ISL6113EVAL1Z 데이터 시트보기 (PDF) - Intersil

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ISL6113EVAL1Z

Dual Slot PCI-E Hot Plug Controllers

Intersil 

ISL6113, ISL6114

Pin Descriptions (Continued)

PIN

NAME

FUNCTION

3, 34

12VGATEA,

12VGATEB

12VMAIN gate drive output, connects to gate of an external P-Channel MOSFET. During power-up, this pin is

pulled down with a 25µA (5µA for ISL6114) current to control the dv/dt ramp of the output voltage to the slot. During

CR, the voltage on this pin is modulated to maintain a constant current into the load. During power-down or

latch-off for an overcurrent fault, this pin is pulled high to 12VIN by internal sources.

14,

3VGATEA,

3VMAIN gate drive outputs connects to gate of an external N-Channel MOSFET. During power-up this pin charges

23

3VGATEB

up with a 25µA (5µA for ISL6114) current to control the dv/dt ramp of the output voltage to the slot load. During

CRTIM the voltage on this pin is modulated to maintain a constant current into the load. During power-down or

latch-off for an overcurrent fault this pin is pulled low by internal sources.

37, 18

PERSTA,

PERSTB

100ms delayed report of MAIN supplies output voltage compliance.

2, 35

CFILTERA,

CFILTERB

A capacitor connected between each of these pins and ground sets the current regulated duration (tFILTER) for

each slot. tFILTER is the amount of time for which a slot remains in current limit before its circuit breaker is tripped.

17, 33,

46

GND

IC ground reference

7,19, 20,

NC

No Connect

30

5

FN6457.0

September 25, 2007

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