AAT4626
USB Dual-Channel Power Switch
Pin Descriptions
Pin #
Symbol
Function
1 / 4
EN(A/B)
(EN(A/B))
Enable inputs: logic-compatible enable input. High input > 2.1V typical. Low
input < 1.9V typical. Active high or active low option available; see Ordering
Information for details.
2 / 3
FLG(A/B)
Fault flag outputs: active-low, open-drain output. Indicates over-current,
UVLO, and thermal shutdown.
6
7
GND
IN
Ground connection.
Supply input: this pin is the source connection for the P-channel MOSFETs.
Also supplies the IC's internal circuitry.
8 / 5
OUT(A/B)
Switch outputs: these pins are the P-channel MOSFET drain connection.
Pin Configuration
SOP-8
(Top View)
TSSOP-8
(Top View)
1
8
OUTA
ENA (ENA)
1
2
3
4
8
7
6
5
ENA (ENA)
FLGA
OUTA
IN
2
3
4
7
6
5
FLGA
FLGB
IN
FLGB
GND
OUTB
GND
OUTB
ENB (ENB)
ENB (ENB)
2
4626.2006.05.1.2
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
