SN79xxx
◈
Electrical characteristics
( V
IN
=-14V, C
IN
= 2.2uF, C
OUT
= 1.0uF, I
OUT
= 500mA, T
J
=0
℃
~125
℃
; unless otherwise specified )
SN7908x
Characteristic
Symbol
Test Condition*
Min.
T
J
=25℃
Output Voltage**
V
O
-10.5V
≤
V
IN
≤-
23.0V
5.0mA
≤
I
O
≤
1.0A, P
D
≤
15W
-10.5V
≤
V
IN
≤
-25.0V
Line Regulation
V
O(
△
VI)
-11V
≤
V
IN
≤
-17V
5.0mA
≤
I
O
≤
1.5A
Load Regulation
V
O(
△
IL)
250mA
≤
I
O
≤
750mA
Quiescent Current
I
QC
T
J
=25℃
-10.5V
≤
V
IN
≤
-25.0V
Quiescent Current Change
∆I
QC
5.0mA
≤
I
O
≤
1.0A
Ripple Rejection
Dropout Voltage
Output Noise Voltage
Short Circuit Current
Peak Output Current
Temperature coefficient of
Output voltage
RR
V
DROP
V
N
I
SC
I
PK
-11.5V
≤
V
IN
≤
-21.5V
f=120Hz
I
O
=1.0A
10Hz
≤
f
≤
100kHz
V
I
=-35V
T
J
=25℃
I
O
=5.0mA
T
J
=25℃
T
A
=25℃
T
A
=25℃
-
54
-
-
-
-
-
0.05
60
2.0
175
300
2.2
-0.6
0.5
-
-
-
-
-
-
dB
V
uV/ V
O
mA
A
mV/
°C
T
J
=25℃
-
-
-
4.0
3.0
0.1
80
6.0
1.0
mA
mA
T
J
=25℃
-
-
5.0
12
80
160
mV
-7.7
-7.6
-
Typ.
-8.0
-8.0
10
Max.
-8.3
V
-8.4
160
mV
Unit
△
V
O
/
△
Temp
Pulse testing techniques are used to maintain the junction temperature as close to the ambient
temperature as possible. Thermal effects must be taken into separately.
** This specification applies only for dc power dissipation permitted by absolute maximum ratings.
*
KSD-I0O011-002
Jan. 2011 REV. 02
6