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参数资料
| 型号： | LTC4056ETS8-4.2#TR |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC CHARGR BATTERY L-ION TSOT23-8 |
| 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： | 4.5 V ~ 6.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 供应商设备封装： | TSOT-23-8 |
| 包装： | 带卷 (TR) |
| 其它名称： | LTC4056ETS8-4.2TR |
LTC4056-4.2
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V CC = 5V.
SYMBOL
? V RECHRG
PARAMETER
Recharge Threshold Voltage
CONDITIONS
V FLOAT – V RECHRG , V BAT > V TRIKL ,
MIN
100
TYP
150
MAX
200
UNITS
mV
Charge Termination Timer Expired
T TIMER
TIMER/SHDN Accuracy
C TIMER = 1 μ F R PROG = 1.43k
q
10
12
%
Charger Manual Control
V MSDT
V MSHYS
I SHDN
Manual Shutdown Threshold Voltage
Manual Shutdown Hysteresis Voltage
TIMER/SHDN Pin Pull-up Current
V TIMER/SHDN Increasing
V TIMER/SHDN Decreasing
V TIMER/SHDN = 0V
q
0.6
50
– 10
0.82
75
–7
1
125
–4
V
mV
μ A
Protection
I DSHRT
Drive Output Short-Circuit Current Limit
V DRIVE = V CC
q
30
65
130
mA
I PSHRT
PROG Pin Short-Circuit Current Limit
V PROG = 0V
1.4
mA
Status Output
I CHRG
V CHRG
CHRG Pin Weak Pull-Down Current
CHRG Output Low Voltage
V CHRG = 1V, V TIMER/SHDN = 0V
I CHRG = 10mA
q
6
12
0.2
18
0.4
μ A
V
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: The LTC4056E is guaranteed to meet performance specifications
from 0 ° C to 70 ° C ambient temperature range. Specifications over the
– 40 ° C to 85 ° C operating ambient temperature range are assured by
design, characterization and correlation with statistical process controls.
Note 4: Assumes that the external PNP pass transistor has negligible B-C
reverse-leakage current when the collector is biased at 4.2V (V BAT ) and the
base is biased at 5V (V CC ).
Note 5: Assumes that the external PNP pass transistor has negligible B-E
reverse-leakage current when the emitter is biased at 0V (V CC ) and the
base is biased at 4.2V (V BAT ).
Note 3: Although the LTC4056 will operate with input voltages as low as
4.5V, charging will not begin until V CC exceeds V UVCL .
TYPICAL PERFOR A CE CHARACTERISTICS
Float Voltage vs Temperature and
Supply Voltage
Float Voltage vs I BAT
I BAT vs Temperature and
Supply Voltage
4.215
4.210
I BAT = 10mA
PNP = FZT749
4.202
V CC = 5V
T A = 25 ° C
PNP = FZT749
220
R PROG = 4.53k
215 PNP = FZT749
4.201 R PROG = 1.30k
210
4.205
205
V CC = 6.5V
4.200
4.195
V CC = 4.75V
V CC = 6.5V
4.200
200
195
V CC = 4.75V
4.190
4.199
190
185
4.185
–50 –25
0
25
50
75
100
125
4.198
0
100
200
300
400
500
600
700
180
– 50 – 25
0
25
50
75
100
125
TEMPERATURE ( ° C)
4056-4.2 G01
I BAT (mA)
4056-4.2 G02
TEMPERATURE ( ° C)
4056-4.2 G03
405642f
3
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相关代理商/技术参数 |
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| LTC4057 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT |
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| LTC4057ES5-4.2#TR | 功能描述:IC CHARGR BATTERY L-ION TSOT23-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 电池管理 系列:- 标准包装:61 系列:- 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:22-WFDFN 裸露焊盘 供应商设备封装:22-DFN（6x3）裸露焊盘 包装:管件 |
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