MC7805CT datasheet(5/9 Pages) VISHAY

Part #	MC7805CT

Description	3-Terminal Fixed Positive Voltage Regulators

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Manufacturer	VISHAY [Vishay Siliconix]

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MC78xxCT Series

Vishay Semiconductor

Document Number 74813

www.vishay.com

29-Nov-01

5

Electrical Characteristics – MC7812

Vin = 19V, Iout = 500mA, 0°C

≤ TJ ≤ 125°C, Cin = 0.33µF, Cout = 0.1µF; unless otherwise noted.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Output Voltage

Vout

TJ = 25°C

11.76

12.0

12.24

V

14.5V

≤ Vin ≤ 27V,

11.66

—

12.34

5mA

≤ Iout ≤ 1.0A, PD ≤ 15W

Line Regulation

∆REGline

14V

≤ Vin < 30V

–

10

240

mV

(TJ = 25°C)

15V

≤ Vin < 19V

–

3

120

Load Regulation

∆REGload

10mA

≤ Iout < 1.5A

–

12

240

mV

(TJ = 25°C)

250mA

≤ Iout < 750mA

–

4

120

Quiescent Current

Iq

Iout = 0, TJ = 25°C

—

4.3

8

mA

Quiescent Current Change

∆Iq

14.5V

≤ Vin ≤ 30V

——

1

mA

5mA

≤ Iout ≤ 1.0A

——

0.5

Output Noise Voltage

Vn

10Hz

≤f≤100KHz,TJ=25°C

—

75

—

µV

Ripple Rejection Ratio

RR

f = 120Hz,15V

≤ Vin ≤ 25V

55

71

—

dB

Dropout Voltage

Vdrop

Iout = 1.0A, TJ = 25°C

—

2

—

V

Output Resistance

Rout

f = 1KHz

—

18

—

m

Ω

Output Short Circuit Current

Ios

TJ = 25°C

—

350

—

mA

Peak Output Current

Io peak

TJ = 25°C

—

1.5

—

A

Temperature Coefficient of Output Voltage

∆Vout/∆TJ

Iout = 5mA,0°C

≤TJ ≤ 125°C

—–1

—

mV/°C

Electrical Characteristics – MC7815

Vin = 23V, Iout = 500mA, 0°C

≤ TJ ≤ 125°C, Cin = 0.33µF, Cout = 0.1µF; unless otherwise noted.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Output Voltage

Vout

TJ = 25°C

14.7

15.0

15.3

V

17.5V

≤ Vin ≤ 30V,

14.55

—

15.45

5mA

≤ Iout ≤ 1.0A, PD ≤ 15W

Line Regulation

∆REGline

17.5V

≤ Vin < 30V

–

11

300

mV

(TJ = 25°C)

13V

≤ Vin < 17V

–

3

150

Load Regulation

∆REGload

10mA

≤ Iout < 1.5A

–

12

300

mV

(TJ = 25°C)

250mA

≤ Iout < 750mA

–

4

150

Quiescent Current

Iq

Iout = 0, TJ = 25°C

—

4.4

8

mA

Quiescent Current Change

∆Iq

17.5V

≤ Vin ≤ 30V

——

1

mA

5mA

≤ Iout ≤ 1.0A

——

0.5

Output Noise Voltage

Vn

10Hz

≤f≤100KHz,TJ=25°C

—

90

—

µV

Ripple Rejection Ratio

RR

f = 120Hz, 18V

≤ Vin ≤ 28V

54

70

—

dB

Dropout Voltage

Vdrop

Iout = 1.0A, TJ = 25°C

—

2

—

V

Output Resistance

Rout

f = 1KHz

—

19

—

m

Ω

Output Short Circuit Current

Ios

TJ = 25°C

—

230

—

mA

Peak Output Current

Io peak

TJ = 25°C

—

1.5

—

A

Temperature Coefficient of Output Voltage

∆Vout/∆TJ

Iout = 5mA,0°C

≤TJ ≤ 125°C

—–1

—

mV/°C

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