Tool/software: WEBENCH® Design Tools
I have designed DC to DC converter design using WEBENCH reference design (webench_design_4818414_1_715752205) but after the populating the components over the PCB I am getting only 4V DC output though the reference design is for 7.7V/ 10A
Here's the voltage readings at various nodes in the circuit, Please suggest if there is a problem in the webench design circuit
|
Test board |
Pin 22 (PGD) |
0V |
Pin 21 (EN/SS) |
0V |
Pin 4 (BOOT) |
Switching pulses with 4.4V DC |
Pin 18 (ILIM) |
0V |
Pin 19 (BP) |
6.2V |
Pin 20 (VDD) |
12V |
Pin 1 (COMP) |
0.6V |
Pin 2 (FB) |
0V |
Pin 6 (SW) |
4V DC |