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KA78L12AZ Schematic ( PDF Datasheet ) - Fairchild

Teilenummer KA78L12AZ
Beschreibung 3-terminal 0.1A positive voltage regulator
Hersteller Fairchild
Logo Fairchild Logo 



Gesamt 16 Seiten
		
KA78L12AZ Datasheet, Funktion
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






KA78L12AZ Datasheet, Funktion
KA78LXXA
Electrical Characteristics(KA78L10A)
(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
Symbol
VO
VO
Conditions
TJ = 25 °C
TJ = 25 °C
12.5 < VI < 25V
14V VI 25V
Min.
9.6
-
Typ.
10.0
100
Max.
10.4
220
- 100 170
Unit
V
mV
mV
Load Regulation
Output Voltage
Quiescent Current
Quiescent Current with line
Change
with load
Output Noise Voltage
Temperature Coefficient of VO
Ripple Rejection
Dropout Voltage
VO
VO
IQ
IQ
IQ
VN
VO/T
RR
VD
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
-
-
9.5
9.5
-
-
-
-
-
-
38
-
20 94
10 47
- 10.5
- 10.5
mV
mV
V
- 6.0
4.2 6.5
mA
- 1.5 mA
- 0.1 mA
74 -
µV
0.95 - mV/ °C
43 -
dB
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.
6

6 Page







KA78L12AZ pdf, datenblatt
KA78LXXA
Mechanical Dimensions
Package
4.58
+0.25
–0.15
TO-92
0.46 ±0.10
1.27TYP
[1.27 ±0.20]
1.27TYP
[1.27 ±0.20]
3.60 ±0.20
(R2.29)
12
0.38
+0.10
–0.05

12 Page


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