MC7824ACT datasheet(10/34 Pages) ONSEMI

10 / 34 page

MC7800, MC7800A, MC7800AE, NCV7800

http://onsemi.com

ELECTRICAL CHARACTERISTICS (Vin = 15 V, IO = 1.0 A, TJ = Tlow to 125°C (Note 15), unless otherwise noted)

Characteristic

Symbol

MC7809AB/MC7809AC

Unit

Min

Typ

Max

Output Voltage (TJ = 25°C)

8.82

9.0

9.18

Vdc

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

11.5 Vdc ≤ Vin ≤ 24 Vdc

8.65

9.0

9.35

Vdc

Line Regulation (Note 16)

11.5 Vdc ≤ Vin ≤ 26 Vdc, IO = 500 mA

12 Vdc ≤ Vin ≤ 17 Vdc, IO = 1.0 A

11.5 Vdc ≤ Vin ≤ 24 Vdc, TJ = 25°C

Regline

−

6.2

1.8

5.2

7.0

Load Regulation (Note 16)

5.0 mA ≤ IO ≤ 1.5 A, TJ = 25°C

5.0 mA ≤ IO ≤ 1.0 A

250 mA ≤ IO ≤ 750 mA

Regload

−

Quiescent Current

−

3.3

6.0

Quiescent Current Change

11.5 Vdc ≤ Vin ≤ 26 Vdc, IO = 500 mA

11.5 Vdc ≤ Vin ≤ 24 Vdc, IO = 1.0 A, TJ = 25°C

5.0 mA ≤ IO ≤ 1.0 A

DIB

−

0.8

0.5

Ripple Rejection

11.5 Vdc ≤ Vin ≤ 21.5 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

−

1.0

−

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

−

−0.5

−

mV/°C

15.Tlow =0°C for MC78XXC, MC78XXAC,

= *40°C for NCV78XX, MC78XXB, MC78XXAB.

16.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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