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参数资料
| 型号： | LTC4160EUDC-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/32页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH POWER MANAGER 20-QFN |
| 标准包装： | 2,500 |
| 系列： | Bat-Track™, PowerPath™ |
| 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： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN（3x4） |
| 包装： | 带卷 (TR) |
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LTC4160/LTC4160-1
ELECTRICAL CHARACTERISTICS
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 LTC4160E/LTC4160E-1 are guaranteed to meet specifications
from 0°C to 85°C. Specifications over the –40°C to 85°C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3: The LTC4160E/LTC4160E-1 include overtemperature protection
that is intended to protect the device during momentary overload
conditions. Junction temperature will exceed 125°C when overtemperature
protection is active. Continuous operation above the specified maximum
operating junction temperature may impair device reliability.
Note 4: Total input current is the sum of quiescent current, I VBUSQ , and
measured current given by V CLPROG /R CLPROG ? (h CLPROG + 1).
Note 5: The current limit features of this part are intended to protect the
IC from short term or intermittent fault conditions. Continuous operation
above the maximum specified pin current rating may result in device
degradation or failure.
Note 6: The bidirectional switcher’s supply current is bootstrapped to
V BUS and in the application will reflect back to V OUT by (V BUS /V OUT ) ?
1/efficiency. Total quiescent current is the sum of the current into the V OUT
pin plus the reflected current.
Note 7: h C/10 is expressed as a fraction of the measured full charge current
with indicated PROG resistor.
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C, unless otherwise noted.
USB Limited Load Current vs Battery
Voltage (Battery Charger Disabled)
USB Limited Load Current vs Battery
Voltage (Battery Charger Disabled)
Battery and V BUS Currents vs
Load Current
900
800
700
V BUS = 5V
5x MODE
160
140
120
V BUS = 5V
1x MODE
750
500
V BUS CURRENT
600
500
400
300
200
100
0
2.7
3.0
3.3
3.6
3.9
4.2
100
80
60
40
20
0
2.7
3.0
3.3
3.6
3.9
4.2
250
0
–250
–500
0
BATTERY CURRENT
(CHARGING)
V BUS = 5V
BAT = 3.8V
5x MODE
R CLPROG = 3.01k BATTERY CURRENT
R PROG = 1k (DISCHARGING)
200 400 600 800 1000
BATTERY VOLTAGE (V)
41601 G01
BATTERY VOLTAGE (V)
41601 G02
LOAD CURRENT (mA)
41601 G03
USB Limited Battery Charge
Current vs Battery Voltage
USB Limited Battery Charge
Current vs Battery Voltage
Battery and V BUS Currents
vs Load Current
700
600
500
400
140
120
100
80
1000
750
500
V BUS CURRENT
BATTERY CURRENT
(CHARGING)
300
200
100
0
2.7
3.0
V BUS = 5V
5x MODE
R PROG = 1k
3.3 3.6
3.9
4.2
60
40
20
0
V BUS = 5V
1x MODE
R PROG = 1k
2.7 3.0
3.3
3.6
3.9
4.2
250
0
–250
–500
0
V BUS = 5V
BAT = 3.8V
10x MODE
R CLPROG = 3.01k
R PROG = 2k
250 500
BATTERY CURRENT
(DISCHARGING)
750 1000 1250
1500
BATTERY VOLTAGE (V)
41601 G04
BATTERY VOLTAGE (V)
41601 G05
LOAD CURRENT (mA)
41601 G06
41601fa
5
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