参数资料
| 型号： | LTC4085EDE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 6/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 14-DFN |
| 标准包装： | 2,500 |
| 功能： | 电源管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 4.35 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-DFN-EP（4x3） |
| 包装： | 带卷 (TR) |
LTC4085
TYPICAL PERFORMANCE CHARACTERISTICS
Battery Current and Voltage
T A = 25°C unless otherwise noted.
Charge Current vs Temperature
Input R ON vs Temperature
vs Time
(Thermal Regulation)
275
I LOAD = 400mA
600
6
600
250
500
I BAT
CHRG
5
500
V IN = 4.5V
V BAT
225
400
4
400
V IN = 5V
200
175
V IN = 5.5V
300
200
3
2
300
200
400mAhr CELL
C/10
150
100 V IN = 5V
R PROG = 100k
TERMINATION
1
100 V IN = 5V
V BAT = 3.5V
125
–50
–25
0 25 50
75
100
0
R CLPROG = 2.1k
0 50 100 150 200
0
JA = 50°C/W
0
–50 –25 0
25 50 75
100
125
V IN = 5V
V IN = 5V
TEMPERATURE (°C)
4085 G10
Charging from USB, I BAT vs V BAT
600
V OUT = NO LOAD
500 R PROG = 100k
R CLPROG = 2k
HPWR = 5V
400
300
200
TIME (MINUTES)
4085 G11
Charging from USB, Low Power,
I BAT vs V BAT
120
V OUT = NO LOAD
100 R PROG = 100k
R CLPROG = 2k
HPWR = 0V
80
60
40
TEMPERATURE (°C)
4085 G12
Ideal Diode Current vs Forward
Voltage and Temperature
(No External Device)
1000
V BAT = 3.7V
900 V IN = 0V
800
700
600
500
400
300
100
20
200
100
–50°C
0°C
50°C
100°C
0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
0
50
100
150
200
V BAT (V)
Ideal Diode Resistance and
Current vs Forward Voltage
(No External Device)
1000
V BAT = 3.7V
900 V IN = 0V
4085 G13
V BAT (V)
4085 G14
Ideal Diode Current vs Forward
Voltage and Temperature with
External Device
5000
V BAT = 3.7V
4500 V IN = 0V
V FWD (mV)
4085 G15
Ideal Diode Resistance and
Current vs Forward Voltage with
External Device
5000
V BAT = 3.7V
4500 V IN = 0V
800
700
600
500
400
I OUT
4000
3500
3000
2500
2000
Si2333 PFET
4000
3500
3000
2500
2000
Si2333 PFET
300
200
R DIO
1500
1000
–50°C
0°C
1500
1000
100
0
0
50
100
150
200
500
0
0
20
40
60
80
50°C
100°C
100
500
0
0
20
40
60
80
100
V FWD (mV)
4085 G16
V FWD (mV)
4085 G17
V FWD (mV)
4085 G18
4085fd
6
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相关代理商/技术参数 |
参数描述 |
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| LTC4088 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency Battery Charger/USB Power Manager |
| LTC4088_12 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager |
| LTC4088-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency Battery Charger/USB Power Manager with Regulated Output Voltage |
| LTC4088-1_12 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager |
| LTC4088-2 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency Battery Charger/USB Power Manager with Regulated Output Voltage |
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