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AIC1532CS

500mA DUAL REGULATOR WITH VAUX DRIVE

Analog Intergrations 

! BLOCK DIAGRAM

AIC1532

500mA DUAL REGULATOR WITH VAUX DRIVE

SPEC NO: DS-1532-P1 03/14/00

! PIN DESCRIPTION

PIN 1:

VSBY

- Standby supply voltage (5V) input for

3.3V regulator when VCC falls below

4.3V. Some NICs that operate in

“ Wake-On-LAN” mode get a 5V

standby through a cable that

connects directly to a specific

header on the Motherboard.

PIN 2: VCC - Primary supply voltage (5V) input for

3.3V regulator.

PIN 3: VOUT - 3.3V regulated output voltage when

either VCC or VSBY is present. When

only VAUX (3.3V) is present , VOUT

voltage comes from VAUX through an

internal low impedance switch.

PIN 4: DRIVE - Signal for controlling external

auxiliary switch .Active Low when

internal regulator is disabled .

PIN 5-8: GND - Negative reference for all voltages.

ANALOG INTEGRATIONS CORPORATION

www.analog.com.tw

4F, 9 Industry E. 9th Road, Science-based Industrial Park , Hsinchu, Taiwan, R.O.C. TEL: (8863)577-2500 FAX:(8863)577-2510

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