TL780 Datasheet, PDF (4/8 Pages) Texas Instruments – POSITIVE-VOLTAGE REGULATORS

TL780 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS055F – APRIL 1981 – REVISED DECEMBER 1999
electrical characteristics at specified virtual junction temperature, V_I = 19 V, I_O = 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TL780-12C
TJ†
UNIT
MIN TYP MAX
Output voltage
IO = 5 mA to 1 A, P ≤ 15 W,
VI = 14.5 V to 27 V
25°C
0°C to 125°C
11.88
11.76
12 12.12
V
12.24
Input voltage regulation
Ripple rejection
Output voltage regulation
Output resistance
VI = 14.5 V to 30 V
VI = 16 V to 22 V
VI = 15 V to 25 V, f = 120 Hz
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
f = 1 kHz
25°C
0°C to 125°C
25°C
0°C to 125°C
1.2
1.2
65
80
6.5
2.5
0.0035
12
mV
12
dB
60
mV
36
W
Temperature coefficient of output voltage
Output noise voltage
IO = 5 mA
f = 10 Hz to 100 kHz
0°C to 125°C
25°C
0.6
mV/°C
180
µV
Dropout voltage
Input bias current
IO = 1 A
25°C
25°C
2
V
5.5
8 mA
Input bias-current change
Short-circuit output current
VI = 14.5 V to 30 V
IO = 5 mA to 1 A
0°C to 125°C
25°C
0.4 1.3
mA
0.03 0.5
350
mA
Peak output current
25°C
2.2
A
† _{Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into}
account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.22-µF capacitor across the output.
electrical characteristics at specified virtual junction temperature, V_I = 23 V, I_O = 500 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TL780-15C
TJ†
UNIT
MIN TYP MAX
Output voltage
IO = 5 mA to 1 A,
VI = 17.5 V to 30 V
P ≤ 15 W,
25°C
0°C to 125°C
14.85
14.7
15 15.15
V
15.3
Input voltage regulation
Ripple rejection
Output voltage regulation
Output resistance
VI = 17.5 V to 30 V
VI = 20 V to 26 V
VI = 18.5 V to 28.5 V, f = 120 Hz
IO = 5 mA to 1.5 A
IO = 250 mA to 750 mA
f = 1 kHz
25°C
0°C to 125°C
25°C
0°C to 125°C
1.5
1.5
60
75
7
2.5
0.0035
15
mV
15
dB
75
mV
45
W
Temperature coefficient of output voltage
Output noise voltage
IO = 5 mA
f = 10 Hz to 100 kHz
0°C to 125°C
25°C
0.62
mV/°C
225
µV
Dropout voltage
Input bias current
IO = 1 A
25°C
25°C
2
V
5.5
8 mA
Input bias-current change
Short-circuit output current
VI = 17.5 V to 30 V
IO = 5 mA to 1 A
0°C to 125°C
25°C
0.4 1.3
mA
0.02 0.5
230
mA
Peak output current
25°C
2.2
A
† _{Pulse-testing techniques maintain the junction temperature as close to the ambient temperature as possible. Thermal effects must be taken into}
account separately. All characteristics are measured with a 0.33-µF capacitor across the input and a 0.22-µF capacitor across the output.
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