參數(shù)資料
型號： LTC2942CDCB-1#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PDSO6
封裝： 2 X 3 MM, LEAD FREE, PLASTIC, MO-229TBD, DFN-6
文件頁數(shù)： 12/16頁
文件大?。?/td> 230K
代理商： LTC2942CDCB-1#TRPBF
LTC2942-1
29421f
Typical perFormance characTerisTics
Supply Current vs Supply Voltage
Shutdown Supply Current
vs Supply Voltage
Voltage Measurement ADC
Total Unadjusted Error
Temperature Error vs Temperature
Total Charge Error
vs Sense Current
Total Charge Error
vs Supply Voltage
Total Charge Error vs Temperature
|ISENSE| (mA)
1
–0.50
CHARGE
ERROR
(%)
0
–0.25
–0.75
0.25
0.50
10
100
1000
29421 G01
–1.00
1.00
0.75
VSENSE+ = 2.7V
VSENSE+ = 4.2V
VSENSE+ (V)
2.5
–1.0
CHARGE
ERROR
(%)
–0.8
–0.4
–0.2
0
1.0
0.4
3.5
4.5
5
29421 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
24921 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
VSENSE+ (V)
2.5
I SUPPLY
(A)
80
90
100
4.0
5.0
29421 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
29421 G05
0.5
1.5
3.0
4.0
5.5
6.0
TA = 25°C
TA = –40°C
TA = 85°C
Voltage Measurement ADC
Integral Nonlinearity
TEMPERATURE (°C)
–50
–25
–3
TEMPERA
TURE
ERROR
(°C)
–2
–1
0
1
2
3
0
75
50
25
100
29421 G08
VSENSE– (V)
2.5
–10
TOTAL
UNADJUSTED
ERROR
(mV)
–8
–4
–2
0
10
4
3.5
4.5
5.0
29421 G06
–6
6
8
2
3.0
4.0
5.5
6.0
TA = 25°C
TA = 85°C
TA = –45°C
VSENSE– (V)
2.5
INL
(V
LSB
)
4.0
29421 G07
0
–1.0
3.0
3.5
4.5
1.0
0.5
–0.5
5.0
5.5
6.0
TA = –40°C
TA = 85°C
TA = 25°C
Sense Resistor Stability
kHOURS
–3.0
R/R
O(%)
–2.0
–1.0
0
–2.5
–1.5
–0.5
10
20
30
40
29421 G09
50
0
ACCELERATED LOAD LIFE TEST
DATA SCALED TO TAMB = 85°C,
ISENSE = 1A CONDITIONS
相關(guān)PDF資料
PDF描述
LTC2942IDCB#TRPBF POWER SUPPLY SUPPORT CKT, PDSO6
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