Jun 23, 2009 #1 M modbro Newbie level 4 Joined Jun 23, 2009 Messages 7 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,314 forward Hi All, Pls suggest a dc-dc SMPS controller IC that can operate at 9 to 36Vin. Switching frequency is 400KHz. My o/p specs is 5.1V, 1.4A Preferaably small components count...
forward Hi All, Pls suggest a dc-dc SMPS controller IC that can operate at 9 to 36Vin. Switching frequency is 400KHz. My o/p specs is 5.1V, 1.4A Preferaably small components count...
Jun 23, 2009 #2 FvM Super Moderator Staff member Joined Jan 22, 2008 Messages 53,095 Helped 14,792 Reputation 29,871 Reaction score 14,289 Trophy points 1,393 Location Bochum, Germany Activity points 300,995 Major vendors, e.g. Linear, National, TI have good web tools to locate suitable parts.
Jun 23, 2009 #3 M modbro Newbie level 4 Joined Jun 23, 2009 Messages 7 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,314 I have tried SI9112 fron vishay but could not eliminate the overshoot at turn-on. Extremely difficult to stabilize the feedback too. I just read the NS's LM5015 - cannot handle 1.4A at 9Vin due to the current threshold of the embeded MOSFET is exeeded. I'm running out of options... Does anyone designed like this before?
I have tried SI9112 fron vishay but could not eliminate the overshoot at turn-on. Extremely difficult to stabilize the feedback too. I just read the NS's LM5015 - cannot handle 1.4A at 9Vin due to the current threshold of the embeded MOSFET is exeeded. I'm running out of options... Does anyone designed like this before?
Jun 24, 2009 #4 L LordAli Member level 2 Joined May 22, 2009 Messages 43 Helped 3 Reputation 6 Reaction score 1 Trophy points 1,288 Location Czech Activity points 1,514 Try to look at Fairchild. https://www.fairchildsemi.com/ Maybe their power switches solves your problem. I think they could have something for you :wink:
Try to look at Fairchild. https://www.fairchildsemi.com/ Maybe their power switches solves your problem. I think they could have something for you :wink: