MC78XXE/LM78XXE/MC78XXAE
4
Electrical Characteristics (MC7808E)
(Continued)
(Refer to test circuit ,0°C < T
J
< 125°C, I
O
= 500mA, V
I
=14V, C
I
= 0.33μF, C
O
= 0.1μF, unless otherwise specified)
Note:
1. Load and line regulation are specified at constant junction temperature. Changes 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
MC7808E
Unit
Min. Typ. Max.
Output Voltage V
O
T
J
=+25°C 7.7 8.0 8.3
5.0mA ˺ I
O
˺ 1.0A, P
O
˺ 15W
V
I
= 10.5V to 23V
7.6 8.0 8.4 V
Line Regulation (Note1) Regline T
J
=+25°C
V
I
= 10.5V to 25V - 5.0 160
mV
V
I
= 11.5V to 17V - 2.0 80
Load Regulation (Note1) Regload T
J
=+25°C
I
O
= 5.0mA to 1.5A - 10 160
mV
I
O
= 250mA to 750mA - 5.0 80
Quiescent Current I
Q
T
J
=+25°C-5.08.0mA
Quiescent Current Change ΔI
Q
I
O
= 5mA to 1.0A - 0.05 0.5
mA
V
I
= 10.5A to 25V - 0.5 1.0
Output Voltage Drift (Note2) ΔV
O
/ΔTI
O
= 5mA - -0.8 - mV/°C
Output Noise Voltage V
N
f = 10Hz to 100kHz, T
A
= +25°C-52-μV/Vo
RippleGRejection (Note2) RR f = 120Hz, V
I
= 11.5V to 21.5V 56 73 - dB
Dropout Voltage V
Drop
I
O
= 1A, T
J
= +25°C-2-V
Output Resistance (Note2) r
O
f = 1kHz - 17 - mΩ
Short Circuit Current I
SC
V
I
= 35V, T
A
= +25°C - 230 - mA
Peak Current (Note2) I
PK
T
J
=+25°C-2.2-A
