GSM power supply

by BrK.
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2 layer board of 1.25x0.95 inches (31.78x24.13 mm).
Shared on September 6th, 2016 20:54.

Based on the sim800H hardware design example.

-BOM-

C1: 6.3X7.7 - NICHICON 100uF

C2: 0805 1uF

C3: 10x10 - NICHICON 330uF 35V

C4: 0805 1uF

R1: 0805 2.2K

R2: 0805 1K

L1: LQH32MN101J23L 100uH

L2(FB): 2220 270 Ohm

D1: B54 SMC DO-214AB (5A 40V)

IC1: LM2596-ADJ

The bord is working just fine. Castelation not. This board ended up with no plating at all on the edge pins.

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