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LTC4070 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4070
Description  Li-Ion/Polymer Shunt Battery Charger System
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4070 Datasheet(HTML) 4 Page - Linear Technology

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LTC4070
4
4070f
TYPICAL PERFORMANCE CHARACTERISTICS
ICCQ vs Temperature (ADJ = VCC)
VHBTH VCC Rising vs Temperature
(ADJ = VCC)
VFLOAT vs Temperature, ICC = 1mA
VFLOAT vs NTC Temperature,
ICC = 1mA
VLBTH VCC Falling vs Temperature
VLBHY vs Temperature
Battery Discharge ICC vs VCC
Load Regulation
ΔVFLOAT vs ICC
TA = 25°C, unless otherwise noted.
VHBHY vs Temperature
(ADJ = VCC)
VCC (V)
1000
900
700
800
600
500
400
300
200
100
0
1
0
2
4070 G01
34
FALLING
ADJ = GND
RISING
ICC (mA)
10
9
7
8
6
5
4
3
2
1
0
10
0
20
30
4070 G02
40
50
60
TEMPERATURE (°C)
4.30
4.25
4.15
4.20
4.10
4.05
4.00
3.95
3.90
–25
–50
25
50
0
4070 G03
75
100
125
ADJ = VCC
ADJ = FLOAT
ADJ = GND
NO NTC
TEMPERATURE (°C)
1000
900
700
800
600
500
400
300
200
100
0
–25
–50
25
50
0
4070 G04
75
100
125
TEMPERATURE (°C)
100
90
70
80
60
50
40
30
20
10
0
–25
–50
25
50
0
4070 G05
75
100
125
TEMPERATURE (°C)
300
250
150
200
100
50
0
–25
–50
25
50
0
4070 G06
75
100
125
TEMPERATURE (°C)
4.3
4.2
4.0
4.1
3.9
3.8
3.7
40
20
0
60
4070 G07
80
100
ADJ = VCC
ADJ = FLOAT
ADJ = GND
TEMPERATURE (°C)
3.250
3.245
3.235
3.240
3.225
3.230
3.210
3.205
3.220
3.215
3.200
–25
–50
25
50
0
4070 G08
75
100
125
ADJ = FLOAT
ADJ = GND
ADJ = VCC
TEMPERATURE (°C)
320
300
240
220
280
260
200
–25
–50
25
50
0
4070 G09
75
100
125
ADJ = FLOAT
ADJ = GND
ADJ = VCC



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