参数资料
型号: LTC4056ETS8-4.2#TRPBF
厂商: Linear Technology
文件页数: 4/16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)
LTC4056-4.2
TYPICAL PERFOR A CE CHARACTERISTICS
I BAT vs Temperature and
Supply Voltage
I BAT vs V BAT
Timer Error vs Temperature
R PROG
1.30k
730
720
710
700
690
R PROG = 1.30k
PNP = FZT749
V CC = 6.5V
V CC = 4.75V
800
V CC = 5V
700 T A = 25 ° C
PNP = FZT749
600
500
BAT PIN MUST BE
DISCONNECTED
400
AND SET BETWEEN
2.9V AND 4.2V TO
300
FORCE CC MODE
IN THIS AREA
200
R PROG
4.53k
5
4
3
2
1
0
–1
–2
V CC = 5V
R PROG = 1.43k
680
100
–3
–4
670
–50
–25
0 25 50
TEMPERATURE ( ° C)
75
100
0
0
1
2 3
V BAT (V)
4
5
–5
–50 –25
0 25 50 75
TEMPERATURE ( ° C)
100
125
4056-4.2 G04
TIMER/SHDN Pin Pull-Up Current
vs Temperature and Supply Voltage
4056-4.2 G05
CHRG Pin Weak Pull-Down Current
vs Temperature and V CHRG
4056-4.2 G06
12
V TIMER/SHDN = 0V
20
V TIMER/SHDN = 0V
V CC = 5V
10
8
V CC = 6.5V
15
6
4
2
V CC = 4.75 V
10
V CHRG = 6.5V
V CHRG = 1V
0
–50 –25
0
25
50
75
100
125
5
–50
–25
0 25 50
75
100
125
TEMPERATURE ( ° C)
4056-4.2 G07
CHRG Pin Output Low Voltage
vs Temperature
TEMPERATURE ( ° C)
PROG Pin Voltage
vs Temperature and R PROG
4056-4.2 G08
0.40
V BAT = 0V
I CHRG = 10mA
1.0050
V CC = 5V
V CC = 5V
0.35
0.30
0.25
1.0025
1.0000
0.9975
R PROG = 4.53k
R PROG = 1.30k
0.20
–50
–25
0 25 50
75
100
0.9950
–50
–25
0 25 50
75
100
125
TEMPERATURE ( ° C)
4056-4.2 G09
TEMPERATURE ( ° C)
4056-4.2 G10
405642f
4
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