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KF12 の電気的特性と機能

KF12のメーカーはSTMicroelectronicsです、この部品の機能は「Very Low Drop Voltage Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 KF12
部品説明 Very Low Drop Voltage Regulator
メーカ STMicroelectronics
ロゴ STMicroelectronics ロゴ 




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KF12 Datasheet, KF12 PDF,ピン配置, 機能
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





KF12 pdf, ピン配列
ORDERING NUMBERS
T ype
KF12 (*)
KF15 (*)
KF25
KF27
KF30
KF33
KF35 (*)
KF40
KF45 (*)
KF47
KF50
KF52
KF55 (*)
KF60
KF80
KF85
KF120
(*) Available on request
SO-8
KF12BD
KF15BD
KF25BD
KF27BD
KF30BD
KF33BD
KF35BD
KF40BD
KF45BD
KF47BD
KF50BD
KF52BD
KF55BD
KF60BD
KF80BD
KF85BD
KF120BD
TEST CIRCUITS
DPAK
KF12BDT
KF15BDT
KF25BDT
KF27BDT
KF30BDT
KF33BDT
KF35BDT
KF40BDT
KF45BDT
KF47BDT
KF50BDT
KF52BDT
KF55BDT
KF60BDT
KF80BDT
KF85BDT
KF120BDT
KF00
Output Voltage
1.25 V
1.5 V
2.5 V
2.7 V
3V
3.3 V
3.5 V
4V
4.5 V
4.75 V
5V
5.2 V
5.5 V
6V
8V
8.5V
12 V
3/16


3Pages


KF12 電子部品, 半導体
KF00
ELECTRICAL CHARACTERISTICS FOR KF30 (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 = 5 V
Io = 50 mA, Vi = 5 V -25<T a<85 oC
2.94
2.88
3
Vi Operating Input Voltage
Io = 500 mA
Iout Output Current Limit
1
Vo Line Regulation
Vi = 4 to 20 V, Io = 5 mA
2
Vo Load Regulation
Vi = 4.3 V
Io = 5 to 500 mA
2
Id Quiescent Current
ON MODE
Vi = 4 to 20 V Io = 0 mA
Vi = 4.3 to 20 V Io = 500 mA
0.5
OFF MODE Vi = 6 V
50
SVR Supply Voltage Rejection
Io = 5 mA Vi = 5 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
81
76
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.
3.06
3.12
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 KF33 (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 = 5.3 V
3.234
Io = 50 mA, Vi = 5.3 V -25<Ta<85 oC 3.168
3.3
Vi Operating Input Voltage
Io = 500 mA
Iout Output Current Limit
Vo Line Regulation
Vo Load Regulation
Vi = 4.3 to 20 V,
Vi = 4.6 V
Io = 5 mA
Io = 5 to 500 mA
1
2
2
Id Quiescent Current
ON MODE
Vi = 4.3 to 20 V Io = 0 mA
Vi = 4.6 to 20 V Io = 500 mA
0.5
OFF MODE Vi = 6 V
50
SVR Supply Voltage Rejection
Io = 5 mA Vi = 5.3 V ± 1V
f = 120 Hz
f = 1 KHz
f = 10 KHz
80
75
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.
3. 366
3. 432
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
6/16

6 Page



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