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What is KA78L12?

This electronic component, produced by the manufacturer "Fairchild", performs the same function as "3-terminal 0.1A positive voltage regulator".


KA78L12 Datasheet PDF - Fairchild

Part Number KA78L12
Description 3-terminal 0.1A positive voltage regulator
Manufacturers Fairchild　
Logo Fairchild Logo　


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KA78LXXA
3-terminal 0.1A positive voltage regulator
www.fairchildsemi.com
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 KA78LXX series of fixed voltage monolithic integrated
circuit voltage regulators are suitable for application that
required supply current up to 100mA.
TO-92
1
1: Output 2: GND 3: Input
8-SOP
1
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
©2000 Fairchild Semiconductor International
RSC
OVu0 tput
1
Rev. 5.0

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KA78L12 equivalent
KA78LXXA
Electrical Characteristics(KA78L09A)
(VI = 15V, IO = 40mA, 0 °C ≤ TJ ≤ 125 °C, CI = 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
Parameter
Output Voltage
Line Regulation
Symbol
VO
∆VO
Conditions
TJ = 25 °C
TJ = 25 °C
11.5V ≤ VI ≤ 24V
13V ≤ VI ≤ 24V
Min. Typ. Max.
8.64 9.0 9.36
- 90 200
- 100 150
Unit
V
mV
mV
Load Regulation
∆VO TJ = 25 °C
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
-
-
20 90
10 45
mV
mV
11.5V ≤ VI ≤ 24V 1mA ≤ IO ≤ 40mA 8.55 - 9.45 V
Output Voltage
VO
11.5V ≤ VI ≤
VMAX (Note 2)
1mA ≤ IO ≤ 70mA
8.55
-
9.45
V
Quiescent Current
IQ TJ = 25 °C
- 2.1 6.0 mA
Quiescent Current with line
∆IQ 13V ≤ VI ≤ 24V
Change
with load ∆IQ 1mA ≤ IO ≤ 40mA
- - 1.5 mA
- - 0.1 mA
Output Noise Voltage
VN TA = 25 °C, 10Hz ≤ f ≤ 100KHz
- 70 -
µV
Temperature Coefficient of VO ∆VO/∆T IO = 5mA
- -0.9 - mV/ °C
Ripple Rejection
RR f = 120Hz, 12V ≤ VI ≤ 22V, TJ = 25 °C 38 44 -
dB
Dropout Voltage
VD TJ = 25 °C
- 1.7 -
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 ≤ 0.75W.
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for KA78L12 electronic component.


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