SN79xxx
◈
Electrical characteristics
( V
IN
=-10V, C
IN
= 2.2uF, C
OUT
= 1.0uF, I
OUT
= 500mA, T
J
=0℃~125℃ ; unless otherwise specified )
SN7905x
Characteristic
Symbol
Test Condition*
Min.
T
J
=25℃
Output Voltage**
V
O
-7.0V
≤
V
IN
≤
-20.0V
5.0mA
≤
I
O
≤
1.0A, P
D
≤
15W
-7.0V
≤
V
IN
≤
-25.0V
Line Regulation
V
O(
△
VI)
-8.0V
≤
V
IN
≤
-12.0V
5.0mA
≤
I
O
≤
1.5A
Load Regulation
V
O(
△
IL)
250mA
≤
I
O
≤
750mA
Quiescent Current
I
QC
T
J
=25℃
-8.0V
≤
V
IN
≤
-25V
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
-8.0V
≤
V
IN
≤
-18.0V, I
O
=500
㎃
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
100
300
2.2
-0.4
0.5
-
-
-
-
-
-
dB
V
uV/ V
O
mA
A
mV/
°C
T
J
=25℃
-
-
-
3.0
3.0
0.1
50
6.0
1.3
mA
mA
T
J
=25℃
-
-
8
10
50
100
mV
-4.80
-4.75
-
Typ.
-5.0
-5.0
35
Max.
-5.20
V
-5.25
100
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
4