MC7818CT Просмотр технического описания (PDF) - Vishay Semiconductors

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Компоненты Описание

производитель

MC7818CT

3-Terminal Fixed Positive Voltage Regulators

Vishay Semiconductors 

MC78xxCT Series

Vishay Semiconductor

Maximum Ratings Ratings at 25°C ambient temperature unless otherwise specified.

Parameter

Symbol

Input Voltage(1)

Input Voltage(2)

Thermal Resistance(3)

Vin

Vin

RθJC

Operating Junction Temperature Range

TJ

Storage Junction Temperature Range

Tstg

Notes: (1) MC7805 to MC7818

(2) MC7824

(3) Follow the derating curve (fig. 1)

Value

30

40

5

–20 to +150

–65 to +150

Unit

V

V

°C/W

°C

°C

Electrical Characteristics – MC7805

Vin = 10V, Iout = 500mA, 0°C ≤ TJ ≤ 125°C, Cin = 0.33µF, Cout = 0.1µF; unless otherwise noted.

Parameter

Symbol

Conditions

Min. Typ.

Output Voltage

TJ = 25°C

4.90

5

Vout

7V ≤ Vin ≤ 20V,

5mA ≤ Iout ≤ 1.0A, PD ≤ 15W

4.85

—

Line Regulation

(TJ = 25°C)

∆REGline

7V ≤ Vin < 25V

8V ≤ Vin < 13V

–

3

–

1

Load Regulation

(TJ = 25°C)

10mA ≤ Iout < 1.5A

–

15

∆REGload

250mA ≤ Iout < 750mA

–

5

Quiescent Current

Iq

Iout = 0, TJ = 25°C

—

4.2

Quiescent Current Change

7V ≤ Vin ≤ 25V

—

—

∆Iq

5mA ≤ Iout ≤ 1.0A

—

—

Output Noise Voltage

Vn

10Hz ≤ f ≤ 100KHz,TJ= 25°C —

40

Ripple Rejection Ratio

RR

f = 120Hz

62

78

Dropout Voltage

Vdrop

Iout = 1.0A, TJ = 25°C

—

2

Output Resistance

Rout

f = 1KHz

—

17

Output Short Circuit Current

Ios

TJ = 25°C

—

750

Peak Output Current

Io peak

TJ = 25°C

—

1.5

Temperature Coefficient of Output Voltage

∆Vout/∆TJ Iout = 5mA,0°C ≤TJ ≤ 125°C —

–1.1

Max. Unit

5.10

V

5.15

100

mV

50

100

mV

50

8

mA

1.3

mA

0.5

—

µV

—

dB

—

V

—

mΩ

—

mA

—

A

— mV/°C

www.vishay.com

2

Document Number 74813

29-Nov-01

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