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PDF KF35 Data sheet ( Hoja de datos )

Número de pieza KF35
Descripción VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Fabricantes STMicroelectronics 
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No Preview Available ! KF35 Hoja de datos, Descripción, Manual

KF00
® SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT
s VERY LOW DROPOUT VOLTAGE (0.4V)
s VERY LOW QUIESCENT CURRENT
(TYP. 50 µA IN OFF MODE, 500µA IN ON
MODE)
s OUTPUT CURRENT UP TO 500 mA
s LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
s OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 2.7;
3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 8.5;
12V
s INTERNAL CURRENT AND THERMAL LIMIT
s ONLY 2.2µF FOR STABILITY
s AVAILABLE IN ± 2% ACCURACY AT 25 oC
s SUPPLY VOLTAGE REJECTION: 70 db
(TYP.)
s TEMPERATURE RANGE: -40 TO 125 oC
DESCRIPTION
The KF00 series are very Low Drop regulators
available in SO-8 package and in a wide range of
output voltages.
The very Low Drop voltage (0.4V) and the very
low quiescent current make them particularly
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
SO-8
3
1
DPAK
A Shutdown Logic Control function is available
(pin 5, TTL compatible). This means that when
the device is used as a local regulator, it is
possible to put a part of the board in standby,
decreasing the total power consumption. It
requires only a 2.2 µF capacitor for stability
allowing space and cost saving.
SCHEMATIC DIAGRAM
June 1998
1/16

1 page




KF35 pdf
KF00
ELECTRICAL CHARACTERISTICS FOR KF25 (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
S ymb ol
P a ram et er
T est Con ditio ns
Min . T yp.
Vo Output Voltage
Io = 50 mA, Vi = 4.5 V
2.45
Io = 50 mA, Vi = 4.5 V -25<Ta<85 oC 2.4
2.5
Vi Operating Input Voltage
Io = 500 mA
Iout Output Current Limit
1
Vo Line Regulation
Vi = 3.5 to 20 V, Io = 5 mA
2
Vo Load Regulation
Vi = 3.8 V
Io = 5 to 500 mA
2
Id Quiescent Current
ON MODE
Vi = 3.5 to 20 V Io = 0 mA
Vi = 3.8 to 20 V Io = 500 mA
0.5
OFF MODE Vi = 6 V
50
SVR Supply Voltage Rejection
Io = 5 mA Vi = 4.5 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
82
77
60
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Io = 200 mA
Io = 500 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
0.2
0.4
2
Ii Control Input Current
Vi = 6 V, Vc = 6 V
10
CO Output Bypass Capacitance ESR = 0.1 to 10 Io = 0 to 500 mA 2
10
Max.
2.55
2.6
20
12
50
1
12
100
0.35
0.7
0.8
Unit
V
V
V
A
mV
mV
mA
mA
µA
dB
dB
dB
µV
V
V
V
V
µA
µF
ELECTRICAL CHARACTERISTICS FOR KF27 (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
S ymb ol
P a ram et er
T est Con ditio ns
Min . T yp.
Vo Output Voltage
Io = 50 mA, Vi = 4.7 V
2.646
Io = 50 mA, Vi = 4.7 V -25<Ta<85 oC 2.592
2.7
Vi Operating Input Voltage
Io = 500 mA
Iout Output Current Limit
Vo Line Regulation
Vo Load Regulation
Vi = 3.7 to 20 V, Io = 5 mA
Vi = 4 V
Io = 5 to 500 mA
1
2
2
Id Quiescent Current
ON MODE
Vi = 3.7 to 20 V Io = 0 mA
Vi = 4 to 20 V Io = 500 mA
0.5
OFF MODE Vi = 6 V
50
SVR Supply Voltage Rejection
Io = 5 mA Vi = 4.7 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
82
77
60
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Ii Control Input Current
Io = 200 mA
Io = 500 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
Vi = 6 V, Vc = 6 V
0.2
0.4
2
10
CO Output Bypass Capacitance ESR = 0.1 to 10 Io = 0 to 500 mA 2
10
Max.
2. 754
2. 808
20
12
50
1
12
100
0.35
0.7
0.8
Unit
V
V
V
A
mV
mV
mA
mA
µA
dB
dB
dB
µV
V
V
V
V
µA
µF
5/16

5 Page





KF35 arduino
KF00
ELECTRICAL CHARACTERISTICS FOR KF80B (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
S ymb ol
P a ram et er
T est Con ditio ns
Min . T yp.
Vo Output Voltage
Io = 50 mA, Vi = 10 V
7.84
Io = 50 mA, Vi = 10 V -25<Ta<85 oC 7.68
8
Vi Operating Input Voltage
Io = 500 mA
Iout Output Current Limit
1
Vo Line Regulation
Vi = 9 to 20 V, Io = 5 mA
4
Vo Load Regulation
Vi = 9.3 V
Io = 5 to 500 mA
2
Id Quiescent Current
ON MODE
Vi = 9 to 20 V Io = 0 mA
Vi = 9.3 to 20 V Io = 500 mA
0.7
OFF MODE Vi = 9 V
70
SVR Supply Voltage Rejection
Io = 5 mA Vi =10 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
72
67
60
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Io = 200 mA
Io = 500 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
0.2
0.4
2
Ii Control Input Current
Vi = 9 V, Vc = 6 V
10
CO Output Bypass Capacitance ESR = 0.1 to 10 Io = 0 to 500 mA 2
10
Max.
8.16
8.32
20
24
50
1.5
12
140
0.35
0.7
0.8
Unit
V
V
V
A
mV
mV
mA
mA
µA
dB
dB
dB
µV
V
V
V
V
µA
µF
ELECTRICAL CHARACTERISTICS FOR KF85B (refer to the test circuits, Tj = 25 oC,
Ci = 0.1 µF, Co = 2.2 µF unless otherwise specified)
S ymb ol
P a ram et er
T est Con ditio ns
Min . T yp.
Vo Output Voltage
Io = 50 mA, Vi = 10.5V
8.33
Io = 50 mA, Vi = 10.5V -25<Ta<85 oC 8.16
8.5
Vi Operating Input Voltage
Io = 500 mA
Iout Output Current Limit
Vo Line Regulation
Vo Load Regulation
Vi = 9.5 to 20 V,
Vi = 9.8 V
Io = 5 mA
Io = 5 to 500 mA
1
4
2
Id Quiescent Current
ON MODE
Vi = 9.5 to 20 V
Vi = 9.8 to 20 V
Io = 0 mA
Io = 500 mA
0.7
OFF MODE Vi = 10 V
70
SVR Supply Voltage Rejection
Io = 5 mA Vi = 10.5 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
67
63
53
eN Output Noise Voltage
B = 10 Hz to 100 KHz
50
Vd Dropout Voltage
Vil Control Input Logic Low
Vih Control Input Logic High
Ii Control Input Current
Io = 200 mA
Io = 500 mA
-40 < Ta < 125 oC
-40 < Ta < 125 oC
Vi = 10 V, Vc = 6 V
0.2
0.4
2
10
CO Output Bypass Capacitance ESR = 0.1 to 10 Io = 0 to 500 mA 2
10
Max.
8.67
8.84
20
24
50
1.5
12
140
0.35
0.7
0.8
Unit
V
V
V
A
mV
mV
mA
mA
µA
dB
dB
dB
µV
V
V
V
V
µA
µF
11/16

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