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参数资料
| 型号： | LTC4085EDE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 13/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 14-DFN |
| 标准包装： | 91 |
| 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： | 管件 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
LTC4085
OPERATION
Table 1. Operating Modes—PowerPath States
Current Limited Input Power (IN to OUT)
WALL PRESENT
Y
X
X
X
X
N
SUSPEND
X
Y
X
X
X
N
V IN > 3.8V
X
X
N
X
X
Y
V IN > (V OUT + 100mV)
X
X
X
N
X
Y
V IN > (V BAT + 100mV)
X
X
X
X
N
Y
CURRENT LIMIT ENABLED
N
N
N
N
N
Y
Battery Charger (OUT to BAT)
WALL PRESENT
X
X
X
SUSPEND
X
X
X
V OUT > 4.35V
N
X
Y
V OUT > (V BAT + 100mV)
X
N
Y
CHARGER ENABLED
N
N
Y
Ideal Diode (BAT to OUT)
WALL PRESENT
X
X
X
SUSPEND
X
X
X
V IN
X
X
X
V BAT > V OUT
X
N
Y
V BAT > 2.8V
N
X
Y
DIODE ENABLED
N
N
Y
Operating Modes—Pin Currents vs Programmed Currents (Powered from IN)
PROGRAMMING
I CL = I CHG
I CL > I CHG
I CL < I CHG
OUTPUT CURRENT
I OUT < I CL
I OUT = I CL = I CHG
I OUT > I CL
I OUT < (I CL – I CHG )
I OUT > (I CL – I CHG )
I OUT = I CL
I OUT > I CL
I OUT < I CL
I OUT > I CL
BATTERY CURRENT
I BAT = I CL – I OUT
I BAT = 0
I BAT = I CL – I OUT
I BAT = I CHG
I BAT = I CL – I OUT
I BAT = 0
I BAT = I CL – I OUT
I BAT = I CL – I OUT
I BAT = I CL – I OUT
INPUT CURRENT
I IN = I Q + I CL
I IN = I Q + I CL
I IN = I Q + I CL
I IN = I Q + I CHG + I OUT
I IN = I Q + I CL
I IN = I Q + I CL
I IN = I Q + I CL
I IN = I Q + I CL
I IN = I Q + I CL
4085fd
13
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相关代理商/技术参数 |
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| LTC4085EDE-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and Li-Ion Charger |
| LTC4088 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Effi ciency Battery Charger/USB Power Manager |
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