ISL61861DCBZ【PDF 1/18 页】IC USB PWR CTRLR 3A 8SOIC

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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners.

USB Port Power Supply Controller

ISL6186

The ISL6186 USB power controller family provides

overcurrent (OC) fault protection for one or more USB ports.

This product family consists of eight individual functional

product variants and three package options and is operation

rated for a nominal +2.5V to +5V range and specified over

the full commercial and industrial temperature ranges.

Each ISL6186 type incorporates a 45m?/SPAN> P-channel MOSFET

power switch for power control and features internal current

monitoring, accurate current limiting, and current limited

delay to turn-off for system supply protection along with

control and communication I/O.

The ISL6186 family offers product variants with specified

continuous output current levels of 1.5A, 3A or 3.6A, enable

active high or low inputs, and latch off or automatic retry after

overcurrent turn-off, making these devices well suited for many

low-power applications.

This family of ICs is offered in an industry standard SOIC package

as well as in the 70% smaller 3x3 DFN package, which provides

the same performance and an additional Power-Good output

feature in the smallest possible (10 Ld DFN) package.

Features

"2.5V to 5V Operating Range

"45m?/SPAN> Integrated Power P-channel MOSFET Switches

"Continuous Current Options for 1.5A, 3A and 3.6A

"Thermally Insensitive 12ms of Current Limiting Prior to

Turn-Off

"Output Discharges with Reverse Current Blocking When

Disabled

"Latch-off or Auto Restart and Enable Polarity Options

"1礎 Off-State Supply Current

"Industry Standard Pin-for-Pin SOIC and Smaller DFN

Packages Available

Applications

"USB Port Power Management Including USB 3.0

"Low Power Electronic Circuit Limiting and Breaker

D+

D-

D+

D-

+5V

VIN

FAULT

ENABLE

GND

OUT

ISL6186

VBUS

USB

PORT 1

USB

PORT_2

USB PORT POWER

FIGURE 1. TYPICAL APPLICATION

0.7

0.8

0.9

1.0

1.1

1.2

1.3

-40 -25 0 25 45 75 85 115

TEMPERATURE (癈)

FIGURE 2. NORMALIZED r

DS(ON)

TEMPERATURE

CHARACTERISTIC CURVE

November 3, 2011

FN7698.2

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