L7900AC SERIES
ELECTRICAL CHARACTERISTICS OF L7908A
(refer to the test circuits, T
J
= 0 to 125°C, V
I
= -14V,
I
O
= 500 mA, C
I
= 2.2 µF, C
O
= 1 µF unless otherwise specified).
Symbol
V
O
V
O
∆V
O
(*)
∆V
O
(*)
I
d
∆I
d
Parameter
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
T
J
= 25°C
I
O
= -5 mA to -1 A P
O
≤
15W
V
I
= -11.5 to -23 V
V
I
= -10.5 to -25 V
V
I
= -11 to -17 V
I
O
= 5 mA to 1.5 A
I
O
= 250 to 750 mA
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= -11.5 to -25 V
∆V
O
/∆T Output Voltage Drift
eN
SVR
V
d
I
sc
I
scp
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Short Circuit Current
Short Circuit Peak Current
T
J
= 25°C
I
O
= 5 mA
B = 10Hz to 100KHz
∆V
I
= 10 V
I
O
= 1 A
f = 120Hz
T
J
= 25°C
∆V
O
= 100 mV
T
J
= 25°C
54
-0.6
175
60
1.1
1.5
2.5
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
Test Conditions
Min.
-7.84
-7.68
Typ.
-8
-8
Max.
-8.16
-8.32
160
80
160
80
3
0.5
1
mV/°C
µV
dB
V
A
A
mA
mA
mV
Unit
V
V
mV
(*) Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
ELECTRICAL CHARACTERISTICS OF L7912A
(refer to the test circuits, T
J
= 0 to 125°C, V
I
= -19V,
I
O
= 500 mA, C
I
= 2.2 µF, C
O
= 1 µF unless otherwise specified).
Symbol
V
O
V
O
∆V
O
(*)
∆V
O
(*)
I
d
∆I
d
Parameter
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Quiescent Current
Quiescent Current Change
T
J
= 25°C
I
O
= -5 mA to -1 A P
O
≤
15W
V
I
= -15.5 to -27 V
V
I
= -14.5 to -30 V
V
I
= -16 to -22 V
I
O
= 5 mA to 1.5 A
I
O
= 250 to 750 mA
T
J
= 25°C
I
O
= 5 mA to 1 A
V
I
= -15 to -25 V
∆V
O
/∆T Output Voltage Drift
eN
SVR
V
d
I
sc
I
scp
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Short Circuit Current
Short Circuit Peak Current
T
J
= 25°C
I
O
= 5 mA
B = 10Hz to 100KHz
∆V
I
= 10 V
I
O
= 1 A
f = 120Hz
T
J
= 25°C
∆V
O
= 100 mV
T
J
= 25°C
54
-0.8
200
60
1.1
1.5
2.5
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
Test Conditions
Min.
-11.75
-11.5
Typ.
-12
-12
Max.
-12.25
-12.5
240
120
240
120
3
0.5
1
mV/°C
µV
dB
V
A
A
mA
mA
mV
Unit
V
V
mV
(*) Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
5/15
STMICROELECTRONICS [ STMICROELECTRONICS ]
