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LTC4075 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC4075
Description  Dual Input USB/AC Adapter Standalone Li-Ion Battery Chargers
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4075 Datasheet(HTML) 5 Page - Linear Technology

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background image
LTC4075/LTC4075X
5
4075Xfa
1000
800
600
400
200
0
4075X G10
VDCIN (V)
4075X G11
900
800
700
600
500
400
300
4.0
5.0
6.0
6.5
4.5
5.5
7.0
7.5
8.0
TEMPERATURE (
°C)
–50
550
500
450
400
350
300
250
25
75
4075X G13
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
800
750
700
650
600
550
500
450
400
350
4075X G14
900
850
800
750
700
650
600
4075X G16
50
45
40
35
30
25
20
15
10
5
0
45
40
35
30
25
20
15
10
5
0
4075X G17
4075X G18
2.8
2.6
2.4
2.2
2.0
1.8
1.6
4075X G15
VDCIN = 8V
VDCIN = 5V
VDCIN = 4.3V
VUSBIN = 8V
VUSBIN = 5V
VUSBIN = 4.3V
ENABLE = 5V
ENABLE = 0V
VDCIN = VUSBIN = 5V
VBAT = 4V
θJA = 40°C/W
VBAT = 4V
IBAT = 200mA
VBAT = 4V
IBAT = 200mA
RIDC = 1.25k
VBAT = 4V
θJA = 35°C/W
RIDC = 1.25k
RIDC = RIUSB = 2k
ONSET OF
THERMAL REGULATION
ONSET OF
THERMAL REGULATION
VDCIN = VUSBIN = 5V
VBAT (V)
2.4
1000
800
600
400
200
0
3.0
3.6
3.9
4075X G12
2.7
3.3
4.2
4.5
LTC4075
LTC4075X
VDCIN = VUSBIN = 5V
θJA = 40°C/W
RIDC = 1.25k
Charge Current vs Ambient
Temperature
Charge Current vs
Supply Voltage
Charge Current vs Battery Voltage
DCIN Power FET “On” Resistance
vs Temperature
USBIN Power “On” Resistance
vs Temperature
ENABLE Pin Threshold (On-to-Off)
vs Temperature
DCIN Shutdown Current vs
Temperature
USBIN Shutdown Current vs
Temperature
ENABLE Pin Pulldown Resistance
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS



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