TL780 SERIES

POSITIVE-VOLTAGE REGULATORS

SLVS055F – APRIL 1981 – REVISED DECEMBER 1999

4

POST OFFICE BOX 655303

otherwise noted)

PARAMETER

TEST CONDITIONS

T †

TL780-12C

UNIT

PARAMETER

TEST CONDITIONS

TJ†

MIN

TYP

MAX

UNIT

Output voltage

IO = 5 mA to 1 A,

P

≤ 15 W,

25

°C

11.88

12

12.12

V

Output voltage

O

,

VI = 14.5 V to 27 V

,

0

°C to 125°C

11.76

12.24

V

Input voltage regulation

VI = 14.5 V to 30 V

25

°C

1.2

12

mV

Input voltage regulation

VI = 16 V to 22 V

25

°C

1.2

12

mV

Ripple rejection

VI = 15 V to 25 V,

f = 120 Hz

0

°C to 125°C

65

80

dB

Output voltage regulation

IO = 5 mA to 1.5 A

25

°C

6.5

60

mV

Output voltage regulation

IO = 250 mA to 750 mA

25

°C

2.5

36

mV

Output resistance

f = 1 kHz

0

°C to 125°C

0.0035

W

Temperature coefficient of output voltage

IO = 5 mA

0

°C to 125°C

0.6

mV/

°C

Output noise voltage

f = 10 Hz to 100 kHz

25

°C

180

µV

Dropout voltage

IO = 1 A

25

°C

2

V

Input bias current

25

°C

5.5

8

mA

Input bias current change

VI = 14.5 V to 30 V

0

°Cto125°C

0.4

1.3

mA

Input bias-current change

IO = 5 mA to 1 A

0

°C to 125°C

0.03

0.5

mA

Short-circuit output current

25

°C

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.

otherwise noted)

PARAMETER

TEST CONDITIONS

T †

TL780-15C

UNIT

PARAMETER

TEST CONDITIONS

TJ†

MIN

TYP

MAX

UNIT

Output voltage

IO = 5 mA to 1 A,

P

≤ 15 W,

25

°C

14.85

15

15.15

V

Output voltage

VI = 17.5 V to 30 V

0

°C to 125°C

14.7

15.3

V

Input voltage regulation

VI = 17.5 V to 30 V

25

°C

1.5

15

mV

Input voltage regulation

VI = 20 V to 26 V

25

°C

1.5

15

mV

Ripple rejection

VI = 18.5 V to 28.5 V,

f = 120 Hz

0

°C to 125°C

60

75

dB

Output voltage regulation

IO = 5 mA to 1.5 A

25

°C

7

75

mV

Output voltage regulation

IO = 250 mA to 750 mA

25

°C

2.5

45

mV

Output resistance

f = 1 kHz

0

°C to 125°C

0.0035

W

Temperature coefficient of output voltage

IO = 5 mA

0

°C to 125°C

0.62

mV/

°C

Output noise voltage

f = 10 Hz to 100 kHz

25

°C

225

µV

Dropout voltage

IO = 1 A

25

°C

2

V

Input bias current

25

°C

5.5

8

mA

Input bias current change

VI = 17.5 V to 30 V

0

°Cto125°C

0.4

1.3

mA

Input bias-current change

IO = 5 mA to 1 A

0

°C to 125°C

0.02

0.5

mA

Short-circuit output current

25

°C

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.