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参数资料
| 型号： | LTC4160EUDC#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PQCC20 |
| 封装： | 3 X 4 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20 |
| 文件页数： | 28/32页 |
| 文件大小： | 422K |
| 代理商： | LTC4160EUDC#PBF |
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LTC4160/LTC4160-1
5
41601fa
TYPICAL PERFORMANCE CHARACTERISTICS
USB Limited Load Current vs Battery
Voltage (Battery Charger Disabled)
USB Limited Load Current vs Battery
Voltage (Battery Charger Disabled)
Battery and VBUS Currents vs
Load Current
USB Limited Battery Charge
Current vs Battery Voltage
USB Limited Battery Charge
Current vs Battery Voltage
Battery and VBUS Currents
vs Load Current
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.
ELECTRICAL CHARACTERISTICS
TA = 25°C, unless otherwise noted.
Note 4: Total input current is the sum of quiescent current, IVBUSQ, and
measured current given by VCLPROG/RCLPROG (hCLPROG + 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
VBUS and in the application will reflect back to VOUT by (VBUS/VOUT)
1/efficiency. Total quiescent current is the sum of the current into the VOUT
pin plus the reflected current.
Note 7: hC/10 is expressed as a fraction of the measured full charge current
with indicated PROG resistor.
BATTERY VOLTAGE (V)
2.7
0
LOAD
CURRENT
(mA)
100
300
400
500
3.3
3.9
4.2
900
41601 G01
200
3.0
3.6
600
700
800
VBUS = 5V
5x MODE
LOAD CURRENT (mA)
0
CURRENT
(mA)
250
500
750
800
41601 G03
0
–250
–500
200
400
600
1000
VBUS CURRENT
BATTERY CURRENT
(CHARGING)
VBUS = 5V
BAT = 3.8V
5x MODE
RCLPROG = 3.01k
RPROG = 1k
BATTERY CURRENT
(DISCHARGING)
BATTERY VOLTAGE (V)
2.7
0
LOAD
CURRENT
(mA)
20
60
80
100
3.3
3.9
4.2
160
41601 G02
40
3.0
3.6
120
140
VBUS = 5V
1x MODE
BATTERY VOLTAGE (V)
2.7
0
CHARGE
CURRENT
(mA)
100
300
400
500
3.3
3.9
4.2
700
41601 G04
200
3.0
3.6
600
VBUS = 5V
5x MODE
RPROG = 1k
BATTERY VOLTAGE (V)
2.7
CHARGE
CURRENT
(mA)
3.3
3.9
4.2
41601 G05
3.0
3.6
VBUS = 5V
1x MODE
RPROG = 1k
0
20
60
80
100
140
40
120
LOAD CURRENT (mA)
0
CURRENT
(mA)
250
500
1000
750
41601 G06
0
–250
–500
250
500
750
1500
1250
1000
VBUS CURRENT
BATTERY CURRENT
(CHARGING)
VBUS = 5V
BAT = 3.8V
10x MODE
RCLPROG = 3.01k
RPROG = 2k
BATTERY CURRENT
(DISCHARGING)
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