AAT1275 Analogic Corporation, AAT1275 Datasheet - Page 2

• Manufacturer Part Number: AAT1275
• Manufacturer: Analogic Corporation

Pin Descriptions
Pin Configuration
2
TSOPJW-12
10
11
12
1
2
3
4
5
6
7
8
9
PGND
OUT1
OUT2
Pin #
LIN
SW
IN
TDFN34-16
13, 14
11, 12
1, 16
3, 15
EP
10
9
8
7
6
5
4
2
1
2
3
5
6
4
TSOPJW-12
(Top View)
Symbol
PGND
OUT1
OUT2
GND
VCC
SET
SW
FLT
LIN
EN
FB
IN
12
11
10
9
8
7
EN
VCC
GND
FB
FLT
SET
Function
Switched power input. Connect an inductor between this pin and the SW pin.
Supply input.
Power ground.
Switch pin. Boost inductor is connected between SW and LIN.
Boost converter output.
Load switch output.
Load switch current limit programming pin. Connect a set resistor between
this pin and ground.
Load switch over-current or over-temperature fault flag. Active low, open-
drain output. A 10kΩ external pull-up resistor is recommended.
Boost converter voltage feedback pin.
Ground.
Bias supply for the internal circuitry.
Enable pin, active high.
Exposed paddle (bottom); connect to ground directly beneath the package.
Boost Converter with USB Power Switch
GND
VCC
SET
FLT
LIN
EN
FB
IN
1
2
3
4
5
6
7
8
TDNF34-16
(Top View)
16
15
14
13
12
10
11
9
LIN
IN
PGND
PGND
SW
SW
OUT1
OUT2
AAT1275
1275.2006.12.1.2