MC7800 datasheet(3/31 Pages) ONSEMI

Part #	MC7800

Description	1.0 A Positive Voltage Regulators

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Manufacturer	ONSEMI [ON Semiconductor]

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MC7800, MC7800A, MC7800AE, NCV7800

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ELECTRICAL CHARACTERISTICS (Vin = 10 V, IO = 500 mA, TJ = Tlow to 125°C (Note 1), unless otherwise noted)

Characteristic

Symbol

MC7805B, NCV7805B

MC7805C

Unit

Min

Typ

Max

Min

Typ

Max

Output Voltage (TJ = 25°C)

VO

4.8

5.0

5.2

4.8

5.0

5.2

Vdc

Output Voltage (5.0 mA

≤ IO ≤ 1.0 A, PD ≤ 15 W)

7.0 Vdc

≤ Vin ≤ 20 Vdc

8.0 Vdc

≤ Vin ≤ 20 Vdc

VO

−

4.75

−

5.0

−

5.25

4.75

−

5.0

−

5.25

−

Vdc

Line Regulation (Note 4)

7.5 Vdc

≤ Vin ≤ 20 Vdc, 1.0 A

8.0 Vdc

≤ Vin ≤ 12 Vdc

Regline

−

5.0

1.3

100

50

−

0.5

0.8

20

10

mV

Load Regulation (Note 4)

5.0 mA

≤ IO ≤ 1.0 A

5.0 mA

≤ IO ≤ 1.5 A (TA = 25°C)

Regload

−

1.3

0.15

100

50

−

1.3

25

mV

Quiescent Current

IB

−

3.2

8.0

−

3.2

6.5

mA

Quiescent Current Change

7.0 Vdc

≤ Vin ≤ 25 Vdc

5.0 mA

≤ IO ≤ 1.0 A (TA = 25°C)

DIB

−

0.5

−

0.3

0.08

1.0

0.8

mA

Ripple Rejection

8.0 Vdc

≤ Vin ≤ 18 Vdc, f = 120 Hz

RR

−

68

−

62

83

−

dB

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

VI − VO

−

2.0

−

2.0

−

Vdc

Output Noise Voltage (TA = 25°C)

10 Hz

≤ f ≤ 100 kHz

Vn

−

10

−

10

−

mV/VO

Output Resistance f = 1.0 kHz

rO

−

0.9

−

0.9

−

m

W

Short Circuit Current Limit (TA = 25°C)

Vin = 35 Vdc

ISC

−

0.2

−

0.6

−

A

Peak Output Current (TJ = 25°C)

Imax

−

2.2

−

2.2

−

A

Average Temperature Coefficient of Output Voltage

TCVO

−

−0.3

−

−0.3

−

mV/

°C

1. Tlow =0°C for MC78XXC, MC78XXAC,

=

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

2. 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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