MC78M12CDTXM 查看數據表（PDF） - Fairchild Semiconductor

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MC78M12CDTXM

3-Terminal 0.5 A Positive Voltage Regulator

Fairchild Semiconductor 

Electrical Characteristics

Refer to the test circuits, 0 < TJ < +125°C, IO = 350 mA, VI = 10 V, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.

Symbol

Parameter

VO

Output Voltage

ΔVO

Line Regulation(4)

ΔVO

Load Regulation(4)

IQ

Quiescent Current

ΔIQ

Quiescent Current Change

ΔV/ΔT

VN

RR

VD

ISC

IPK

Output Voltage Drift

Output Noise Voltage

Ripple Rejection

Dropout Voltage

Short-Circuit Current

Peak Current

Conditions

TJ = +25°C

IO = 5 mA to 350 mA,

VI = 7 V to 20 V

IO = 200 mA

TJ = +25°C

VI = 7 V to 25 V

VI = 8 V to 25 V

IO = 5 mA to 0.5 A, TJ = +25°C

IO = 5 mA to 200 mA, TJ = +25 °C

TJ = +25°C

IO = 5 mA to 350 mA

IO = 200 mA,

VI = 8 V to 25 V

IO = 5 mA

TJ = 0 to +125°C

f = 10 Hz to 100 kHz

f = 120 Hz, IO = 300 mA

VI = 8 V to 18 V, TJ = +25 °C

TJ = +25°C, IO = 500 mA

TJ = +25°C, VI = 35 V

TJ = +25°C

Min.

4.8

4.75

Typ.

5.0

5.00

4.0

-0.5

40

80

2

300

700

Max.

5.2

5.25

Unit

V

100

mV

50

100

mV

50

6.0

mA

0.5

mA

0.8

mV/°C

μV/Vo

dB

V

mA

mA

Note:

4. Load and line regulation are specified at constant junction temperature. Change in Vo due to heating effects must be

taken into account separately. Pulse testing with low duty is used.

© 2001 Fairchild Semiconductor Corporation

KA78M05 / LM78M05 / MC78M05 Rev. 1.1.0

3

www.fairchildsemi.com

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