Datasheet

L7900 SERIES
5/18
Table 7: Electrical Characteristics Of L7912C (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).
(*) 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.
Table 8: 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).
(*) 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.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage T
J
= 25°C -11.5 -12 -12.5 V
V
O
Output Voltage I
O
= -5 mA to -1 A P
O
≤ 15 W
V
I
= -15.5 to -27 V
-11.4 -12 -12.6 V
∆V
O
(*) Line Regulation V
I
= -14.5 to -30 V T
J
= 25°C 240 mV
V
I
= -16 to -22 V T
J
= 25°C 120
∆V
O
(*) Load Regulation I
O
= 5 mA to 1.5 A T
J
= 25°C 240 mV
I
O
= 250 to 750 mA T
J
= 25°C 120
I
d
Quiescent Current T
J
= 25°C 3 mA
∆I
d
Quiescent Current Change I
O
= 5 mA to 1 A 0.5 mA
V
I
= -15 to -30 V 1
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA -0.8 mV/°C
eN Output Noise Voltage B = 10Hz to 100KHz T
J
= 25°C 200 µV
SVR Supply Voltage Rejection ∆V
I
= 10 V f = 120Hz 54 60 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C ∆V
O
= 100
mV
1.1 V
I
sc
Short Circuit Current 1.5 A
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage T
J
= 25°C -14.4 -15 -15.6 V
V
O
Output Voltage I
O
= -5 mA to -1 A P
O
≤ 15 W
V
I
= -18.5 to -30 V
-14.3 -15 -15.7 V
∆V
O
(*) Line Regulation V
I
= -17.5 to -30 V T
J
= 25°C 300 mV
V
I
= -20 to -26 V T
J
= 25°C 150
∆V
O
(*) Load Regulation I
O
= 5 mA to 1.5 A T
J
= 25°C 300 mV
I
O
= 250 to 750 mA T
J
= 25°C 150
I
d
Quiescent Current T
J
= 25°C 3 mA
∆I
d
Quiescent Current Change I
O
= 5 mA to 1 A 0.5 mA
V
I
= -18.5 to -30 V 1
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA -0.9 mV/°C
eN Output Noise Voltage B = 10Hz to 100KHz T
J
= 25°C 250 µV
SVR Supply Voltage Rejection ∆V
I
= 10 V f = 120Hz 54 60 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C ∆V
O
= 100
mV
1.1 V
I
sc
Short Circuit Current 1.3 A