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參數(shù)資料
| 型號： | LP2951H |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 400 W Transient Voltage Suppressor, SOD123W (SOD2 FlatPower), Reel Pack, SMD |
| 中文描述： | FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.45 V DROPOUT, MBCY8 |
| 封裝： | METAL CAN-8 |
| 文件頁數(shù)： | 5/16頁 |
| 文件大?。?/td> | 285K |
| 代理商： | LP2951H |
MJLP2951-X REV 1B1
MICROCIRCUIT DATA SHEET
Electrical Characteristics
DC PARAMETERS(Continued)
(The following conditions apply to all the following parameters, unless otherwise specified.)
DC:
Vout = 5V (Nominal), Cload = 3.3uF, Vsd = 0.6V, Vin = 6V, Il = -100uA
SYMBOL
PARAMETER
CONDITIONS
NOTES
PIN-
NAME
MIN
MAX
UNIT
SUB-
GROUPS
Igsc
Ground Current At
Current Limit
Vout = 0V, Vin = 6V
20
mA
1
25
mA
2, 3
Vref
Reference Voltage
1.22
1.25
V
1
1.20
1.26
V
2, 3
Vrline
Reference Voltage
Line Regulation
2.3V < Vin < 30V
-1.9
1.9
mV
1
2.3V < Vin < 30V
-10
10
mV
2, 3
Vrload
Reference Voltage
Output Regulation
1.2V < Vout < 29V, Vin = 30V
-1.2
1.2
mV
1
1.2V < Vout < 29V, Vin = 30V
-5
5
mV
2, 3
Ifb
Feedback Pin Bias
Current
40
nA
1
60
nA
2, 3
Ioh
Error Comparator
Output Leakage
Current
Vo = 30V
1
uA
1
2
uA
2, 3
Vol
Error Comparator
Output Low
Voltage
Vin = 4.5V, Vsd = 2V
250
mV
1
400
mV
2, 3
Isd
Shutdown Pin
Input Current
Vsd = 2.4V
50
uA
1
100
uA
2, 3
Vsd = 30V
600
uA
1
750
uA
2, 3
Vsdl
Shutdown Input
Logic Voltage
(LOW)
1
0.6
V
1, 2,
3
Vsdh
Shutdown Input
Logic Voltage
(HIGH)
1
2
V
1, 2,
3
Ilkg
Regular Output
Bias Current In
Shutdown
Vsd = 2V, Vin = 30V, Il = 0mA
-10
10
uA
1
-20
20
uA
2, 3
AC PARAMETERS
(The following conditions apply to all the following parameters, unless otherwise specified.)
AC:
Vin = 6V, Cload = 3.3uF, Vsd = 0.6V
Rr
Ripple Rejection
f = 120Hz, Vin = 0.1Vrms
50
dB
4
Vnoise
Output Noise
C1 = 1uF
600
uVrms 7
C1 = 3.3uF
250
uVrms 7
5
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