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參數(shù)資料
| 型號： | LTC2942CDCB#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-229, DFN-6 |
| 文件頁數(shù)： | 14/18頁 |
| 文件大?。?/td> | 227K |
| 代理商： | LTC2942CDCB#TRPBF |
LTC2942
5
2942fa
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 Differential
Sense Voltage
Total Charge Error
vs Supply Voltage
Total Charge Error vs Temperature
VSENSE (mV)
0.1
–1
CHARGE
ERROR
(%)
0
–2
2
1
10
100
2942 G01
–3
3
VSENSE+ = 2.7V
VSENSE+ = 4.2V
VSENSE+ (V)
2.5
CHARGE
ERROR
(%)
–1.00
–0.50
–0.25
0
1.00
0.25
3.5
4.5
5.0
2942 G02
–0.75
0.50
0.75
3.0
4.0
5.5
6.0
VSENSE = –50mV
VSENSE = –10mV
TEMPERATURE (°C)
–50
CHARGE
ERROR
(%)
–1.00
–0.50
–0.25
0
0.50
25
50
2942 G03
–0.75
0.75
1.00
0.25
–25
0
75
100
VSENSE = –50mV
VSENSE = –10mV
VSENSE+ (V)
2.5
I SUPPLY
(A)
80
90
100
4.0
5.0
2942 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
2942 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
2942 G08
VSENSE– (V)
2.5
–10
TOTAL
UNADJUSTED
ERROR
(mV)
–8
–4
–2
0
10
4
3.5
4.5
5.0
2942 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
2942 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
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