MC7824ACT datasheet(17/34 Pages) ONSEMI

17 / 34 page

MC7800, MC7800A, MC7800AE, NCV7800

http://onsemi.com

ELECTRICAL CHARACTERISTICS (Vin = 33 V, IO = 500 mA, TJ = Tlow to 125°C (Note 29), unless otherwise noted)

MC7824B

MC7824C

Characteristic

Symbol

Min

Typ

Max

Min

Typ

Max

Unit

Output Voltage (TJ = 25°C)

Vdc

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

Vdc

27 Vdc ≤ Vin ≤ 38 Vdc

−

22.8

25.2

28 Vdc ≤ Vin ≤ 38 Vdc

22.8

25.2

−

Line Regulation, (Note 30)

Regline

27 Vdc ≤ Vin ≤ 38 Vdc

−

11.5

480

−

2.7

30 Vdc ≤ Vin ≤ 36 Vdc

−

3.8

240

−

2.7

Load Regulation, (Note 30)

Regload

−

2.1

480

−

4.4

5.0 mA ≤ IO ≤ 1.5 A

Quiescent Current

−

3.6

8.0

−

3.6

6.5

Quiescent Current Change

DIB

27 Vdc ≤ Vin ≤ 38 Vdc

−

1.0

5.0 mA ≤ IO ≤ 1.0 A

−

0.5

−

0.5

Ripple Rejection

−

28 Vdc ≤ Vin ≤ 38 Vdc, f = 120 Hz

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

VI − VO

−

2.0

−

2.0

−

Vdc

Output Noise Voltage (TA = 25°C)

−

mV/VO

10 Hz ≤ f ≤ 100 kHz

Output Resistance f = 1.0 kHz

−

1.4

−

1.4

−

Short Circuit Current Limit (TA = 25°C)

ISC

−

0.2

−

0.2

−

Vin = 35 Vdc

Peak Output Current (TJ = 25°C)

Imax

−

2.2

−

2.2

−

Average Temperature Coefficient of Output Voltage

TCVO

−

−2.0

−

−2.0

−

mV/°C

29.Tlow =0°C for MC78XXC, MC78XXAC,

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

30.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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