MC78M08CT datasheet(6/14 Pages) FAIRCHILD

Part #	MC78M08CT

Description	3-Terminal 0.5A Positive Voltage Regulator

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

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6 / 14 page

MC78MXX/LM78MXX

6

Electrical Characteristics (MC78M15) (Continued)

(Refer to the test circuits, 0 < TJ < +125

°C, IO=350mA, VI=23V, unless otherwise specified, CI =0.33µF, CO=0.1µF)

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.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Output Voltage

VO

TJ = +25

°C

14.4

15

15.6

V

IO = 5mA to 350mA

VI = 17.5V to 30V

14.25

15

15.75

Line Regulation (Note1)

∆VO

IO = 200mA

TJ =+25

°C

VI = 17.5V to 30V

-

100

mV

VI = 20V to 30V

-

50

Load Regulation (Note1)

∆VO

IO = 5mA to 0.5A, TJ =+25

°C

-

300

mV

IO = 5mA to 200mA, TJ =+25

°C

-

150

Quiescent Current

IQ

TJ = +25

°C-

4.1

6.0

mA

Quiescent Current Change

∆IQ

IO = 5mA to 350mA

-

0.5

mA

IO = 200mA

VI = 17.5V to 30V

--

0.8

Output Voltage Drift

∆V/∆T

IO = 5mA

TJ = 0 to +125

°C

--1

-

mV/

°C

Output Noise Voltage

VN

f = 10Hz to 100kHz

-

100

-

µV/Vo

Ripple Rejection

RR

f = 120Hz, IO = 300mA

VI = 18.5V to 28.5V, TJ =+25

°C

-70

-

dB

Dropout Voltage

VD

TJ =+25

°C, IO = 500mA

-

2

-

V

Short Circuit Current

ISC

TJ = +25

°C, VI = 35V

-

300

-

mA

Peak Current

IPK

TJ = +25

°C

-

700

-

mA

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