LM7912 Fairchild Semiconductor, LM7912 Datasheet - Page 9

• Manufacturer Part Number: LM7912
• Description: The LM79XX series of three terminal negative regulators are available in TO-220 package and with several fixed output voltages, making them useful in a wide range of applications
• Manufacturer: Fairchild Semiconductor

LM79XX
Electrical Characteristics (LM7918)
(V
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V
9
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Quiescent Current
Quiescent Current Change
Temperature Coefficient of V
Output Noise Voltage
Ripple Rejection
Dropout Voltage
Short Circuit Current
Peak Current
I
into account separately. Pulse testing with low duty is used.
= -27V, I
O
= 500mA, 0°C ≤T
D
J
≤ +125°C, C
Symbol
ΔVo/ΔT
ΔV
ΔV
ΔI
I
I
V
RR
V
V
I
SC
PK
Q
O
N
D
Q
O
O
I
T
I
V
T
T
I
T
I
T
I
V
I
f = 10Hz to 100kHz
T
f = 120Hz
ΔV
T
I
T
T
=2.2μF, C
O
O
O
O
O
O
J
J
J
J
J
A
J
J
J
I
I
= -22.5V to -33V
= -21V to -33V
= 5mA to 1A, P
= 5mA to 1.5A
= 250mA to 750mA
= 5mA to 1A
= 5mA
I
= 1A
= +25°C
= +25°C
= +25°C
= +25°C
= +25°C, V
= +25°C
= +25°C
= +25°C
= +25°C
= 10V
(Continued)
O
=1μF, unless otherwise specified.)
Conditions
I
= -35V
V
V
O
I
I
≤ 15W
= -21V to -33V
= -24V to -30V
O
due to heating effects must be taken
-17.3
-17.1
Min.
54
-
-
-
-
-
-
-
-
-
-
-
-
Typ. Max.
0.05
300
300
-18
-18
0.1
2.2
15
15
60
-1
8
5
3
2
-18.7
-18.9
360
180
360
180
0.5
6
1
-
-
-
-
-
-
mV/°C
Unit
mV
mV
mA
mA
mA
μV
dB
V
V
A