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AIC1383

1.5A Termination Regulator

Analog Intergrations 

AIC1383

PIN DESCRIPTIONS

PIN 1:

PIN 2:

PIN 3:

VIN - Input supply pin. It provides

main power to create the

external reference voltage by

divider resistors for regulating

VREF and VOUT.

GND - Ground pin.

VREF - Reference voltage input. Pull

this pin low to shutdown device.

APPLICATION INFORMATION

Layout Consideration

AIC1383 is in SOP-8 package resulting in unable

to dissipate heat easily when it operates in high

current. In order to prevent maximum junction

temperature exceeded, the suitable copper area

has to use.

PIN 4: VOUT - Output pin.

PIN 5~8: VCNTL - Input supply pin. It is used to

supply all the internal control

circuitry.

The large copper at VCNTL pins is available, and

the heat dissipation is relieved. Using via to lead

heat into the bottom layer to strengthen as below

figures show.

All capacitors should be placed as close as

possible to relative pins.

Fig. 10. Top layer

Fig. 11. Bottom layer

Fig. 12. Placement

6

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