SN79xxx
◈ Electrical characteristics
( VIN=-27V, CIN = 2.2uF, COUT = 1.0uF, IOUT = 500mA, TJ=0℃~125℃ ; unless otherwise specified )
SN7918x
Characteristic
Symbol
Test Condition*
Unit
Min.
Typ.
-18.0
-18.0
15.0
8.0
Max.
-18.7
-18.9
360
180
360
180
8.0
1.0
0.5
-
-17.3
TJ =25℃
Output Voltage**
VO
V
-22.5V ≤ VIN ≤ -33.0V
-17.1
5.0mA ≤ IO ≤ 1.0A, PD ≤ 15W
-21.0V ≤ VIN ≤ -33.0V
-24.0V ≤ VIN ≤ -30.0V
5.0mA ≤ IO ≤ 1.5A
250mA ≤ IO ≤ 750mA
TJ =25℃
-
-
Line Regulation
mV
ÌVO(
TJ =25℃
TJ =25℃
△
VI)
-
15.0
5.0
Load Regulation
mV
mA
mA
ÌVO(
△
IL)
-
Quiescent Current
IQC
-
5.2
-21.0V ≤ VIN ≤ -33.0V
5.0mA ≤ IO ≤ 1.0A
-
0.1
Quiescent Current Change
∆IQC
-
0.05
60
-22.0V ≤ VIN ≤ -32.0V
f=120Hz
Ripple Rejection
RR
54
-
dB
V
Dropout Voltage
VDROP
VN
IO=1.0A
2.0
-
TJ =25℃
TA =25℃
TA =25℃
Output Noise Voltage
Short Circuit Current
Peak Output Current
10Hz ≤ f ≤ 100kHz
VI =-35V
-
300
300
2.2
-
uV/ VO
mA
ISC
-
-
IPK
-
-
A
TJ =25℃
Temperature coefficient of
Output voltage
V /
△Temp
△
O
IO=5.0mA
-
-1.0
-
mV/°C
* 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.
11
KSD-I0O011-002
Jan. 2011 REV. 02
KODENSHI [ KODENSHI KOREA CORP. ]
