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KA78L12AM Schematic ( PDF Datasheet ) - Fairchild

Teilenummer KA78L12AM
Beschreibung 3-Terminal 0.1A Positive Voltage Regulator
Hersteller Fairchild
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Gesamt 16 Seiten
		
KA78L12AM Datasheet, Funktion
www.fairchildsemi.com
KA78LXXA/KA78L05AA
3-Terminal 0.1A Positive Voltage Regulator
Features
• Maximum Output Current of 100mA
• Output Voltage of 5V, 6V, 8V, 9V,10V, 12V, 15V, 18V and
24V
• Thermal Overload Protection
• Short Circuit Current Limiting
• Output Voltage Offered in ±5% Tolerance
Description
The KA78LXXA/KA78L05AA series of fixed voltage
monolithic integrated circuit voltage regulators are suitable
for application that required supply current up to 100mA.
TO-92
SOT-89
GND
123
123
1. Output 2. GND 3. Input
8-SOP
81
1. Output 2. GND 3. GND 4. NC
5. NC 6. GND 7. GND 8. Input
Internal Block Diagram
InpVuIt
3
I
REFERENCE VOLTAGE
+
-
GND
2
THERMAL SHUTDOWN
CIRCUIT
SHORT CIRCUIT
PROTECTION
©2002 Fairchild Semiconductor Corporation
RSC
OVu0 tput
1
Rev. 1.0.4






KA78L12AM Datasheet, Funktion
KA78LXXA/KA78L05AA
Electrical Characteristics(KA78L10A) (Continued)
(VI = 16V, IO = 40mA, 0 °C TJ 125 °C, CI = 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Output Voltage
Quiescent Current
Quiescent Current with line
Change
with load
Output Noise Voltage
Temperature Coefficient of VO
Ripple Rejection
Dropout Voltage
Symbol
VO
VO
VO
VO
IQ
IQ
IQ
VN
VO/T
RR
VD
Conditions
TJ = 25°C
TJ = 25°C
12.5 VI 25V
14V VI 25V
TJ = 25°C
1mA IO 100mA
1mA IO 70mA
12.5V VI 25V, 1mA IO 40mA
12.5V VI VMAX (Note2)
1mA IO 70mA
TJ = 25°C
TJ =125°C
12.5 VI 25V
1mA IO 40mA
TA = 25°C, 10Hz f 100kHz
IO = 5mA
f = 120Hz, 15V VI 25V, TJ = 25°C
TJ = 25°C
Min.
9.6
-
-
-
-
9.5
9.5
-
-
-
-
-
-
38
-
Typ.
10.0
100
100
20
10
-
-
-
4.2
-
-
74
0.95
43
1.7
Max.
10.4
220
170
94
47
10.5
10.5
6.0
6.5
1.5
0.1
-
-
-
-
Unit
V
mV
mV
mV
mV
V
mA
mA
mA
µV/Vo
mV/ °C
dB
V
Notes:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD 0.75W.
6

6 Page







KA78L12AM pdf, datenblatt
KA78LXXA/KA78L05AA
Typical Application
INPUT
3(8)
C1
0.33 µF
NOTE 2
KA78LXXA
NOTE 1
1(1)
2(2,3,6,7)
OUTPUT
0. 1 µF
NOTE 2
’( )’ : 8SOP Type
Notes:
1. To specify an output voltage, substitute voltage value for “XX”.
2. Bypass Capacitors are recommend for optimum stability and transient response and should be located as close as possible
to the regulator
12

12 Page


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