
4065fb
TYPICAL PERFOR A CE CHARACTERISTICS
Battery Regulation (Float) Voltage
vs Battery Charge Current
IBAT (mA)
0
4.19
4.20
4.21
300
500
4065 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
4065 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
4065 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
Battery Regulation (Float) Voltage
vs Temperature
Regulated Output (Float) Voltage
vs Supply Voltage
Charge Current vs Supply Voltage
(Constant Current Mode)
Charge Current vs Battery Voltage
Charge Current vs Temperature
with Thermal Regulation
(Constant Current Mode)
SUPPLY VOLTAGE (V)
4
0
25
50
75
100
125
150
175
200
4.5
5
5.5
6
4065 G04
RPROG = 10k
VBAT = 3.8V
TA = 25°C
VBAT (V)
0
0
100
200
300
400
500
600
123
4
4065 G05
5
VCC = 5V
TA = 25°C
RPROG = 2k
TEMPERATURE (
°C)
–50
0
100
200
300
400
050
100
150
4065 G06
500
600
THERMAL CONTROL
LOOP IN OPERATION
VCC = 5V
VBAT = 3.8V
RPROG = 2k
PROG Pin Voltage vs Temperature
(Constant Current Mode)
PROG Pin Voltage
vs Charge Current
Power FET On Resistance
vs Temperature
TEMPERATURE (
°C)
–50
1.01
1.02
25
75
4065 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
4065 G08
500
VCC = 5V
TA = 25°C
RPROG = 2k
TEMPERATURE (
°C)
–50
300
350
400
450
500
550
–25
025
50
4065 G09
75
100
VCC = 4V
IBAT = 400mA



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