![](http://datasheet.mmic.net.cn/300000/KF85BDTR_datasheet_16197712/KF85BDTR_3.png)
KF00
3/17
TEST CIRCUITS
ELECTRICAL CHARACTERISTICS FOR KF12
(refer to the test circuits, T
j
= 25°C, C
I
= 0.1 μF,
C
O
= 2.2
μ
F unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
O
Output Voltage
I
O
= 50 mA, V
I
= 3.3 V
I
O
= 50 mA, V
I
= 3.3 V, T
a
= -25 to 85°C
I
O
= 500 mA
1.225
1.2
2.5
1.25
1.275
1.3
20
V
V
I
I
O
Operating Input Voltage
Output Current Limit
Line Regulation
Load Regulation
Quiescent Current
V
A
1
2
2
V
O
V
O
I
d
V
I
= 2.5 to 20 V,
V
I
= 2.8 V,
V
I
= 2.5 to 20V, I
O
= 0mA
V
I
= 2.6 to 20V, I
O
= 500mA
V
I
= 6 V
I
O
= 5 mA
V
I
= 3.5 ± 1 V
I
O
= 5 mA
I
O
= 5 to 500 mA
12
50
1
12
100
mV
mV
mA
(ON MODE)
0.5
(OFF MODE)
f = 120 Hz
f = 1 KHz
f = 10 KHz
50
82
77
60
50
1.25
μA
dB
SVR
Supply Voltage Rejection
eN
V
d
V
IL
V
IH
I
I
C
O
Output Noise Voltage
Dropout Voltage
Control Input Logic Low
Control Input Logic High
Control Input Current
Output Bypass Capacitance ESR = 0.1 to 10
B = 10 Hz to 100 KHz
I
O
= 200 mA
T
a
= -40 to 125°C
T
a
= -40 to 125°C
V
I
= 6 V,
μV
V
V
V
μA
μF
0.8
2
V
C
= 6 V
10
10
I
O
= 0 to 500 mA
2