AIC2359 Datasheet, PDF (8/11 Pages) Analog Intergrations Corporation – 1A Dual Synchronous Step-down DC/DC Converter

 BLOCK DIAGRAM
AIC2359
 PIN DESCRIPTIONS
Pin Number
Pin Name
Pin Function
1
VIN2 Power Input of Channel 2.
2
3, 9, Exposed Pad
(13)
4
LX2
GND
FB1
Pin for Switching of Channel 2.
Ground. The exposed pad must be soldered to a large PCB and
connected to GND for maximum power dissipation.
Feedback of Channel 1.
5, 11
NC1, NC2 No Connection or Connect to VIN.
6
EN1
Chip Enable of Channel 1 (Active High). VEN1 ≦ VIN1.
7
VIN1 Power Input of Channel 1.
8
LX1
Pin for Switching of Channel 1.
10
FB2
Feedback of Channel 2.
12
EN2
Chip Enable of Channel 2 (Active High). VEN2 ≦ VIN2.
8