3

IL7808

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

7.7

8.0

8.0

Vdc

Output Voltage

10.5Vdc

≤Vin≤23Vdc

Vo

7.6

8.0

8.4

Vdc

Line Regulation(TJ=+25

°C, Note2)

10.5Vdc

≤Vin≤25Vdc

11Vdc

≤Vin≤17Vdc

Regline

-

-

12

5.0

160

80

mV

Load Regulation(TJ=+25

°C,Note2)

5.0mA

≤Io≤1.5A

250mA

≤Io≤750 mA

Regload

-

-

45

16

160

80

mV

Quiescent Current (TJ=+25

°C)

IB

-

4.3

8.0

mA

Quiescent Current Change

10.5Vdc

≤Vin≤25Vdc

5.0mA

≤Io≤1.0A

∆ IB

-

-

-

-

1.0

0.5

mA

Ripple Rejection

11.5Vdc

≤Vin≤21.5Vdc, f = 120 Hz

RR

-

62

-

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

-

-0.8

-

mV/

°C

IL7809

Electrical characteristics

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ=+25

°C)

8.65

9.0

9.35

Output Voltage

8.55

9.0

9.45

Line Regulation(TJ=+25

°C, Note2)

11.5Vdc

≤Vin≤17Vdc

-

-

12

5.0

180

90

mV

5.0mA

250mA

-

-

35

12

180

90

mV

-

4.3

8.0

mA

Quiescent Current Change

5.0mA

-

-

-

-

1.0

0.5

mA

Ripple Rejection

RR

-

61

-

dB

-

2.0

-

10 Hz

≤f≤100 kHz

-

10

-

µV/Vo

Output Resistance f = 1.0 kHz

ro

-

18

-

m

Ω

Short -Circuit Current Limit

-

0.2

-

A

Peak Output Current(TJ=+25

°C)

-

2.2

-

A

Average Temperature Coefficient of

Output Voltage

-

-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 account

separately. Pulse testing with low duty cycle is used.