KA78LXXA/KA78L05AA
Electrical Characteristics(KA78L18A) (Continued)
(VI = 27V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33 μF, CO = 0.1μF, unless otherwise specified. (Note1)
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Output Voltage
Quiescent Current
Quiescent Current
Change
With Line
With Load
Output Noise Voltage
Temperature Coefficient of VO
Ripple Rejection
Dropout Voltage
Symbol
VO
ΔVO
ΔVO
VO
IQ
ΔIQ
ΔIQ
VN
ΔVO/ΔT
RR
VD
Conditions
Min. Typ. Max. Unit
TJ = 25°C
17.3 18 18.7 V
TJ = 25°C
21V ≤ VI ≤ 33V
22V ≤ VI ≤ 33V
- 145 300 mV
- 135 250 mV
TJ = 25°C
1mA ≤ IO≤100mA
1mA ≤ IO ≤ 40mA
- 30 170 mV
- 15 85 mV
21V ≤ VI ≤ 33V 1mA ≤ IO ≤ 40mA 17.1 - 18.9 V
21V ≤ VI ≤
VMAX (Note 2)
1mA ≤ IO ≤ 70mA
17.1
-
18.9
V
TJ = 25°C
- 2.2 6.0 mA
21V ≤ VI ≤ 33V
- - 1.5 mA
1mA ≤ IO ≤ 40mA
- - 0.1 mA
TA = 25°C, 10Hz ≤ f ≤ 100kHz
- 150 - μV/Vo
IO = 5mA
- -1.8 - mV/°C
f = 120Hz, 23V ≤ VI ≤ 33V, TJ = 25°C 34 48 -
dB
TJ = 25°C
- 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.
9