LM78M05(2002) 查看數據表（PDF） - Fairchild Semiconductor

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LM78M05
(Rev.:2002)

3-Terminal 0.5A Positive Voltage Regulator

Fairchild Semiconductor 

MC78MXX/LM78MXX

Electrical Characteristics (MC78M24) (Continued)

(Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=33V, unless otherwise specified, CI =0.33µF, CO=0.1µF)

Parameter

Output Voltage

Line Regulation (Note1)

Load Regulation (Note1)

Quiescent Current

Quiescent Current Change

Output Voltage Drift

Output Noise Voltage

Ripple Rejection

Dropout Voltage

Short Circuit Current

Peak Current

Symbol

VO

∆VO

∆VO

IQ

∆IQ

∆V/∆T

VN

RR

VD

ISC

IPK

Conditions

TJ =+25°C

IO = 5mA to 350mA

VI = 27V to 38V

IO = 200mA VI = 27V to 38V

TJ =+25°C VI = 28V to 38V

IO = 5mA to 0.5A, TJ =+25°C

IO = 5mA to 200mA, TJ =+25°C

TJ = +25°C

IO = 5mA to 350mA

IO = 200mA

VI = 27V to 38V

IO = 5mA

TJ = 0 to +125°C

f = 10Hz to 100kHz

f = 120Hz, IO = 300mA

VI = 28V to 38V, TJ =+25 °C

TJ = +25°C, IO = 500mA

TJ = +25°C, VI = 35V

TJ = +25°C

Min.

23

22.8

-

-

-

-

-

-

-

-

-

-

-

-

-

Typ.

24

24

-

-

-

-

4.2

-

-

-1.2

170

70

2

300

700

Max.

25

25.2

100

50

480

240

6.0

0.5

0.8

-

-

-

-

-

-

Unit

V

mV

mV

mA

mA

mV/°C

µV/Vo

dB

V

mA

mA

Note:

1. 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.

8

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