μ
A78M00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS059D – JUNE 1976 – REVISED JULY 1999
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= 19 V, I
O
= 350 mA, T
J
= 25
°
C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A78M12Y
MIN
UNIT
TYP
MAX
Output voltage
12
V
Input voltage regulation
IO= 200 mA
IO = 200 mA
VI = 14.5 V to 30 V
VI = 16 V to 30 V
IO = 300 mA,
8
mV
2
Ripple rejection
VI = 15 V to 25 V,
IO = 5 mA to 500 mA
IO = 5 mA to 200 mA
IO = 5 mA
f = 10 Hz to 100 kHz
f = 120 Hz
80
dB
Output voltage regulation
25
mV
10
Temperature coefficient of output voltage
–1
mV/
°
C
μ
V
V
Output noise voltage
75
Dropout voltage
2
Bias current
4.8
mA
Short-circuit output current
VI = 35 V
240
mA
Peak output current
All characteristics are measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Pulse-testing techniques
maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.
0.7
A
electrical characteristics at specified virtual junction temperature, V
I
= 23 V, I
O
= 350 mA, T
J
= 25
°
C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A78M15C
MIN
UNIT
TYP
MAX
Output voltage
15
V
Input voltage regulation
IO= 200 mA
IO = 200 mA
VI = 17.5 V to 30 V
VI = 20 V to 30 V
IO = 300 mA,
10
mV
3
Ripple rejection
VI = 18.5 V to 28.5 V,
IO = 5 mA to 500 mA
IO = 5 mA to 200 mA
IO = 5 mA
f = 10 Hz to 100 kHz
f = 120 Hz
70
dB
Output voltage regulation
25
mV
10
Temperature coefficient of output voltage
–1
mV/
°
C
μ
V
V
Output noise voltage
90
Dropout voltage
2
Bias current
4.8
mA
Short-circuit output current
VI = 35 V
240
mA
Peak output current
All characteristics are measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Pulse-testing techniques
maintain TJ as close to TA as possible. Thermal effects must be taken into account separately.
0.7
A