MC78XXE/LM78XXE/MC78XXAE
16
Electrical Characteristics (MC7818AE)
(Continued)
(Refer to the test circuits. 0°C < T
J
< 125°C, I
o
=1A, V
I
= 27V, C
I
=0.33μF, C
O
=0.1μF, unless otherwise specified)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
2. These parameters, although guaranteed, are not 100% tested in production.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
=+25°C 17.64 18 18.36
V
I
O
= 5mA to 1A, P
O
≤15W
V
I
= 21V to 33V
17.3 18 18.7
Line Regulation (Note1)
Regline
V
I
= 21V to 33V, I
O
= 500mA - 15 180
mV
V
I
= 21V to 33V - 5 180
T
J
=+25°C
V
I
= 20.6V to 33V - 15 180
V
I
= 24V to 30V - 5 90
Load Regulation (Note1)
Regload
T
J
=+25°C, I
O
= 5mA to 1.5A - 15 100
mVI
O
= 5mA to 1.0A - 15 100
I
O
= 250mA to 750mA - 7 50
Quiescent Current I
Q
T
J
=+25°C - 5.2 6.0 mA
Quiescent Current Change ΔI
Q
V
I
= 21V to 33V, T
J
=+25°C--0.8
mAV
I
= 21V to 33V, I
O
= 500mA - - 0.8
I
O
= 5mA to 1.0A - - 0.5
Output Voltage Drift (Note2) ΔV/ΔTI
O
= 5mA - -1.0 - mV/°C
Output Noise Voltage V
N
f = 10Hz to 100kHz
T
A
=+25°C
-10-μV/Vo
Ripple Rejection (Note2) RR
f = 120Hz, I
O
= 500mA
V
I
= 22V to 32V
-57- dB
Dropout Voltage V
Drop
I
O
= 1A, T
J
=+25°C-2.0-V
Output Resistance (Note2) r
O
f = 1kHz - 19 - mΩ
Short Circuit Current I
SC
V
I
= 35V, T
A
=+25°C - 250 - mA
Peak Current (Note2) I
PK
T
J
=+25°C-2.2-A
