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)

ABSOLUTE MAXIMUM RATINGS (TA=+25°C, unless otherwise specified)

Characteristic

Input Voltage

Thermal Resistance Junction-Cases

Junction-Air

Operating Temperature Range

Storage Temperature Range

Symbol

VI

RθJC

RθJA

TOPR

TSTG

Value

-35

5

65

0 ~ +125

- 65 ~ +150

Unit

V

°C / W

°C /W

°C

°C

LM7905 ELECTRICAL CHARACTERISTICS

(VI = 10V, 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

VO

∆VO

∆VO

IQ

∆IQ

∆VO/∆T

VN

RR

VD

ISC

IPK

Test Conditions

TJ =+25°C

IO = 5mA to 1A, PO 15W

VI = -7 to -20V

VI = -7 to -20V

TJ =25°C

IO=1A

VI = -8 to -12V

IO=1A

VI = -7.5 to -25V

VI= -8 to -12V

IO=1A

IO = 5mA to 1.5A

TJ =+25°C

IO = 250 to 750mA

TJ =+25°C

IO = 5mA to 1A

VI = -8 to -25V

IO = 5mA

f = 10Hz to 100KHz

TA =+25°C

f = 120Hz, IO = -35V

∆VI = 10V

TJ=+25°C

IO = 1A

TJ =+25°C, VI = -35V

TJ =+25°C

Min

- 4.8

- 4.75

Typ

- 5.0

-5.0

5

Max

- 5.2

- 5.25

50

2

25

Unit

V

mV

7

50

7

50

10

100

3

50

3

6

0.05

0.5

0.1

0.8

- 0.4

40

mV

mA

mA

mV/°C

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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