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參數(shù)資料
| 型號： | AP1202LSLA |
| 廠商： | INTEGRATED CIRCUIT TECHNOLOGY CORP |
| 元件分類： | MOSFETs |
| 英文描述： | 0.6 A HALF BRDG BASED MOSFET DRIVER, PDSO8 |
| 封裝： | LEAD FREE, SOIC-8 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 702K |
| 代理商： | AP1202LSLA |
AP1202
Dual USB High-Side Power Switch
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 1.1 May.26, 2005
1/11
Features
- Compliant to USB specifications
- Dual independent switches control
- 2.7V to 5.5V input voltage
- 500mA minimum continuous current per port
- 110m typical on-resistance
- 0.75A maximum short circuit current limit
- Independent open-drain fault flag pins
- 110A typical on-state supply current
- 1A typical off-state supply current
- Output can be forced higher than input (off-state)
- Thermal shutdown
- 2.4V typical under voltage lockout (UVLO)
- 1ms turn-on (soft-start) and fast turn-off
- Enable active-high (H) or active-low (L)
- 8-pin SOP and PDIP packages
Applications
USB hubs
Hot plug-in power supplies
Battery-charger circuits
General Description
The AP1202 series are dual integrated high-side
power switch with independent enable and flag
functions,
optimized
for
self-powered
and
bus-powered
Universal
Serial
Bus
(USB)
applications. The AP1202 series support the
following USB requirements: each switch channel
supplies up to 500mA as required by USB
downstream devices; the switch’s low on-resistance
meets USB voltage drop requirements; fault current
is limited to typically 650mA, well below the UL
25VA safety requirements; and a flag output is
available to indicate fault conditions to the local
USB controller. Soft start eliminates the momentary
voltage drop on the upstream port that may occur
when the switch is enabled in bus-powered
applications.
Additional features include thermal shutdown to
prevent catastrophic switch failure from high-current
loads, under voltage lockout (UVLO) to ensure that
the device remains off unless there is a valid input
voltage present, and 3.3V and 5V logic compatible
enable inputs.
Pin Assignments
EN1
EN2
FLG1
FLG2
1
2
3
4
8
7
6
5 OUT2
OUT1
GND
IN
PDIP/SOP
AP1202
(Top View)
Pin Descriptions
Name
Description
EN1
EN2
Enable: Logic-compatible enable
input. ( H: active high, L: active low).
Do not float.
FLG1
FLG2
Fault Flag: Active-low, open-drain
output. Indicates over current,
UVLO, and thermal shutdown.
GND
Supply return.
IN
Supply Input: Output MOSFET drain.
Also supplies IC’s internal circuitry.
Connect to positive supply.
OUT1
OUT2
Switch Output: Output MOSFET
source. Typically connect to
switched side of load.
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