Raspberry Pi PSU assembly notes

Now I have shifted the PSU from 19" rack to shoe rack.  The PSU has 3 voltage outputs.

1. 5V3 1A (LM2941, jumper selective 4.9/5.2/5.3/5.4V) for Raspberry Pi

2. 5V3 3A (LM2956, 4.8/5.1/5.3V)  for peripherals

3. 3V3 500 mA for peripherals.


PSU Specifications


A. Sun Power switching power supply SP-12-24 200VAC 12V 2A

B. LM2941 1A Low Dropout Adjustable Regulator

Jumper selectable voltage output

0. 4.9 V
1. 5.2 V
2. 5.3 V
3. 5.4 V


C. LM2596 3A Step-Down Voltage Regulator (150KHz switching power converter)

Jumper selectable voltage output

0. 4.8 V
1. 5.1 V
2. 5.3 V


D. LM2937-3.3 500mA Voltage Regulator

.END