参数资料
型号: LTC2941IDCB-1#TRMPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: POWER SUPPLY SUPPORT CKT, PDSO6
封装: 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6
文件页数: 11/16页
文件大小: 206K
代理商: LTC2941IDCB-1#TRMPBF
LTC2941-1
29411f
Typical perFormance characTerisTics
Total Charge Error
vs Sense Current
Total Charge Error
vs Supply Voltage
Total Charge Error vs Temperature
Supply Current vs Supply Voltage
Shutdown Supply Current
vs Supply Voltage
|ISENSE| (mA)
1
–0.50
CHARGE
ERROR
(%)
0
–0.25
–0.75
0.25
0.50
10
100
1000
29411 G01
–1.00
1.00
0.75
VSENSE+ = 2.7V
VSENSE+ = 4.2V
VSENSE+ (V)
2.5
I SUPPLY
(A)
80
90
100
4.0
5.0
29411 G04
70
60
3.0
3.5
4.5
5.5
6.0
50
40
TA = 25°C
TA = –40°C
TA = 85°C
VSENSE+ (V)
2.5
0
I SHUTDOWN
(A)
1.0
2.0
3.5
4.5
5.0
29411 G05
0.5
1.5
3.0
4.0
5.5
6.0
TA = 25°C
TA = –40°C
TA = 85°C
Sense Resistor Stability
VSENSE+ (V)
2.5
–1.0
CHARGE
ERROR
(%)
–0.8
–0.4
–0.2
0
1.0
0.4
3.5
4.5
5
29411 G02
–0.6
0.6
0.8
0.2
3
4
5.5
6
|ISENSE| = 1A
|ISENSE| = 200mA
TEMPERATURE (°C)
–50
CHARGE
ERROR
(%)
–0.25
0
0.25
25
75
24911 G03
–0.50
–0.75
–1.00
–25
0
50
0.50
0.75
1.00
100
+50ppm/K
OPTIMUM
–50ppm/K
TEMPERATURE
COMPENSATION
TRIM DEVIATION
|ISENSE| = 200mA
kHOURS
–3.0
R/R
O(%)
–2.0
–1.0
0
–2.5
–1.5
–0.5
10
20
30
40
29411 G06
50
0
ACCELERATED LOAD LIFE TEST
DATA SCALED TO TAMB = 85°C,
ISENSE = 1A CONDITIONS
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