AAT4291IJS-1-T1 AAT [Advanced Analog Technology, Inc.], AAT4291IJS-1-T1 Datasheet - Page 11

• Manufacturer Part Number: AAT4291IJS-1-T1
• Description: I/O Expander Load Switches with Serial Control
• Manufacturer: AAT [Advanced Analog Technology, Inc.]

Applications Circuits
4290.2006.03.1.2
ON/OFF
CLOCK
V
BATTERY
10µF
µController
VIN
SC70JW-8: 2x2mm
SHDN
AAT3110IJS-5.0
System
(eliminates three discrete MOSFET switches).
GND
GPIO 1
GPIO 2
GPIO 3
GPIO 4
GPIO 5
(condense five GPIO control lines to one).
VOUT
1.8 to 5.5V
Figure 1: GPIO I/O Expander
V
I/O Expander Load Switches with Serial Control
Figure 2: RGB LED Control
C+
C-
SUPPLY
1µF
IN
EN/SET
are now free for
other uses
AAT4290
GPIO 2
GPIO 5
10µF
to
OUT1
OUT2
OUT3
OUT4
OUT5
SC70JW-8: 2x2mm
IN
EN/SET
AAT4291IJS
GND
EN 1
EN 2
EN 3
EN 4
EN 5
OUT1
OUT2
OUT3
Function 1
Function 2
Function 3
Function 4
Function 5
R
R
AAT4290/91
R
RGB LED
R
G
G
R
B
B
11