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ILC7536 Fiches technique(PDF) 1 Page - Impala Linear Corporation

No de pièce ILC7536
Description  USB DUAL POWER CONTROL SWITCHES
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Fabricant  IMPALA [Impala Linear Corporation]
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Logo IMPALA - Impala Linear Corporation

ILC7536 Fiches technique(HTML) 1 Page - Impala Linear Corporation

  ILC7536 Datasheet HTML 1Page - Impala Linear Corporation  
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PRODUCT NEWS BULLETIN
General Description
The ILC7526 contains dual high side power control switches, with
independent enable and flag functions, integrated into a single 8-
Pin SOIC package.
With just a few external components, the
ILC7526 can be easily configured to meet requirements for either
self powered or bus powered USB (Universal Serial Bus) applica-
tions. The ILC7526 has active high ENABLE inputs, while the
ILC7536 ENABLE inputs are active low. With maximum RDSON
value of 140m
Ω per switch, the USB voltage drop requirements
can be achieved. Each switch can also supply up to 500mA, with
internal circuitry limiting the fault current to 750mA. Fault condi-
tions are also reported to the USB controller via one of the inde-
pendent flag pins. Internal circuitry provides a soft-start that elim-
inates momentary upstream voltage drops when the switch is
enabled, especially in bus powered applications. Additional fea-
tures include undervoltage lockout (2.4V), fast turn-off, 2.8V to
5.8V input voltage range, thermal shutdown to prevent switch fail-
ure from high current loads, and 3.3V and 5V logic compatible
enable inputs.
www.impalalinear.com
5225 Hellyer Ave., Suite 200
San Jose, CA 95138
(408) 574-3939
Applications
USB Host and self-powered Hubs
USB bus-powered Hubs
Hot plug-in power supplies
Battery Charger circuits
Power Saving Features
<1µA typical off-state supply current
50µA typical on-state supply current
System Advantages
Ultra low RDSON of 140mΩ per switch
500mA continuous load current per
channel
2 independent switches with Enables
and Flags
2.4V typical undervoltage lockout
1.25A maximum short circuit limit
Soft-start with 1mS turn-on
Over current / over temperature
protection - No external components
USB Specifications complaint
System Options
ILC7526 has active High Enable
ILC7536 has active Low Enable
Package Options
8-Pin SOIC
ILC7526/36
USB Dual Power Control Switches
IMPALA LINEAR CORPORATION
ENA
FLGA
FLGB
ENB
IN
OUTB
OUTA
GND
+5V
D-
D+
GND
+5V
D-
D+
GND
47uF
47uF
0.1F
+5V
VCC
100K
100K
Over Current A
Over Current B
ON/OFF A
ON/OFF B
+3.3V
VCC
10K
10K
USB
Port A
USB
Port B
USB
Controller
ILC7526/36
4
DA-
DA+
DB-
DB+
Output current to
500mA with 750mA
fault current limiting
Overcurrent Flags and
seperate enable pins
Short-Circuit and Thermal
shutdown protection
Extremely low supply current -
50µA on-state, <1µA off-state


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