參數(shù)資料
型號(hào)： KF50
廠商： 意法半導(dǎo)體
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Very Low Drop Voltage Regulators with Inhibit(帶禁止低壓差電壓穩(wěn)壓器)
中文描述： 非常低壓降穩(wěn)壓器與抑制（帶禁止低壓差電壓穩(wěn)壓器）
文件頁數(shù)： 5/16頁
文件大?。?/td> 148K
代理商： KF50
ELECTRICALCHARACTERISTICS FOR KF25
(refer to 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
Output Voltage
I
o
= 50 mA, V
i
= 4.5 V
I
o
= 50 mA, V
i
= 4.5 V -25<T
a
<85
o
C
V
i
Operating Input Voltage
I
o
= 500 mA
I
out
Output Current Limit
V
o
Line Regulation
V
i
= 3.5 to 20 V, I
o
= 5 mA
V
o
Load Regulation
V
i
= 3.8 V
I
d
Quiescent Current
ON MODE
V
i
= 3.5 to 20 V
V
i
= 3.8 to 20 V
OFF MODE V
i
= 6 V
SVR
Supply Voltage Rejection
I
o
= 5 mA V
i
= 4.5 V
±
1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
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
= 6 V,
C
O
Output Bypass Capacitance
ESR = 0.1 to 10
Test Conditions
Min.
2.45
2.4
Typ.
2.5
Max.
2.55
2.6
20
Unit
V
V
V
A
mV
mV
1
2
2
12
50
I
o
= 5 to 500 mA
I
o
= 0 mA
I
o
= 500 mA
0.5
1
12
100
mA
mA
μ
A
50
82
77
60
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
I
o
= 0 to 500 mA
2
ELECTRICALCHARACTERISTICS FOR KF27
(refer to 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
Output Voltage
I
o
= 50 mA, V
i
= 4.7 V
I
o
= 50 mA, V
i
= 4.7 V -25<T
a
<85
o
C
V
i
Operating Input Voltage
I
o
= 500 mA
I
out
Output Current Limit
V
o
Line Regulation
V
i
= 3.7 to 20 V, I
o
= 5 mA
V
o
Load Regulation
V
i
= 4 V
I
d
Quiescent Current
ON MODE
V
i
= 3.7 to 20 V
V
i
= 4 to 20 V
OFF MODE V
i
= 6 V
SVR
Supply Voltage Rejection
I
o
= 5 mA V
i
= 4.7 V
±
1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
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
= 6 V,
C
O
Output Bypass Capacitance
ESR = 0.1 to 10
Test Conditions
Min.
2.646
2.592
Typ.
2.7
Max.
2.754
2.808
20
Unit
V
V
V
A
mV
mV
1
2
2
12
50
I
o
= 5 to 500 mA
I
o
= 0 mA
I
o
= 500 mA
0.5
1
12
100
mA
mA
μ
A
50
82
77
60
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
I
o
= 0 to 500 mA
2
KF00
5/16
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