LM7924 데이터 시트보기 (PDF) - Fairchild Semiconductor

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LM7924

3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS

Fairchild Semiconductor 

MC79XX (LM79XX) (KA79XX/A)

FIXED VOLTAGE REGULATOR (NEGATIVE)

LM7912A ELECTRICAL CHARACTERISTICS

(VI= 18V, lO =500mA, 0°C ≤TJ≤ +125°C, CI =2.2µF, CO = 1µF, unless otherwise specified.)

Characteristic

Output Voltage

Line Regulation

Load Regulation

Quiescent Current

Quiescent Current Change

Temperature Coefficient of VD

Output Noise Voltage

Ripple Rejection

Dropout Voltage

Short Circuit Current

Peak Current

Symbol

Test Conditions

VO

∆VO

∆VO

IQ

∆IQ

∆VO/∆T

VN

RR

VD

ISC

IPK

TJ =+ 25°C

IO = 5mA to 1A, PO 15W

VI = -15.5 to -27V

TJ =+25°C VI = -14.5 to -30V

VI= -16 to -22V

TJ = +25°C

IO = 5mA to 1.5A

TJ =+ 25°C

IO = 250 to 750mA

TJ =+ 25°C

IO = 5mA to 1A

VI = -15 to -30V

IO = 5mA

f = 10Hz to 100Khz

TA =+ 25°C

f = 120Hz

∆VI = 10V

TJ=+ 25°C

IO = 1A

TJ=+ 25°C, VI = -35V

TJ=+ 25°C

Min

Typ

Max

Unit

-11.75

-12

-12.25

-11.5

-12

-12.5

V

12

240

mV

6

120

12

240

mV

4

120

3

6

mA

0.05

0.5

mA

0.1

1

-0.8

mV/°C

200

µV

54

60

dB

2

V

300

mA

2.2

A

* 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.

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