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AAT3172 Datasheet(PDF) 14 Page - Advanced Analog Technology, Inc.

Part # AAT3172
Description  High Current LED Flash Driver Charge Pump IC
PDF  15 Pages
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Manufacturer  AAT [Advanced Analog Technology, Inc.]
Direct Link  http://www.aatech.com.tw
Logo AAT - Advanced Analog Technology, Inc.

AAT3172 Datasheet(HTML) 14 Page - Advanced Analog Technology, Inc.

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The chip ground is internally connected to both the
paddle and the GND pin. The GND pin conducts
large currents and it is important to minimize any
differences in potential that can result between the
GND pin and exposed paddle. It is good practice to
connect the GND pin to the exposed paddle area
using a trace as shown in Figure 3.
The flying capacitors C1 and C2 should be con-
nected close to the chip. Trace length should be
kept short to minimize path resistance and potential
coupling. The input and output capacitors should
also be placed as close to the chip as possible.
Figure 3: Example PCB Layout.
AAT3172
High Current LED Flash Driver Charge Pump IC
14
3172.2006.05.1.5
14
3172.2006.05.1.5



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