MC7824ACT datasheet(4/34 Pages) ONSEMI

4 / 34 page

MC7800, MC7800A, MC7800AE, NCV7800

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ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 1.0 A, TJ = Tlow to 125°C (Note 3), unless otherwise noted)

MC7805AB/MC7805AC/NCV7805AB

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ = 25°C)

4.9

5.0

5.1

Vdc

Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W)

7.5 Vdc ≤ Vin ≤ 20 Vdc

4.8

5.0

5.2

Vdc

Line Regulation (Note 4)

Regline

7.5 Vdc ≤ Vin ≤ 25 Vdc, IO = 500 mA

−

0.5

8.0 Vdc ≤ Vin ≤ 12 Vdc, IO = 1.0 A

−

0.8

8.0 Vdc ≤ Vin ≤ 12 Vdc, IO = 1.0 A, TJ = 25°C

−

1.3

4.0

7.3 Vdc ≤ Vin ≤ 20 Vdc, IO = 1.0 A, TJ = 25°C

−

4.5

Load Regulation (Note 4)

Regload

5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C

−

1.3

5.0 mA ≤ IO ≤ 1.0 A

−

0.8

250 mA ≤ IO ≤ 750 mA

−

0.53

Quiescent Current

−

3.2

6.0

Quiescent Current Change

DIB

8.0 Vdc ≤ Vin ≤ 25 Vdc, IO = 500 mA

−

0.3

0.8

7.5 Vdc ≤ Vin ≤ 20 Vdc, TJ = 25°C

−

0.8

5.0 mA ≤ IO ≤ 1.0 A

−

0.08

0.5

Ripple Rejection

8.0 Vdc ≤ Vin ≤ 18 Vdc, f = 120 Hz, IO = 500 mA

−

Dropout Voltage (IO = 1.0 A, TJ = 25°C)

VI − VO

−

2.0

−

Vdc

Output Noise Voltage (TA = 25°C)

10 Hz ≤ f ≤ 100 kHz

−

mV/VO

Output Resistance (f = 1.0 kHz)

−

0.9

−

Short Circuit Current Limit (TA = 25°C)

Vin = 35 Vdc

ISC

−

0.2

−

Peak Output Current (TJ = 25°C)

Imax

−

2.2

−

Average Temperature Coefficient of Output Voltage

TCVO

−

−0.3

−

mV/°C

3. Tlow =0°C for MC78XXC, MC78XXAC,

= *40°C for NCV78XX, MC78XXB, MC78XXAB, and MC78XXAEB

4. 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.

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