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参数资料
| 型号： | LTC4097EDDB#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/20页 |
| 文件大小： | 0K |
| 描述： | IC CHARGER LI-ION/POLY 12-DFN |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 电源电压： | 4.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WFDFN 裸露焊盘 |
| 供应商设备封装： | 12-DFN-EP（3x2） |
| 包装： | 带卷 (TR) |
LTC4097
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V DCIN = 5V, V USBIN = 5V, HPWR = 5V, NTC = 0V, R IDC = 1k Ω , R IUSB = 2k Ω ,
R ITERM = 2k Ω unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V TRIKL
Trickle Charge Threshold Voltage V BAT Rising
●
2.8
2.9
3
V
Hysteresis
135
mV
V UVDC
DCIN Undervoltage Lockout
From Low to High
4
4.22
4.4
V
Voltage
Hysteresis
200
mV
V UVUSB
USBIN Undervoltage Lockout
From Low to High
3.8
4
4.2
V
Voltage
Hysteresis
200
mV
V ASD-DC
V DCIN – V BAT Lockout Threshold
V DCIN from High to Low, V BAT = 4.3V
5
30
55
mV
Voltage
V DCIN from Low to High, V BAT = 4.3V
100
mV
V ASD-USB
V SUSP , V HPWR
V USBIN – V BAT Lockout Threshold V USBIN from High to Low, V BAT = 4.3V
V USBIN from Low to High, V BAT = 4.3V
Voltage
V IL , Logic Low Voltage
5
30
150
55
0.5
mV
mV
V
V IH , Logic High Voltage
1.2
V
R SUSP
R HPWR
SUSP Pulldown Resistance
HPWR Pulldown Resistance
●
●
3.4
3.4
M Ω
M Ω
V ? C ? H ? R ? G
Δ V RECHRG
? C ? H ? R ? G Output Low Voltage
Recharge Battery Threshold
I ? C ? H ? R ? G = 5mA
V FLOAT – V RECHRG
●
70
62
100
150
130
mV
mV
Voltage
t RECHRG
t ITERM
R ON-DC
Recharge Comparator Filter Time V BAT from High to Low
Termination Comparator Filter Time I BAT Drops Below Termination Threshold
Power FET “ON” Resistance
1.6
3
420
ms
ms
m Ω
(Between DCIN and BAT)
R ON-USB
Power FET “ON” Resistance
470
m Ω
(Between USBIN and BAT)
T LIM
Junction Temperature in
115
°C
Constant-Temperature Mode
I VNTC
VNTC Pin Current
V VNTC = 4.55V DCIN Powered
V VNTC = 4.8V USBIN Powered
30
30
mA
mA
V VNTC
I NTC
V NTC-COLD
VNTC Bias Voltage
NTC Input Leakage Current
Cold Temperature Fault
Threshold Voltage
I VNTC = 250μA
V NTC = 1V
Rising Threshold
Hysteresis
4.25
0
0.765 ? V VNTC
0.016 ? V VNTC
5.5
±1
V
μA
V
V
V NTC-HOT
Hot Temperature Fault Threshold Falling Threshold
0.349 ? V VNTC
V
Voltage
Hysteresis
0.016 ? V VNTC
V
V NTC-DIS
NTC Disable Threshold Voltage
NTC Input Voltage to GND (Falling)
Hysteresis
0.017 ? V VNTC
0.01 ? V VNTC
V
V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LTC4097 is guaranteed to meet the performance speci?cations
from 0°C to 85°C. Speci?cations over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: Failure to correctly solder the Exposed Pad of the package to the
PC board will result in a thermal resistance much higher than 60°C/W. See
Thermal Considerations.
Note 4: Supply current includes IDC and ITERM pin current (approximately
100μA each) but does not include any current delivered to the battery
through the BAT pin.
Note 5: Supply current includes IUSB and ITERM pin current
(approximately 100μA each) but does not include any current delivered to
the battery through the BAT pin.
Note 6: Guaranteed by long term current density limitations.
Note 7: V CC is greater of DCIN or USBIN
4097f
3
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| LTC4098EPDC#PBF | 功能描述:IC CHARGER USB COMP 20-UTQFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电池管理 系列:Bat-Track™, PowerPath™ 标准包装:1 系列:- 功能:充电管理 电池化学:锂离子（Li-Ion）、锂聚合物（Li-Pol） 电源电压:3.75 V ~ 6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:剪切带 (CT) 产品目录页面:669 (CN2011-ZH PDF) 其它名称:MCP73831T-2ACI/OTCT |
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