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ILC7536 Datasheet(PDF) 1 Page - Impala Linear Corporation |
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ILC7536 Datasheet(HTML) 1 Page - Impala Linear Corporation |
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1 / 1 page 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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