MC7906 datasheet(7/18 Pages) FAIRCHILD

No. de pieza	MC7906

Descripción Electrónicos	3-Terminal 1A Negative Voltage Regulator

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MC79XX/MC79XXA/LM79XX

7

Electrical Characteristics (MC7912) (Continued)

(VI = -19V, IO = 500mA, 0

°C ≤TJ ≤ +125°C, CI =2.2µF, CO =1µF, unless otherwise specified.)

Note:

1. 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 is used.

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Output Voltage

VO

TJ = +25

°C

-11.5

-12

-12.5

V

IO = 5mA to 1A, PO

≤ 15W

VI = -15.5V to -27V

-11.4

-12

-12.6

Line Regulation (Note1)

∆VO

TJ = +25

°C

VI = -14.5V to -30V

-

12

240

mV

VI = -16V to -22V

-

6

120

Load Regulation (Note1)

∆VO

TJ = +25

°C

IO = 5mA to 1.5A

-

12

240

mV

TJ = +25

°C

IO = 250mA to 750mA

-

4

120

Quiescent Current

IQ

TJ = +25

°C-

3

6

mA

Quiescent Current Change

∆IQ

IO = 5mA to 1A

-

0.05

0.5

mA

VI = -14.5V to -30V

-

0.1

1

Temperature Coefficient of VD

∆Vo/∆TIO = 5mA

-

-0.8

-

mV/

°C

Output Noise Voltage

VN

f = 10Hz to 100kHz

TA = +25

°C

-

200

-

µV

Ripple Rejection

RR

f = 120Hz

∆VI = 10V

54

60

-

dB

Dropout Voltage

VD

TJ = +25

°C

IO = 1A

-2

-

V

Short Circuit Current

ISC

TJ = +25

°C, VI = -35V

-

300

-

mA

Peak Current

IPK

TJ = +25

°C-

2.2

-

A

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MC7906 Datasheet(PDF) 7 Page - Fairchild Semiconductor

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