Data Sheet

KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
KA78XXE / KA78XXAE Rev. 1.9 13
Electrical Characteristics (KA7805AE)
Refer to the test circuit, 0°C < T
J
< +125°C, I
o
= 1 A, V
I
= 10 V, C
I
= 0.33 μF, C
O
= 0.1 μF, unless otherwise specified.
Notes:
21. 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.
22. These parameters, although guaranteed, are not 100% tested in production.
Symbol Parameter Conditions Min. Typ. Max. Unit
V
O
Output Voltage
T
J
=+25°C4.95.05.1
V
I
O
= 5 mA to 1 A, P
O
≤ 15 W,
V
I
= 7.5 V to 20 V
4.8 5.0 5.2
Regline
Line Regulation
(21)
V
I
= 7.5 V to 25 V, I
O
= 500 mA 5.0 50.0
mV
V
I
= 8 V to 12 V 3.0 50.0
T
J
= +25°C
V
I
= 7.3 V to 20 V 5.0 50.0
V
I
= 8 V to 12 V 1.5 25.0
Regload Load Regulation
(21)
T
J
=+25°C, I
O
= 5 mA to 1.5 A 9 100
mVI
O
= 5 mA to 1 A 9 100
I
O
= 250 mA to 750 mA 4 50
I
Q
Quiescent Current T
J
= +25°C56mA
ΔI
Q
Quiescent Current Change
I
O
= 5 mA to 1 A 0.5
mAV
I
= 8 V to 25 V, I
O
= 500 mA 0.8
V
I
= 7.5 V to 20 V, T
J
= +25°C0.8
ΔV/ΔT Output Voltage Drift
(22)
I
O
= 5 mA -0.8 mV/°C
V
N
Output Noise Voltage f = 10 Hz to 100 kHz, T
A
=+25°C42μV
RR Ripple Rejection
(22)
f = 120 Hz, I
O
= 500 mA,
V
I
= 8 V to 18 V
68 dB
V
Drop
Dropout Voltage I
O
= 1 A, T
J
= +25°C2V
R
O
Output Resistance
(22)
f = 1 kHz 17 mΩ
I
SC
Short-Circuit Current V
I
= 35 V, T
A
= +25°C250mA
I
PK
Peak Current
(22)
T
J
= +25°C2.2A