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参数资料
| 型号： | LTC4085EDE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/24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
ELECTRICAL CHARACTERISTICS
The l indicates specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25°C. V IN = 5V, V BAT = 3.7V, HPWR = 5V, WALL = 0V, R PROG = 100k,
R CLPROG = 2k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V CLPROG
CLPROG Pin Voltage
R PROG = 2k
R PROG = 1k
l
l
0.98
0.98
1
1
1.02
1.02
V
V
I SS
Soft-Start Inrush Current
IN or OUT
5
mA/μs
V CLEN
Input Current Limit Enable Threshold
Voltage
(V IN – V OUT ) V IN Rising
(V IN – V OUT ) V IN Falling
20
–80
50
–60
80
–20
mV
mV
Battery Charger
V FLOAT
Regulated Output Voltage
I BAT = 2mA
I BAT = 2mA, (0°C to 85°C)
4.165
4.158
4.2
4.2
4.235
4.242
V
V
I BAT
Current Mode Charge Current
R PROG = 100k (0.1%), No Load
R PROG = 50k (0.1%), No Load
l
l
465
900
500
1000
535
1080
mA
mA
I BAT(MAX)
Maximum Charge Current
(Note 8)
1.5
A
V PROG
k EOC
PROG Pin Voltage
Ratio of End-of-Charge Current to
Charge Current
R PROG = 100k
R PROG = 50k
V BAT = V FLOAT (4.2V)
l
l
l
0.98
0.98
0.085
1
1
0.1
1.02
1.02
0.11
V
V
mA/mA
I TRIKL
V TRIKL
V CEN
Trickle Charge Current
Trickle Charge Threshold Voltage
Charger Enable Threshold Voltage
V BAT = 2V, R PROG = 100k (0.1%)
(V OUT – V BAT ) Falling; V BAT = 4V
(V OUT – V BAT ) Rising; V BAT = 4V
l
40
2.8
50
2.9
55
80
60
3
mA
V
mV
mV
V RECHRG
t TIMER
Recharge Battery Threshold Voltage
TIMER Accuracy
V FLOAT – V RECHRG
V BAT = 4.3V
l
65
-10
100
135
10
mV
%
Recharge Time
Low-Battery Trickle Charge Time
Percent of Total Charge Time
Percent of Total Charge Time, V BAT < 2.8V
50
25
%
%
T LIM
Junction Temperature in Constant
Temperature Mode
105
°C
Internal Ideal Diode
R FWD
R DIO(ON)
Incremental Resistance, V ON Regulation
ON Resistance V BAT to V OUT
I BAT = 100mA
I BAT = 600mA
125
215
m Ω
m Ω
V FWD
Voltage Forward Drop (V BAT – V OUT )
I BAT = 5mA
I BAT = 100mA
I BAT = 600mA
l
10
30
55
160
50
mV
mV
mV
V OFF
I FWD
I D(MAX)
Diode Disable Battery Voltage
Load Current Limit, for V ON Regulation
Diode Current Limit
2.8
550
2.2
V
mA
A
External Ideal Diode
V FWD,EDA
External Ideal Diode Forward Voltage
V GATE = 1.85V; I GATE = 0
20
mV
Logic
V OL
Output Low Voltage, CHRG , ACPR
I SINK = 5mA
l
0.1
0.25
V
V IH
V IL
I PULLDN
Input High Voltage
Input Low Voltage
Logic Input Pull-Down Current
SUSP, HPWR Pin
SUSP, HPWR Pin
SUSP, HPWR
l
l
1.2
2
0.4
V
V
μA
4085fd
3
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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 |
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