参数资料
型号: LTC4066EPF#TRPBF
厂商: Linear Technology
文件页数: 3/28页
文件大小: 0K
描述: IC USB POWER MANAGER 24-UTQFN
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: 24-UFQFN 裸露焊盘
供应商设备封装: 24-UTQFN-EP(4x4)
包装: 带卷 (TR)
LTC4066/LTC4066-1
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 5V, V BAT = 3.7V, HPWR = 5V, WALL = 0V, R PROG = 100k,
R CLPROG = R ISTAT = 2k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V IN
V BAT
I IN
I OUT
BAT
I IN(MAX)
Input Supply Voltage
Input Voltage
Input Supply Current
Output Supply Current
Battery Drain Current
Maximum Input Current Limit
IN and OUT
BAT
I BAT = I ISTAT = 0 (Note 8)
Suspend Mode; SUSP = 2V
Suspend Mode; SUSP = 2V, Wall = 2V, V OUT = 4.8V
Shutdown; SHDN = 2V
V OUT = 5V, V IN = 0V, V BAT = 4.3V, TIMER = 0V
V BAT = 4.3V, Charging Stopped
Suspend Mode; SUSP = 2V
Shutdown; SHDN = 2V
V IN = 0V, BAT Powers OUT, No Load
(Note 9)
l
l
l
l
l
l
l
l
l
l
l
4.35
1.9
0.5
50
50
10
400
15
15
2.5
55
2.6
5.5
4.3
1.2
100
100
20
800
27
27
5
100
V
V
mA
μA
μA
μA
μA
μA
μA
μA
μA
A
V UVLO
Input or Output Undervoltage Lockout
V IN Powers Part, Rising Threshold
V OUT Powers Part, Rising Threshold
l
l
3.6
3.6
3.8
3.8
4
4
V
V
Δ V UVLO
Input or Output Undervoltage Lockout
V IN Rising – V IN Falling or
V OUT Rising – V OUT Falling
125
mV
Current Limit
I LIM
Current Limit
R CLPROG = 2k, HPWR = 5V
R CLPROG = 2k, HPWR = 0V
l
l
475
90
500
100
525
110
mA
mA
R ON
ON Resistance V IN to V OUT
HPWR = 5V, 400mA Load
HPWR = 0V, 80mA Load
0.16
0.16
Ω
Ω
V CLPROG
CLPROG Pin Voltage
R CLPROG = 2k
l
0.980
1.000
1.020
V
R CLPROG = 1k
0.980
1.000
1.020
V
I SS
Soft-Start Inrush Current
IN or OUT
10
mA/μs
V ALEN
Automatic Current Limit Enable Threshold
Voltage
(V IN – V OUT ) V IN Rising
(V IN – V OUT ) V IN Falling
25
–85
50
–60
75
–25
mV
mV
Battery Charger
V FLOAT
I BAT
Regulated Output Voltage
Current Mode Charge Current
(0°C to 85°C), I BAT = 2mA
I BAT = 2mA
(0°C to 85°C), I BAT = 2mA (LTC4066-1)
I BAT = 2mA (LTC4066-1)
R PROG = 100k, No Load
R PROG = 50k, No Load
l
l
l
l
4.165
4.158
4.066
4.059
460
920
4.200
4.200
4.100
4.100
500
1000
4.235
4.242
4.134
4.141
540
1080
V
V
V
V
mA
mA
I BAT(MAX)
Maximum Charge Current
(Note 9)
1.5
A
V PROG
k ISTAT
V EOC
PROG Pin Voltage
Ratio of I BAT (Charging) to I STAT
Pin Current
End-of-Charge I STAT Pin Voltage
R PROG = 100k
R PROG = 50k
I BAT = 50mA
I BAT = 100mA
I BAT = 500mA
I BAT = 1000mA
V BAT = V FLOAT (4.2V, 4.1V for LTC4066-1)
l
l
l
l
l
l
l
0.980
0.980
875
900
925
950
94
1.000
1.000
1000
1000
1000
1000
100
1.020
1.020
1125
1100
1075
1050
106
V
V
mA/mA
mA/mA
mA/mA
mA/mA
mV
I TRIKL
V TRIKL
V CEN
Trickle Charge Current
Trickle Charge Threshold Voltage
Charger Enable Threshold Voltage
V BAT = 2V, R PROG = 100k
(V OUT – V BAT ) High to Low, V BAT = 4V
l
35
2.8
50
2.9
60
60
3
mA
V
mV
(V OUT – V BAT ) Low to High, V BAT = 4V
90
mV
V RECHRG
t TIMER
Recharge Battery Threshold Voltage
TIMER Accuracy
V FLOAT – V RECHRG
V BAT = 4.2V (4.1V for LTC4066-1)
l
60
–10
100
130
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
%
%
4066fc
3
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