L7900 SERIES
ELECTRICAL CHARACTERISTICS OF L7915C
(refer to the test circuits, T
J
= 0 to 125°C, V
I
= -23V,
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
≤
15 W
V
I
= -18.5 to -30 V
V
I
= -17.5 to -30 V
V
I
= -20 to -26 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
= -18.5 to -30 V
∆V
O
/∆T Output Voltage Drift
eN
SVR
V
d
I
sc
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Short Circuit Current
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
-0.9
250
60
1.1
1.3
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
Test Conditions
Min.
-14.4
-14.3
Typ.
-15
-15
Max.
-15.6
-15.7
300
150
300
150
3
0.5
1
mV/°C
µV
dB
V
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 L7918C
(refer to the test circuits, T
J
= 0 to 125°C, V
I
= -27V,
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
≤
15 W
V
I
= -22 to -33 V
V
I
= -21 to -33 V
V
I
= -24 to -30 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
= -22 to -33 V
∆V
O
/∆T Output Voltage Drift
eN
SVR
V
d
I
sc
Output Noise Voltage
Supply Voltage Rejection
Dropout Voltage
Short Circuit Current
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
-1
300
60
1.1
1.1
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
T
J
= 25°C
Test Conditions
Min.
-17.3
-17.1
Typ.
-18
-18
Max.
-18.7
-18.9
360
180
360
180
3
0.5
1
mV/°C
µV
dB
V
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.
6/16
STMICROELECTRONICS [ STMICROELECTRONICS ]
