SPX2950 查看數據表（PDF） - Signal Processing Technologies

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产品描述 (功能)

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SPX2950

150mA Low Dropout Voltage Regulators

Signal Processing Technologies 

TYPICAL APPLICATIONS (continued)

SPX2950/SPX2951

+VIN

AUX SHUTDOW

INPUT

OFF

ON

3 SD

8

+VIN

_______ 5

ERROR

10KΩ ..

5 DEGREE SHUTDOWN

FLAG

SPX2951 VOUT 1

+

TEMP

SENSOR

AS35

-

GND

4

FB

7

8.2KΩ ..

EXTERNAL CIRCUIT

PROTECTED

FORVOEMR

T(VE+MGPOEERSATOUFRFE

WTEHMEPN> 125)

System Over Temperature Protection Circuit

OR

RELAY

4

20mA

1N4001

0.1uF

8

+V IN

1

V OUT

SPX2951

7

FB

+5V

4.7mA

OUTPUT

2

GND

4

1N457

360KΩ ..

MIN VOLTAGE = 4V

Open Circuit Detector for 4mA to 20mA Current Loop

UNREGULATED INPUT

5

IN

1

V OUT

SPX2951

330KΩ ..

27KΩ ..

2N5432

3

V TAP

FB

7

2

SENSE

GND

4

+

4.7uF

5V

OUTPUT

LOAD

50mA

TO

300 mA

300 mA Regulator with 0.75 Dropout

Rev. 10/30/00

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