参数资料
| 型号： | LTC4080EMSE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION 10-MSOP |
| 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： | 3.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 10-MSOP 裸露焊盘 |
| 包装： | 带卷 (TR) |
LTC4080
ELECTRICAL CHARACTERISTICS The ● denotes speci?cations which apply over the full operating tempera-
ture range, otherwise speci?cations are at T A = 25°C, V CC = 5V, V BAT = 3.8V, V ? E ? N ? _ ? C ? H ? R ? G = 0V, V EN_BUCK = V BAT , V MODE = 0V. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Battery Charger
V FLOAT
I BAT
V UVLO_CHRG
V PROG
V BAT Regulated Output Voltage
Current Mode Charge Current
V CC Undervoltage Lockout Voltage
PROG Pin Servo Voltage
I BAT = 2mA
I BAT = 2mA, 4.3V < V CC < 5.5V
R PROG = 4k; Current Mode; V EN_BUCK = 0
R PROG = 0.8k; Current Mode; V EN_BUCK = 0
V CC Rising
V CC Falling
0.8k ≤ R PROG ≤ 4k
●
●
●
●
●
●
4.179
4.158
90
475
3.5
2.8
0.98
4.2
4.2
100
500
3.6
3.0
1.0
4.221
4.242
110
525
3.7
3.2
1.02
V
V
mA
mA
V
V
V
V ASD
t SS_CHRG
Automatic Shutdown Threshold Voltage (V CC – V BAT ), V CC Low to High
(V CC – V BAT ), V CC High to Low
Battery Charger Soft-Start Time
60
15
82
32
180
100
45
mV
mV
μs
I TRKL
Trickle Charge Current
V BAT = 2V, R PROG = 0.8k
35
50
65
mA
V TRKL
V TRHYS
Trickle Charge Threshold Voltage
Trickle Charge Threshold Voltage
V BAT Rising
●
2.75
100
2.9
150
3.05
350
V
mV
Hysteresis
Δ V RECHRG
Δ V UVCL1,
Δ V UVCL2
t TIMER
Recharge Battery Threshold Voltage
(V CC – V BAT ) Undervoltage Current
Limit Threshold Voltage
Termination Timer
Recharge Time
V FLOAT – V BAT , 0°C < T A < 85°C
I BAT = 0.9 I CHG
I BAT = 0.1 I CHG
●
●
70
180
90
3
1.5
100
300
130
4.5
2.25
130
6
3
mV
mV
mV
hrs
hrs
Low-Battery Charge Time
V BAT = 2.5V
●
0.75
1.125
1.5
hrs
I C/10
End of Charge Indication Current Level
R PROG = 2k (Note 6)
●
0.085
0.1
0.115
mA/mA
T LIM
Junction Temperature in Constant-
115
°C
Temperature Mode
R ON_CHRG
Power FET On-Resistance (Between
I BAT = 350mA, V CC = 4V
750
m Ω
V CC and BAT)
f BADBAT
Defective Battery Detection C ? H ? R ? G ? Pulse V BAT = 2V
2
Hz
Frequency
D BADBAT
Defective Battery Detection C ? H ? R ? G ? Pulse V BAT = 2V
75
%
Frequency Duty Ratio
Buck Converter
V FB
I FB
f OSC
I BAT_NL_CF
FB Servo Voltage
FB Pin Input Current
Switching Frequency
No-Load Battery Current (Continuous
V FB = 0.85V
No-Load for Regulator, V ? E ? N ? _ ? C ? H ? R ? G = 5V,
●
●
0.78
–50
1.8
0.80
2.25
1.9
0.82
50
2.75
V
nA
MHz
mA
Frequency Mode)
L = 10μH, C = 4.7μF
I BAT_NL_BM
No-Load Battery Current (Burst Mode
No-Load for Regulator, V ? E ? N ? _ ? C ? H ? R ? G = 5V,
23
μA
Operation)
MODE = V BAT , L = 10μH, C = 4.7μF
I BAT_SLP
Battery Current in SLEEP Mode
V ? E ? N ? _ ? C ? H ? R ? G = 5V, MODE = V BAT ,
●
10
15
20
μA
V OUT > Regulation Voltage
V UVLO_BUCK
Buck Undervoltage Lockout
V BAT Rising
V BAT Falling
●
●
2.6
2.4
2.7
2.5
2.8
2.6
V
V
4080fb
3
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| LTC4080X | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA Standalone Li-Ion Charger with Integrated 300mA Synchronous Buck in 3mm × 3mm DFN |
| LTC4080XEDD#PBF | 功能描述:IC CHARGER LI-ION 10-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 功能:电源管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 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:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
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