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ADVANCED COMMUNICATIONS & SENSING
8
Power Supply
The board provides different power supply voltage possibilities; the following paragraphs describe how to
configure and use them.
8.1
Power Sources Specifications
The board can be powered through three different sources:
1. VBUS:
2. VLDO:
3. VEXT:
Input analog voltages specified in the device datasheet.
Voltage range
VBUS
1
VLDO
VEXT
Board current driving capability
1.
Temperature range from -40 to 85°C
2.
External power supply
ACS - Revision 1.0
© Semtech Corp.
USB power coming from the PC.
3.3V Regulated voltage.
External source applied on VEXT interface.
Table 1. Power Sources Specifications
Min
4.5
2.4
-
May 2011
Evaluation Kit for SX8724S Data Acquisition System
Typ
Max
Unit
5
5.5
3.3
-
5.5
100
Page 12
SX8724SEVK
Comment
V
DC, Unregulated
V
DC, Regulated
2
V
DC, Unregulated
mA
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