参数资料
型号: LTC4075EDD#TRPBF
厂商: Linear Technology
文件页数: 5/16页
文件大小: 0K
描述: IC CHARG BATT LI-ON USB 10DFN
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 4.3 V ~ 8 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC4075/LTC4075X
TYPICAL PERFOR A CE CHARACTERISTICS
Charge Current vs Ambient
Charge Current vs
Temperature
Supply Voltage
Charge Current vs Battery Voltage
1000
800
ONSET OF
THERMAL REGULATION
900
800
ONSET OF
THERMAL REGULATION
1000
800
LTC4075X
R IDC = 1.25k
700
600
600
400
R IDC = R IUSB = 2k
600
400
500
V DCIN = V USBIN = 5V
R IDC = 1.25k
V BAT = 4V
200
V BAT = 4V
θ JA = 40 ° C/W
0
–50 –25 0 25
50
75
100
125
400
θ JA = 35 ° C/W
300
4.0 4.5 5.0
5.5 6.0
6.5
7.0
7.5
8.0
200
0
LTC4075
2.4 2.7
3.0
V DCIN = V USBIN = 5V
θ JA = 40 ° C/W
R IDC = 1.25k
3.3 3.6 3.9
4.2
4.5
TEMPERATURE ( ° C)
4075X G10
DCIN Power FET “On” Resistance
vs Temperature
V DCIN (V)
4075X G11
USBIN Power “On” Resistance
vs Temperature
V BAT (V)
4075X G12
ENABLE Pin Threshold (On-to-Off)
vs Temperature
550
V BAT = 4V
I BAT = 200mA
800
750
V BAT = 4V
I BAT = 200mA
900
V DCIN = V USBIN = 5V
500
700
850
450
400
350
300
650
600
550
500
450
400
800
750
700
650
250
–50 –25
0
25
50
75
100
125
350
–50 –25
0
25
50
75
100
125
600
–50
–25
0
25
50
75
100
50
TEMPERATURE ( ° C)
DCIN Shutdown Current vs
Temperature
4075X G13
45
TEMPERATURE ( ° C)
USBIN Shutdown Current vs
Temperature
4075X G14
2.8
TEMPERATURE ( ° C)
4075X G15
ENABLE Pin Pulldown Resistance
vs Temperature
45
40
35
V DCIN = 8V
40
35
30
V USBIN = 8V
2.6
2.4
30
25
20
15
10
5
V DCIN = 5V
V DCIN = 4.3V
E NABLE    = 5 V
25
20
15
10
5
V USBIN = 5V
V USBIN = 4.3V
E NABLE    = 0 V
2.2
2.0
1.8
0
–50
–25
0
25
50
75
100
0
–50
–25
0
25
50
75
100
1.6
–50
–25
0
25
50
75
100
TEMPERATURE ( ° C)
4075X G16
TEMPERATURE ( ° C)
4075X G17
TEMPERATURE ( ° C)
4075X G18
4075Xfa
5
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