参数资料
型号: LTC4053EDD-4.2#TRPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC CHARGER BATTERY USB 10-DFN
标准包装: 2,500
功能: 充电管理
电池化学: 锂离子(Li-Ion)
电源电压: 4.25 V ~ 6.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LTC4053-4.2
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V CC = 5V
SYMBOL
V PROG
I CHRG
V CHRG
V ACPR
V FAULT
I C/10
t TIMER
V RECHRG
V NTC-HOT
PARAMETER
PROG Pin Voltage
CHRG Pin Weak Pulldown Current
CHRG Pin Output Low Voltage
ACPR Pin Output Low Voltage
FAULT Pin Output Low Voltage
End of Charge Indication Current Level
TIMER Accuracy
Recharge Battery Voltage Threshold
NTC Pin Hot Threshold Voltage
CONDITIONS
R PROG = 3k, I PROG = 500 μ A
V CHRG = 1V
I CHRG = 5mA
I ACPR = 5mA
I FAULT = 5mA
R PROG = 3k
C TIMER = 0.1 μ F
Battery Voltage Falling
V NTC Falling
MIN
15
44
TYP
1.5
30
0.35
0.35
0.35
50
10
4.035
2.5
MAX
50
0.6
0.6
0.6
56
UNITS
V
μ A
V
V
V
mA
%
V
V
V HOT-HYS
NTC Pin Hot Hysteresis Voltage
80
mV
V NTC-COLD
V COLD-HYS
V NTC-DIS
V DIS-HYS
T LIM
NTC Pin Cold Threshold Voltage
NTC Pin Cold Hystersis Voltage
NTC Pin Disable Threshold Voltage
NTC Pin Disable Hystersis Voltage
Junction Temperature in
V NTC Rising
V NTC Rising
4.375
80
100
10
105
V
mV
mV
mV
° C
Constant-Temperature Mode
R ON
Power MOSFET “ON” Resistance
375
m ?
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The Absolute Maximum BAT Current Rating of 1.3A is guaranteed
by design and current density calculations. The Absolute Maximum PROG
Current Rating is guaranteed to be 1/1000 of BAT current rating by design.
Note 3: The LTC4053E is guaranteed to meet performance specifications
from 0 ° C to 70 ° C. Specifications over the –40 ° C to 85 ° C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 4: Failure to solder the exposed backside of the package to the PC
board will result in a thermal resistance much higher than 40 ° C/W.
Note 5: Supply current includes PROG pin current (approximately 50 μ A)
but does not include any current delivered to the battery through the BAT
pin (approximately 50mA).
4053fa
3
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