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參數(shù)資料
| 型號(hào)： | ILC7536 |
| 廠商： | Impala Linear Corporation |
| 英文描述： | USB DUAL POWER CONTROL SWITCHES |
| 中文描述： | 的USB雙電源控制開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 1/1頁(yè) |
| 文件大?。?/td> | 42K |
| 代理商： | ILC7536 |
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 RDS
ON
value of 140m
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 RDS
ON
of 140m
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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