4

IL7812

Electrical characteristics

(Vin = 19V, Io = 500mA, TJ = Tlow to Tlow (Note 1) unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ=+25

°C)

Vo

11.5

12

12.5

Vdc

Output Voltage

14.5Vdc

≤Vin≤27Vdc

Vo

11.4

12

12.6

Vdc

Line Regulation(TJ=+25

°C, Note2)

14.5Vdc

≤Vin≤30Vdc

16Vdc

≤Vin≤22Vdc

Regline

-

-

13

6.0

240

120

mV

Load Regulation(TJ=+25

°C,Note2)

5.0mA

≤Io≤1.5A

250mA

≤Io≤750 mA

Regload

-

-

46

17

240

120

mV

Quiescent Current (TJ=+25

°C)

IB

-

4.4

8.0

mA

Quiescent Current Change

14.5Vdc

≤Vin≤30Vdc

5.0mA

≤Io≤1.0A

∆ IB

-

-

-

-

1.0

0.5

mA

Ripple Rejection

15Vdc

≤Vin≤25Vdc, f = 120 Hz

RR

-

60

-

dB

Dropout Voltage (Io=1.0A,T =+25

°C)

Vin-Vo

-

2.0

-

Vdc

Output Noise Voltage(TA=+25

°C)

10 Hz

≤f≤100 kHz

Vn

-

10

-

µV/Vo

Output Resistance f = 1.0 kHz

ro

-

18

-

m

Ω

Short - Circuit Current Limit

(TA=+25

°C) Vin = 35 Vdc

Isc

-

0.2

-

A

Peak Output Current(TJ=+25

°C)

Imax

-

2.2

-

A

Average Temperature Coefficient of

Output Voltage

TCVo

-

-1.0

-

mV/

°C

IL7815

Electrical characteristics

(Vin = 11V, Io = 500mA, TJ = Tlow to Thigh (Note 1) unless otherwise noted)

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ=+25

°C)

Vo

14.4

15

15.6

Vdc

Output Voltage

17.5Vdc

≤Vin≤30Vdc

Vo

14.25

15

15.75

Vdc

Line Regulation(TJ=+25

°C, Note2)

17.5Vdc

≤Vin≤30Vdc

20Vdc

≤Vin≤26Vdc

Regline

-

-

13

6.0

300

150

mV

Load Regulation(TJ=+25

°C,Note2)

5.0mA

≤Io≤1.5A

250mA

≤Io≤750 mA

Regload

-

-

52

20

300

150

mV

Quiescent Current (TJ=+25

°C)

IB

-

4.4

8.0

mA

Quiescent Current Change

17.5Vdc

≤Vin≤30Vdc

5.0mA

≤Io≤1.0A

∆ IB

-

-

-

-

1.0

0.5

mA

Ripple Rejection

18.5Vdc

≤Vin≤28.5Vdc, f = 120 Hz

RR

-

58

-

dB

Dropout Voltage (Io=1.0A,T =+25

°C)

Vin-Vo

-

2.0

-

Vdc

Output Noise Voltage(TA=+25

°C)

10 Hz

≤f≤100 kHz

Vn

-

10

-

µV/Vo

Output Resistance f = 1.0 kHz

ro

-

19

-

m

Ω

Short - Circuit Current Limit

(TA=+25

°C) Vin = 35 Vdc

Isc

-

0.2

-

A

Peak Output Current(TJ=+25

°C)

Imax

-

2.2

-

A

Average Temperature Coefficient of

Output Voltage

TCVo

-

-1.0

-

mV/

°C

Note:

1. Tlow = 0

°C , Thigh = +125 0 °C

2.Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken

into accountseparately. Pulse testing with low duty cycle is used.