05/01 Rev 1.5
Copyright
1999
∞
5
∞
!"#$ %&
ELECTRICAL SPECIFICATIONS
(Note 1)
(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG7912A/SG7912 with -55
°
C
≤
T
≤
150
°
C,
V
= -19V, I
= 500mA for the K and IG -Power Packages-, I
= 100mA for the T and L packages, C
= 2
μ
F, and C
OUT
= 1.0
μ
F. Low duty cycle pulse
testing techniques are used which maintains junction and case temperatures equal to the ambient temperature.)
SG7912A/SG7912
Units
SG7912
Typ. Max.
-12.0
10
3
12
4
10
Min.
-11.5
Min.
-11.8
Typ. Max.
-12.0
4
3
20
10
10
SG7912A
Test Conditions
Parameter
T
J
= 25°C
V
IN
= -14.5V to -30V, T
= 25°C
V
= -16V to -22V, T
= 25
°
C
Power Pkgs: I
O
= 5mA to 1.5A, T
= 25°C
I
= 250mA to 750mA, T
J
= 25°C
T - Pkg: I
= 5mA to 500mA, T
J
= 25°C
V
= -14.5V to -27V
Power Pkgs: I
= 5mA to 1.0A, P
≤
20W
T - Pkg: I
= 5mA to 500mA, P
≤
2W
Over Temperature Range
T
= 25°C
with Line: V
IN
= -14.5V to -30V
with Load: I
O
= 5mA to 1.0A (Power Packages)
I
= 5mA to 500mA (T)
V
= 100mV, T
= 25°C
Power Pkgs: I
O
= 1.0A, T - Pkg: I
O
= 500mA
Power Pkgs: T
= 25°C
T - Pkg: T
= 25°C
Power Pkgs: V
= -35V, T
= 25°C
T - Pkg: V
= -35V, T
= 25°C
V
= 10V, f = 120Hz, T
= 25°C
f = 10Hz to 100KHz
(Note 2)
1000hrs. at T
J
= 125°C
I
O
= 5mA
Output Voltage
Line Regulation
(Note 1)
Load Regulation
(Note 1)
Total Output Voltage
Tolerance
Quiescent Current
Quiescent Current Change
Dropout Voltage
Peak Output Current
Short Circuit Current
Ripple Rejection
Output Noise Voltage (rms)
Long Term Stability
Thermal Shutdown
-11.7
-11.7
1.5
0.5
54
-12.0
-12.0
1.1
25
60
175
-12.2
60
30
90
40
40
-12.3
-12.3
4
3
1.0
0.5
0.5
2.3
3.3
1.4
1.2
0.6
80
-12.0
-12.0
1.1
25
60
175
-12.5
120
60
120
60
240
-12.6
-12.6
4
3
1.0
0.5
0.5
2.3
3.3
1.4
0.2
0.6
80
-11.4
-11.4
1.5
0.5
54
V
mV
mV
mV
mV
mV
V
V
mA
mA
mA
mA
mA
V
A
A
A
A
dB
μ
V/V
mV
°C
Note 1. All regulation tests are made at constant junction temperature with low duty cycle testing.
2. This test is guaranteed but is not tested in production.