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KF47 数据表(PDF) 7 Page - STMicroelectronics

部件名 KF47
功能描述  VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Download  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

KF47 数据表(HTML) 7 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS FOR KF40 (refer to the test circuits, Tj = 25°C, CI =0.1 µF,
CO =2.2 µF unless otherwise specified.)
ELECTRICAL CHARACTERISTICS FOR KF45 (refer to the test circuits, Tj = 25°C, CI =0.1 µF,
CO =2.2 µF unless otherwise specified.)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO =50 mA, VI =6 V
3.92
4
4.08
V
IO =50 mA, VI =6 V, Ta = -25 to 85°C
3.84
4.16
VI
Operating Input Voltage
IO = 500 mA
20
V
IO
Output Current Limit
1
A
∆V
O
Line Regulation
VI =5 to 20 V,
IO =5 mA
3
18
mV
∆V
O
Load Regulation
VI =5.3 V,
IO = 5 to 500 mA
2
50
mV
Id
Quiescent Current
VI =5 to 20V, IO = 0mA
(ON MODE)
0.5
1
mA
VI = 5.3 to 20V, IO =500mA
12
VI =6 V
(OFF MODE)
50
100
µA
SVR
Supply Voltage Rejection
IO =5mA
VI =6 ± 1 V
f = 120 Hz
78
dB
f= 1KHz
73
f= 10 KHz
60
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd
Dropout Voltage
IO = 200 mA
0.2
0.35
V
IO = 500 mA
0.4
0.7
VIL
Control Input Logic Low
Ta = -40 to 125°C
0.8
V
VIH
Control Input Logic High
Ta = -40 to 125°C
2
V
II
Control Input Current
VI =6 V,
VC =6V
10
µA
CO
Output Bypass Capacitance ESR = 0.1 to 10
IO = 0 to 500 mA
2
10
µF
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
IO =50 mA, VI = 6.5 V
4.41
4.5
4.59
V
IO =50 mA, VI =6.5 V, Ta = -25 to 85°C
4.32
4.68
VI
Operating Input Voltage
IO = 500 mA
20
V
IO
Output Current Limit
1
A
∆V
O
Line Regulation
VI = 5.5 to 20 V,
IO =5 mA
3
18
mV
∆V
O
Load Regulation
VI =5.8 V,
IO = 5 to 500 mA
2
50
mV
Id
Quiescent Current
VI = 5.5 to 20V, IO = 0mA
(ON MODE)
0.5
1
mA
VI = 5.8 to 20V, IO =500mA
12
VI =6 V
(OFF MODE)
50
100
µA
SVR
Supply Voltage Rejection
IO =5mA
VI =6.5 ± 1 V
f = 120 Hz
77
dB
f= 1KHz
72
f= 10 KHz
60
eN
Output Noise Voltage
B = 10 Hz to 100 KHz
50
µV
Vd
Dropout Voltage
IO = 200 mA
0.2
0.35
V
IO = 500 mA
0.4
0.7
VIL
Control Input Logic Low
Ta = -40 to 125°C
0.8
V
VIH
Control Input Logic High
Ta = -40 to 125°C
2
V
II
Control Input Current
VI =6 V,
VC =6V
10
µA
CO
Output Bypass Capacitance ESR = 0.1 to 10
IO = 0 to 500 mA
2
10
µF


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