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參數(shù)資料
| 型號： | LF55 |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Very Low Drop Voltage Regulator with Inhabit(帶禁止的低壓差電壓穩(wěn)壓器) |
| 中文描述： | 非常低壓降穩(wěn)壓器與寓于（帶禁止的低壓差電壓穩(wěn)壓器） |
| 文件頁數(shù)： | 21/31頁 |
| 文件大小： | 277K |
| 代理商： | LF55 |
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ELECTRICALCHARACTERISTICS FOR LF120AB
(referto the test circuits, T
j
= 25
o
C,
C
i
= 0.1
μ
F, C
o
= 2.2
μ
F unless otherwise specified)
Symbol
Parameter
V
o
OutputVoltage
I
o
= 50 mA, V
i
= 15 V
I
o
= 50 mA, V
i
= 15 V -25<T
a
<85
o
C
V
i
Operating Input Voltage
I
o
= 500 mA
I
out
OutputCurrent Limit
V
o
LineRegulation
V
i
= 13to 16 V,
V
o
Load Regulation
V
i
= 13.3V
I
d
Quiescent Current
ON MODE
V
i
= 13to 16 V I
o
= 0 mA
V
i
= 13.3to 16V
OFF MODE V
i
= 13 V
SVR
Supply Voltage Rejection
I
o
= 5 mA V
i
= 14 V
±
1V
f = 120Hz
f = 1KHz
f = 10KHz
eN
OutputNoise Voltage
B = 10Hz to 100KHz
V
d
Dropout Voltage
I
o
= 200 mA
I
o
= 500 mA
V
il
Control Input Logic Low
-40< T
a
< 125
o
C
V
ih
Control Input Logic High
-40< T
a
< 125
o
C
I
i
Control Input Current
V
i
= 13V,
C
O
OutputBypass Capacitance
ESR = 0.1to 10
I
o
= 0 to 500mA
Test Conditions
Min.
11.880
11.760
Typ.
12
Max.
12.120
12.240
16
Unit
V
V
V
A
mV
mV
1
I
o
= 5mA
I
o
= 5 to 500mA
12
12
60
60
I
o
= 500 mA
0.7
1.5
12
140
mA
mA
μ
A
70
69
64
54
50
0.2
0.4
dB
dB
dB
μ
V
V
V
V
V
μ
A
μ
F
0.35
0.7
0.8
2
V
c
=6 V
10
10
2
ELECTRICALCHARACTERISTICS FOR LF120C
(refer to thetestcircuits, T
j
= 25
o
C,
C
i
= 0.1
μ
F, C
o
= 2.2
μ
F unless otherwise specified)
Symbol
Parameter
V
o
OutputVoltage
I
o
= 50 mA, V
i
= 14 V
I
o
= 50 mA, V
i
= 14 V -25<T
a
<85
o
C
V
i
Operating Input Voltage
I
o
= 500 mA
I
out
OutputCurrent Limit
V
o
LineRegulation
V
i
= 13to 16 V,
V
o
Load Regulation
V
i
= 13.3V
I
d
Quiescent Current
ON MODE
V
i
= 13to 16 V I
o
= 0 mA
V
i
= 13.3to 16V
OFF MODE V
i
= 13 V
SVR
Supply Voltage Rejection
I
o
= 5 mA V
i
= 14 V
±
1V
f = 120Hz
f = 1KHz
f = 10KHz
eN
OutputNoise Voltage
B = 10Hz to 100KHz
V
d
Dropout Voltage
I
o
= 200 mA
I
o
= 500 mA
V
il
Control Input Logic Low
-40< T
a
< 125
o
C
V
ih
Control Input Logic High
-40< T
a
< 125
o
C
I
i
Control Input Current
V
i
= 13V,
C
O
OutputBypass Capacitance
ESR = 0.1to 10
I
o
= 0 to 500mA
Test Conditions
Min.
11.76
11.52
Typ.
12
Max.
12.24
12.48
16
Unit
V
V
V
A
mV
mV
1
I
o
= 5mA
I
o
= 5 to 500mA
12
12
60
60
I
o
= 500 mA
0.7
1.5
12
140
mA
mA
μ
A
70
69
64
54
50
0.2
0.4
dB
dB
dB
μ
V
V
V
V
V
μ
A
μ
F
0.35
0.7
0.8
2
V
c
=6 V
10
10
2
LF00AB/C
21/31
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