STC7800 datasheet(7/11 Pages) SUNTAC

tên linh kiện	STC7800

Giải thích chi tiết về linh kiện	1.0 A Positive Voltage Regulators

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STC7800 Series

7

ELECTRICAL CHARACTERISTICS (Vin = 23 V, IO = 1.0 A, TJ = Tlow to Thigh (Note 9), unless otherwise noted)

MC78MC7815

Characteristic

Symbol

Min

Typ

Max

Unit

Output Voltage (TJ = 25°C)

VO

14.7

15

15.3

Vdc

Output Voltage (5.0 mA

≤ IO ≤ 1.0 A, PD ≤ 15 W)

VO

14.4

15

15.6

Vdc

17.9 Vdc

≤ Vin ≤ 30 Vdc

Line Regulation (Note

10)

Regline

mV

17.9 Vdc

≤ Vin ≤ 30 Vdc, IO = 500 mA

−

8.5

20

20 Vdc

≤ Vin ≤ 26 Vdc

−

3.0

22

17.5 Vdc

≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C

−

7.0

20

Load Regulation (Note

10)

Regload

mV

5.0 mA

≤ IO ≤ 1.5 A, TJ = 25°C

−

1.8

25

5.0 mA

≤ IO ≤ 1.0 A

−

1.5

25

250 mA

≤ IO ≤ 750 mA

−

1.2

15

Quiescent Current

IB

−

3.5

6.0

mA

Quiescent Current Change

DIB

mA

17.5 Vdc

≤ Vin ≤ 30 Vdc, IO = 500 mA

−

0.8

17.5 Vdc

≤ Vin ≤ 30 Vdc, IO = 1.0 A, TJ = 25°C

−

0.8

5.0 mA

≤ IO ≤ 1.0 A

−

0.5

Ripple Rejection

RR

60

80

−

dB

18.5 Vdc

≤ Vin ≤ 28.5 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)

Vn

−

10

−

mV/VO

10 Hz

≤ f ≤ 100 kHz

Output Resistance f = 1.0 kHz

rO

−

1.2

−

m

W

Short Circuit Current Limit (TA = 25°C)

ISC

−

0.2

−

A

Vin = 35 Vdc

Peak Output Current (TJ = 25°C)

Imax

−

2.2

−

A

Average Temperature Coefficient of Output Voltage

TCVO

−

−1.0

−

mV/

°C

9.Tlow =0°C for STC7800 Series

Thigh = +125°C for STC7800 Series

=

*40°C for STC7800 Series

10.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.

Số phần tương tự - STC7800

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