Data Sheet

LM79XX
6
Electrical Characteristics (LM7910) (Continued)
(V
I
= -17V, I
O
= 500mA, 0°C ≤T
J
≤ +125°C, C
I
=2.2μF, C
O
=1μF, unless otherwise specified.)
Note:
1. 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 is used.
Parameter Symbol Conditions Min. Typ. Max. Unit
Output Voltage V
O
T
J
= +25°C -9.6 -10 -10.4
V
I
O
= 5mA to 1A, P
d
≤ 15W
V
I
= -12V to -28
-9.5 -10 -10.5
Line Regulation (Note1) ΔV
O
T
J
= +25°C
V
I
= -12.5V to -28V - 12 200
mV
V
I
= -14V to -20V - 6 100
Load Regulation (Note1) ΔV
O
T
J
= +25°C
I
O
= 5mA to 1.5A
-12200
mV
T
J
= +25°C
I
O
= 250mA to 750mA
-4100
Quiescent Current I
Q
T
J
= +25°C-36mA
Quiescent Current Change ΔI
Q
I
O
= 5mA to 1A - 0.05 0.5
mA
V
I
= -12.5V to -28V - 0.1 1
Temperature Coefficient of V
O
ΔVo/ΔTI
O
= 5mA - -1 - mV/°C
Output Noise Voltage V
N
10Hz ≤ f ≤ 100kHz
T
A
=+25°C
-280- μV
Ripple Rejection RR
f = 120Hz
ΔV
I
= 10V
54 60 - dB
Dropout Voltage V
D
T
J
= +25°C
I
O
= 1A
-2-V
Short Circuit Current I
SC
T
J
= +25°C, V
I
= -35V - 300 - mA
Peak Current I
PK
T
J
= +25°C-2.2-A