Datasheet

µ 
 
SLVS060K − JUNE 1976 − REVISED APRIL 2005
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions
MIN MAX UNIT
V
I
Input voltage
µA79M05C −7 −25
V
V
I
Input voltage
µA79M08C
−10.5 −25
V
I
O
Output current 500 mA
T
J
Operating virtual junction temperature 0 125 °C
electrical characteristics at specified virtual junction temperature, V
I
= −10 V, I
O
= 350 mA, T
J
= 25°C
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
†
µA79M05C
UNIT
PARAMETER
TEST CONDITIONS
†
MIN TYP MAX
UNIT
Output voltage
V
I
= −7 V to −25 V,
I
O
= 5 mA to 350 mA
−4.8 −5 −5.2
V
Output voltage V
I
= −7 V to −25 V, I
O
= 5 mA to 350 mA
T
J
= 0°C to 125°C
−4.75 −5.25
V
Input voltage regulation
V
I
= −7 V to −25 V 7 50
mV
Input voltage regulation
V
I
= −8 V to −18 V 3 30
mV
Ripple rejection
V
I
= −8 V to −18 V,
I
O
= 100 mA, T
J
= 0°C to 125°C 50
dB
Ripple rejection
V
I
= −8 V to −18 V,
f = 120 Hz
I
O
= 300 mA 54 60
dB
Output voltage regulation
I
O
= 5 mA to 500 mA 75 100
mV
Output voltage regulation
I
O
= 5 mA to 350 mA 50
mV
Temperature coefficient
of output voltage
I
O
= 5 mA, T
J
= 0°C to 125°C −0.4 mV/°C
Output noise voltage f = 10 Hz to 100 kHz 125 µV
Dropout voltage 1.1 V
Bias current 1 2 mA
Bias current change
V
I
= −8 V to −18 V, T
J
= 0°C to 125°C 0.4
mA
Bias current change
I
O
= 5 mA to 350 mA, T
J
= 0°C to 125°C 0.4
mA
Short-circuit output current V
I
= −30 V 140 mA
Peak output current 0.65 A
†
Pulse-testing techniques maintain T
J
as close to T
A
as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 2-µF capacitor across the input and a 1-µF capacitor across the output.