KA78L18A View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
KA78L18A Datasheet PDF : 17 Pages
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KA78LXXA/KA78L05AA
Absolute Maximum Ratings
Parameter
Input Voltage (for VO = 5V, 8V)
(for VO = 12V to 18V)
(for VO = 24V
Operating Junction Temperature Range
Storage Temperature Range
Thermal Resistance Junction-Case
TO-92
Thermal Resistance Junction-Air
TO-92
SOT-89
8-SOP
Symbol
VI
TJ
TSTG
RθJC
RθJA
Value
30
35
40
0 ~ +150
-65 ~ +150
50
150
225
160
Unit
V
V
V
°C
°C
°C/W
°C/W
°C/W
°C/W
Electrical Characteristics(KA78L05A)
(VI = 10V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33μF, CO = 0.1μF, unless otherwise specified. (Note1)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Symbol
VO
ΔVO
ΔVO
Output Voltage
VO
Quiescent Current
IQ
Quiescent Current With Line ΔIQ
Change
With Load ΔIQ
Output Noise Voltage
VN
Temperature Coefficient of VO ΔVO/ΔT
Ripple Rejection
RR
Dropout Voltage
VD
Conditions
TJ = 25°C
TJ = 25°C
7V ≤ VI ≤ 20V
8V ≤ VI ≤ 20V
TJ = 25°C
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
7V ≤ VI ≤ 20V 1mA ≤ IO ≤ 40mA
7V ≤VI ≤ VMAX
(Note2)
1mA ≤ IO ≤ 70mA
TJ = 25°C
8V ≤VI ≤ 20V
1mA ≤ IO ≤ 40 mA
TA = 25°C, 10Hz ≤ f ≤ 100kHz
IO = 5mA
f = 120Hz, 8V ≤ VI ≤ 18V, TJ = 25°C
TJ = 25°C
Min. Typ. Max. Unit
4.8 5.0 5.2 V
-
8 150 mV
-
6 100 mV
- 11 60 mV
- 5.0 30 mV
-
- 5.25 V
4.75 - 5.25 V
- 2.0 5.5 mA
-
- 1.5 mA
-
- 0.1 mA
- 40 - μV/Vo
- -0.65 - mV/°C
41 80 -
dB
- 1.7 -
V
Note:
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.
2
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