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参数资料
| 型号： | LTC4089EDJC-5#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/24页 |
| 文件大小： | 0K |
| 描述： | IC USB POWER MANAGER 22-DFN |
| 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： | 22-WFDFN 裸露焊盘 |
| 供应商设备封装： | 22-DFN（6x3）裸露焊盘 |
| 包装： | 带卷 (TR) |
LTC4089/LTC4089-5
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. HVIN = 12V, BOOST = 17V, V IN = 5V, V BAT = 3.7V, HVEN = 12V,
HPWR = 5V, R PROG = 100k, R CLPROG = 2k, SUSP = 0V, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Internal Ideal Diode
R FWD
Incremental Resistance, V ON
I BAT = 100mA
125
m
Regulation
R DIO,ON
ON Resistance V BAT to V OUT
I BAT = 600mA
215
m
V FWD
Voltage Forward Drop (V BAT - V OUT ) I BAT = 5mA
l
10
30
50
mV
I BAT = 100mA
I BAT = 600mA
55
160
mV
mV
V OFF
I FWD
Diode Disable Battery Voltage
Load Current Limit, for V ON
2.8
550
V
mA
Regulation
I D(MAX)
Diode Current Limit
2.2
A
External Ideal Diode
V FWD, EXT
External Diode Forward Voltage
20
mV
Logic
V OL
Output Low Voltage ( CHRG , HVPR )
I SINK = 5mA
l
0.1
0.4
V
V IH
V IL
I PULLDN
Input High Voltage
Input Low Voltage
Logic Input Pull Down Current
HVEN, SUSP, HPWR Pin Low to High
HVEN, SUSP, HPWR Pin High to Low
SUSP, HPWR
2.3
2
0.3
V
V
μA
I HVEN
V CHG,SD
HVEN Pin Bias Current
Charger Shutdown Threshold
V HVEN = 2.3V
V HVEN = 0V
l
0.14
6
0.01
20
0.1
0.4
μA
μA
V
Voltage on TIMER
I CHG,SD
Charger Shutdown Pull-Up Current
V TIMER = 0V
l
5
14
μA
on TIMER
NTC
I VNTC
V VNTC
I NTC
VNTC Pin Current
VNTC Bias Voltage
NTC Input Leakage Current
V VNTC = 2.5V
I VNTC = 500μA
V NTC = 1V
l
l
1.4
4.4
2.5
4.85
0
3.5
± 1
mA
V
μA
V COLD
V HOT
Cold Temperature Fault Threshold
Voltage
Hot Temperature Fault Threshold
Voltage
Rising Threshold
Hysteresis
Falling Threshold
Hysteresis
0.74?V VNTC
0.02?V VNTC
0.29?V VNTC
0.01?V VNTC
V
V
V
V
V DIS
NTC Disable Voltage
NTC Input Voltage to GND (Falling)
l
75
100
125
mV
Hysteresis
35
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: V CC is the greater of V IN , V OUT or V BAT
Note 3: All voltage values are with respect to GND.
Note 4: This IC includes over-temperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperatures will exceed 110°C when over-temperature protection is
active. Continuous operation above the speci?ed maximum operating
junction temperature may result in device degradation or failure.
Note 5: The LTC4089/LTC4089-5 are guaranteed to meet speci?ed
performance from 0°C to 85°C and are designed, characterized and
expected to meet these extended temperature limits, but are not tested
at –40°C and 85°C.
Note 6: Guaranteed by long term current density limitations.
Note 7: Total input current is equal to this speci?cation plus 1.002 ? I BAT
where I BAT is the charge current.
Note 8: Accuracy of programmed current may degrade for currents greater
than 1.5A.
Note 9: Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at high duty cycle.
40895fc
4
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