Datasheet

KA78XXE / KA78XXAE — 3-Terminal 1 A Positive Voltage Regulator
© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
KA78XXE / KA78XXAE Rev. 1.1.1 15
Electrical Characteristics (KA7810AE)
Refer to the test circuit, 0°C < T
J
< +125
°C, I
O
= 1 A, V
I
= 16 V, C
I
= 0.33 μF, C
O
= 0.1 μF, unless otherwise specified.
Notes:
25. 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.
26. These parameters, although guaranteed, are not 100% tested in production.
Symbol Parameter Conditions Min. Typ. Max. Unit
V
O
Output Voltage
T
J
=+25°C 9.8 10.0 10.2
V
I
O
= 5 mA to 1 A, P
O
15 W,
V
I
= 12.8 V to 25 V
9.6 10.0 10.4
Regline
Line Regulation
(25)
V
I
= 12.8 V to 26 V, I
O
= 500 mA 8.0 100.0
mV
V
I
= 13 V to 20 V 4.0 50.0
T
J
= +25°C
V
I
= 12.5 V to 25 V 8.0 100.0
V
I
= 13 V to 20 V 3.0 50.0
Regload
Load Regulation
(25)
T
J
= +25°C, I
O
= 5 mA to 1.5 A 12 100
mVI
O
= 5 mA to 1 mA 12 100
I
O
= 250 mA to 750 mA 5 50
I
Q
Quiescent Current T
J
= +25°C5.06.0mA
ΔI
Q
Quiescent Current Change
I
O
= 5 mA to 1.0 A 0.5
mAV
I
= 12.8 V to 25 V, I
O
= 500 mA 0.8
V
I
= 13 V to 26 V, T
J
= +25°C0.5
ΔV/ΔT Output Voltage Drift
(26)
I
O
= 5 mA -1.0 mV/°C
V
N
Output Noise Voltage f = 10 Hz to 100 kHz, T
A
= +25°C 10.0 μV/Vo
RR Ripple Rejection
(26)
f = 120 Hz, I
O
= 500 mA,
V
I
= 14 V to 24 V
62.0 dB
V
Drop
Dropout Voltage I
O
= 1 A, T
J
= +25°C2.0V
R
O
Output Resistance
(26)
f = 1 kHz 17.0 mΩ
I
SC
Short-Circuit Current V
I
= 35 V, T
A
= +25°C250mA
I
PK
Peak Current
(26)
T
J
= +25°C2.2A