PW5410 Series Circuit board

1，Circuit board  PCB description：

1.1  Name ： PW5410 Series  Circuit board

1.2  Applications ： Voltage buck converter  board

1.3  VIN input voltage ： 1.8V-5V (PW5410B)， 2.7V-5V（ PW5410A）

1.4  VOUT output voltage ： 3.3V（ PW5410B-No.59）， 5V（ PW5410A-No.75）

1.5  Introduction to ChipFunctions ：

1， Power supply chip：PW5410A

PW5410A input  voltage is 2.7V ~ 5V, fixed output 5V, output voltage accuracy plus or minus4%, output current up to 250mA, peripheral only three SMD ceramic capacitors,charge pump booster chip.

2， Power supply chip：PW5410B

PW5410A input  voltage is 1.8V ~ 5V, fixed output 3.3V, output voltage accuracy plus or minus4%, Buck-Boost input current up to 100mA, peripheral only three SMD ceramic  capacitors, charge pump converter chip.

2 ， Circuit diagram：

Note 1：CFLY requires  ceramic capacitor, not electrolytic capacitor, 3-pin EN switch pin: high level  on, low level off.

3， PCB diagram and 3D  display diagram