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参数资料
| 型号： | LTC4071IMS8E#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/18页 |
| 文件大小： | 0K |
| 描述： | IC LI-ION/POLY BATT CHRGR 8-MSOP |
| 标准包装： | 50 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion）、锂聚合物（Li-Pol） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 供应商设备封装： | 8-MSOP-EP |
| 包装： | 管件 |
LTC4071
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range. Conditions are V NTC = V ADJ = V CC , V LBSEL = GND, T J = 25°C unless otherwise specified. Current into a pin
is positive and current out of a pin is negative. All voltages are referenced to GND unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Low Battery Disconnect
I LEAK
R DSON
V LBD
V LBC_BAT
Battery Disconnect Leakage
Current
Resistance of V CC – BAT Switch
Low Battery Disconnect
Low Battery Connect
V CC < V BAT = 2.65V
I BAT = –1mA, V HBO High
V BAT Falling, I BAT = –1mA, LBSEL = V CC , 0°C < Temp < 125°C
V BAT Falling, I BAT = –1mA, LBSEL = V CC
V BAT Falling, I BAT = –1mA, LBSEL = GND, 0°C < Temp < 125°C
V BAT Falling, I BAT = –1mA, LBSEL = GND
V BAT Rising, I BAT = –1mA, LBSEL = V CC
l
l
l
2.60
2.52
3.05
2.95
0.01
0.01
4
2.70
2.70
3.20
3.20
2.97
25
6
2.79
2.79
3.28
3.28
nA
nA
Ω
V
V
V
V
V
V BAT Rising, I BAT = –1mA, LBSEL = GND
3.53
V
V LBC_VCC
Low Battery Connect
V CC Rising, LBSEL = V CC
V CC Rising, LBSEL = GND
3.6
4.19
V
V
High Battery Status
V HBTH
HBO Threshold (V FLOAT – V CC )
V CC Rising
l
15
40
75
mV
V HBHY
Hysteresis
100
mV
Status Output: HBO
V OL
V OH
CMOS Output Low
CMOS Output High
I SINK = 1mA, V CC = 3.7V
I SOURCE = –0.5mA, I CC = 1.5mA
V CC – 0.6
0.5
V
V
Selection Inputs: ADJ, LBSEL
V ADJ_IL
V ADJ_IH
I ADJ(Z)
V LBSEL_IL
V LBSEL_IH
ADJ V IL
ADJ V IH
Allowable ADJ Leakage Current
in Floating State
LBSEL V IL
LBSEL V IH
Input Logic Low Level
Input Logic High Level
Input Logic Low Level
Input Logic High Level
l
l
l
l
l
V CC – 0.3
1.4
0.3
±3
250
V
V
μA
mV
V
I LBSEL
LBSEL Leakage Current
0 ≤ LBSEL ≤ V CC
l
–5
0
5
nA
NTC
I NTC
I NTCBIAS
NTC TH1
NTC TH2
NTC Leakage Current
Average NTCBIAS Sink Current
NTC Comparator Falling
Thresholds
0V ≤ NTC ≤ V CC
Pulsed Duty Cycle < 0.002%
V NTC as Percentage of V NTCBIAS Amplitude
l
–5
35.5
28.0
0
30
36.5
29.0
5
50
38
30.5
nA
pA
%
%
NTC TH3
NTC TH4
NTC HY
Hysteresis
21.8
16.8
22.8
17.8
30
23.8
18.8
%
%
mV
?V FLOAT(NTC) Delta Float Voltage per NTC
Comparator Step
NTC Falling Below One of the NTC TH Thresholds
ADJ = 0V
ADJ = Floating
ADJ = V CC
–57
–82
–107
–50
–75
–100
–43
–68
–93
mV
mV
mV
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 LTC4071 is tested under pulsed load conditions such that
T J ≈ T A . The LTC4071E is guaranteed to meet performance specifications
for junction temperatures from 0°C to 85°C. Specifications over the
–40°C to 125°C operating junction temperature range are assured by
design, characterization and correlation with statistical process controls.
The LTC4071I is guaranteed over the full –40°C to 125°C operating
junction temperature range. Note that the maximum ambient temperature
consistent with these specifications is determined by specific operation
conditions in conjunction with board layout, the rated package thermal
impedance and other environmental factors.
4071fc
3
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