Problem with Switching regulator U12 on AX3500
- hemantdandekar
- Topic Author
- Offline
Less
More
- Posts: 36
- Thank you received: 0
13 years 9 months ago #29524897
by hemantdandekar
Problem with Switching regulator U12 on AX3500 was created by hemantdandekar
Dear Sir
I am using AX3500.due to shorting U12 not giving output. I have changed it but track on Pin5 of U12 broken(ON/OFF pin according to data sheet of LM2674).I want to connect jumper wire between pin5 of U12 and other point but i don\'t know where is other point(connection). Please help me.
I am using AX3500.due to shorting U12 not giving output. I have changed it but track on Pin5 of U12 broken(ON/OFF pin according to data sheet of LM2674).I want to connect jumper wire between pin5 of U12 and other point but i don\'t know where is other point(connection). Please help me.
Please Log in or Create an account to join the conversation.
- cosma
13 years 9 months ago #29524898
by cosma
Replied by cosma on topic Re:Problem with Switching regulator U12 on AX3500
If you leave pin5 unconnected, the controller will turn on when you apply power to Vmot or PowerCtrl. I suggest that you leave it unconnected for now.
Please Log in or Create an account to join the conversation.
- hemantdandekar
- Topic Author
- Offline
Less
More
- Posts: 36
- Thank you received: 0
13 years 8 months ago #29524911
by hemantdandekar
Replied by hemantdandekar on topic Re:Problem with Switching regulator U12 on AX3500
Dear Sir
What is the role of RT1 and RT2 on AX3500.
What is the role of RT1 and RT2 on AX3500.
Please Log in or Create an account to join the conversation.
- cosma
13 years 8 months ago #29524912
by cosma
Replied by cosma on topic Re:Problem with Switching regulator U12 on AX3500
These are the temperature sensors. They monitor the mosfet temperatures for each of the output channels.
Please Log in or Create an account to join the conversation.
Moderators: tonysantoni
Time to create page: 0.080 seconds