AP1212 Datasheet, PDF (1/12 Pages) Anachip Corp – Dual USB High-Side Power Switch

Features
• Compliant to USB specifications
• Dual independent switches control
• 2.7V to 5.5V input voltage
• 500mA minimum continuous current per port
• 110mΩ typical on-resistance
• 1.25A maximum short circuit current limit
• Independent open-drain fault flag pins
• 110μA typical on-state supply current
• 1μA 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)
• SOP-8L: Available in “Green” Molding Compound
(No Br, Sb)
• Lead Free Finish/RoHS Compliant (Note 1)
Applications
• USB hubs
• Hot plug-in power supplies
• Battery-charger circuits
AP1212
DUAL USB HIGH-SIDE POWER SWITCH
General Description
The AP1212 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 AP1212 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 1000mA, 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.
Ordering Information
A P1212 X X X X
Enable
H : Active - High
L : Active - Low
Package
S : SOP - 8L
Lead Free
L : Lead Free
G : Green
Packing
- U : Tube
-13 _: Taping
Note:
1. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7.
Device
(Note 3)
AP1212XS
Package
Code
Packaging
S
SOP-8L
Tube
Quantity
Part Number
Suffix
100
-U
13” Tape and Reel
Quantity
Part Number
Suffix
2500/Tape & Reel
-13
Note: 2. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be on found our website at
http://www.diodes.com/datasheets/ap02001.pdf.
AP1212 Rev. 2
1 of 12
www.diodes.com
FEBRUARY 2007
© Diodes Incorporated