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Table B-1 lists the electrical, mechanical, and environmental specifications for the
RCM3720 Prototyping Board.
Table B-7. RCM3720 Prototyping Board Specifications
Parameter
Board Size
Operating Temperature
Humidity
Input Voltage
Maximum Current Draw
(including user-added circuits)
Prototyping Area
Mounting Holes
B.2.3 Power Supply
The RCM3720 requires a regulated 4.75 V to 5.25 V DC power source to operate.
Depending on the amount of current required by the application, different regulators can
be used to supply this voltage.
The RCM3720 Prototyping Board has an onboard +5 V linear power regulator.
The RCM3720 Prototyping Board itself is protected against reverse polarity by a Shottky
diode at D1 as shown in Figure B-13.
J1
1
DCIN
2
3
Figure B-13. RCM3720 Prototyping Board Power Supply
RabbitCore RCM3700 User's Manual
3.856" × 4.400" × 0.37" (114 mm × 165 mm × 9 mm)
–20°C to +60°C
5% to 95%, noncondensing
7.5 V to 15 V DC
225 mA max.
1.8" × 2.4" (46 mm × 61 mm) throughhole, 0.1" spacing,
additional space for SMT components
4, 0.156" (4 mm) diameter, accept 6-32 screws and #6 spacers
LINEAR POWER REGULATOR
D1
1
C9
1N5819
C1
47 µF
10 µF
Specification
+5 V
LM13405-5
U2
3
C2
C7
2
10 µF
330 µF
115
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