- 您现在的位置：买卖IC网 > PDF目录16307 > LTC4081EDD#PBF (Linear Technology)IC USB POWER MANAGER 10-DFN PDF资料下载
参数资料
| 型号： | LTC4081EDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 10-DFN |
| 标准包装： | 121 |
| 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： | 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-WFDFN 裸露焊盘 |
| 供应商设备封装： | 10-DFN（3x3） |
| 包装： | 管件 |
| 产品目录页面： | 1341 (CN2011-ZH PDF) |
LTC4081
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 NTC = 0V, V EN_BUCK = V BAT , V MODE = 0V.
(Note 2)
SYMBOL
I BAT_SD
PARAMETER
Battery Current in Shutdown (Both
CONDITIONS
V ? E ? N ? _ ? C ? H ? R ? G = 5V, V EN_BUCK = 0, V CC > V BAT
●
MIN
TYP
0.6
MAX
5
UNITS
μA
Battery Charger and Switching
Regulator Off)
V ? E ? N ? _ ? C ? H ? R ? G = 4V, V EN_BUCK = 0, V CC (3.5V) <
V BAT (4V)
2
μA
Battery Charger
V FLOAT
V BAT Regulated Output Voltage
I BAT = 2mA
I BAT = 2mA, 4.3V < V CC < 5.5V
●
4.179
4.158
4.2
4.2
4.221
4.242
V
V
I BAT
V UVLO_CHRG
V PROG
Current Mode Charge Current
V CC Undervoltage Lockout Voltage
PROG Pin Servo Voltage
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
●
●
●
●
●
90
475
3.5
2.8
0.98
100
500
3.6
3.0
1.0
110
525
3.7
3.2
1.02
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
Charge 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
700
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
I NTC
V COLD
V HOT
V DIS
f NTC
NTC Pin Current
Cold Temperature Fault Threshold
Voltage
Hot Temperature Fault Threshold
Voltage
NTC Disable Threshold Voltage
Fault Temperature ? C ? H ? R ? G Pulse
V NTC = 2.5V
Rising Voltage Threshold
Hysteresis
Falling Voltage Threshold
Hysteresis
Falling Threshold; V CC = 5V
Hysteresis
0.76 ? V CC
0.015 ? V CC
0.35 ? V CC
0.017 ? V CC
82
50
2
1
μA
V
V
V
V
mV
mV
Hz
Frequency
D NTC
Fault Temperature ? C ? H ? R ? G Pulse
25
%
Frequency Duty Ratio
4081f
3
相关PDF资料 |
PDF描述 |
|---|---|
| UBC1V331MNS1MS | CAP ALUM 330UF 35V 20% SMD |
| M3DRK-1606J | IDC CABLE - MKR16K/MC16G/MPR16K |
| EMM12DTKN-S288 | CONN EDGECARD 24POS .156 EXTEND |
| LTC4052EMS8E-4.2#PBF | IC CHARGER PULSE LI-ION 8-MSOP |
| EMM12DTKH-S288 | CONN EDGECARD 24POS .156 EXTEND |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4081EDD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:500mA Li-Ion Charger with NTC Input and 300mA Synchronous Buck |
| LTC4085 | 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager |
| LTC4085-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and 4.1V Li-Ion Charger |
| LTC4085-3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:USB Power Manager with Ideal Diode Controller and 3.95V Li-Ion Charger |
| LTC4085EDE | 制造商:Linear Technology 功能描述:USB Power Manager 14-Pin DFN EP |
发布紧急采购，3分钟左右您将得到回复。