DC 5V to DC 15V question [Richard]
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Posts: 46,084
Richard,
Maybe you can specify the part numbers to help the guy out.
--- In basicstamps@y..., "Richard Friedrich" <rfriedrich@a...> wrote:
> I don't know what you are building. I thought this was a prototype
or a one
> of a kind device.
>
> The modules I have output 15 volts at 100 ma with 5 volt input.
> I noticed the chips you found are 50 ma output - is that the
problem?
> $2.45 seem cheap to me.
>
> I use mine for +/- supplies for op-amps
> I don't know anything about nmos fets
>
> richard
>
>
>
>
>
Original Message
> From: "Jay Hanson" <j@q...>
> To: <basicstamps@y...>
> Sent: Friday, August 31, 2001 2:49 PM
> Subject: RE: [noparse][[/noparse]basicstamps] DC 5V to DC 15V question
>
>
> > On second thought, perhaps I wasn't clear in my initial post. I
am
> > designing an automotive circuit and need to boost 5V to 15V to
bias some
> > nmos fets.
> >
> > The only chip I found that came close to what I was looking for
was a
> > MAX633.
> >
> > http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=1379
> >
> > I believe this part is at least ten years old. Is there anything
newer
> and
> > better?
> >
> > Jay
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@y...
> > from the same email address that you subscribed. Text in the
Subject and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
Maybe you can specify the part numbers to help the guy out.
--- In basicstamps@y..., "Richard Friedrich" <rfriedrich@a...> wrote:
> I don't know what you are building. I thought this was a prototype
or a one
> of a kind device.
>
> The modules I have output 15 volts at 100 ma with 5 volt input.
> I noticed the chips you found are 50 ma output - is that the
problem?
> $2.45 seem cheap to me.
>
> I use mine for +/- supplies for op-amps
> I don't know anything about nmos fets
>
> richard
>
>
>
>
>
Original Message
> From: "Jay Hanson" <j@q...>
> To: <basicstamps@y...>
> Sent: Friday, August 31, 2001 2:49 PM
> Subject: RE: [noparse][[/noparse]basicstamps] DC 5V to DC 15V question
>
>
> > On second thought, perhaps I wasn't clear in my initial post. I
am
> > designing an automotive circuit and need to boost 5V to 15V to
bias some
> > nmos fets.
> >
> > The only chip I found that came close to what I was looking for
was a
> > MAX633.
> >
> > http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=1379
> >
> > I believe this part is at least ten years old. Is there anything
newer
> and
> > better?
> >
> > Jay
> >
> >
> > To UNSUBSCRIBE, just send mail to:
> > basicstamps-unsubscribe@y...
> > from the same email address that you subscribed. Text in the
Subject and
> Body of the message will be ignored.
> >
> >
> > Your use of Yahoo! Groups is subject to
http://docs.yahoo.com/info/terms/
> >
> >
Comments
http://focus.ti.com/docs/browse/productnavigation.jhtml?familyId=563&tfsecti
on=products&templateId=2
In particular, the PowerTrends (now TI) PT5042 would do what you want.
Regards,
Al Williams
AWC
*NEW: Easy PIC programming: http://www.al-williams.com/awce/app2.htm
>
Original Message
> From: tbanez@h... [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=2DGjIhNwRNferGAKDR05QJbNdmbHYEDbd8o1RT8yzbtipVMcv5dY3n_wj8cetpmF8-SOsn4tXbg4b26Y]tbanez@h...[/url
> Sent: Friday, August 31, 2001 8:09 PM
> To: basicstamps@yahoogroups.com
> Subject: [noparse][[/noparse]basicstamps] Re: DC 5V to DC 15V question [noparse][[/noparse]Richard]
>
>
> Richard,
>
> Maybe you can specify the part numbers to help the guy out.
>
> --- In basicstamps@y..., "Richard Friedrich" <rfriedrich@a...> wrote:
> > I don't know what you are building. I thought this was a prototype
> or a one
> > of a kind device.
> >
> > The modules I have output 15 volts at 100 ma with 5 volt input.
> > I noticed the chips you found are 50 ma output - is that the
> problem?
> > $2.45 seem cheap to me.
> >
> > I use mine for +/- supplies for op-amps
> > I don't know anything about nmos fets
> >
> > richard
> >
> >
> >
> >
> >
Original Message
> > From: "Jay Hanson" <j@q...>
> > To: <basicstamps@y...>
> > Sent: Friday, August 31, 2001 2:49 PM
> > Subject: RE: [noparse][[/noparse]basicstamps] DC 5V to DC 15V question
> >
> >
> > > On second thought, perhaps I wasn't clear in my initial post. I
> am
> > > designing an automotive circuit and need to boost 5V to 15V to
> bias some
> > > nmos fets.
> > >
> > > The only chip I found that came close to what I was looking for
> was a
> > > MAX633.
> > >
> > > http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=1379
> > >
> > > I believe this part is at least ten years old. Is there anything
> newer
> > and
> > > better?
> > >
> > > Jay
> > >
> > >
> > > To UNSUBSCRIBE, just send mail to:
> > > basicstamps-unsubscribe@y...
> > > from the same email address that you subscribed. Text in the
> Subject and
> > Body of the message will be ignored.
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed. Text in the
> Subject and Body of the message will be ignored.
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
Thanks guys,
Jay
Original Message
From: Al Williams [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=xGP2Mlz9I8CH4_14bt3Kl_3Rn6iBcU-vZkUdoNqTcdWcgOvcZMb_XOv-ht0ko_6IoFWxHBAIoMWQ-bs]alw@a...[/url
Sent: Friday, August 31, 2001 3:15 PM
To: basicstamps@yahoogroups.com
Subject: RE: [noparse][[/noparse]basicstamps] Re: DC 5V to DC 15V question [noparse][[/noparse]Richard]
Have a look at
http://focus.ti.com/docs/browse/productnavigation.jhtml?familyId=563&tfsecti
on=products&templateId=2
In particular, the PowerTrends (now TI) PT5042 would do what you want.
Regards,
Al Williams
AWC
*NEW: Easy PIC programming: http://www.al-williams.com/awce/app2.htm
>
Original Message
> From: tbanez@h... [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=b366V6yqArr8w6OL1OSrIYpC584sz87vLRYEQlCG8sShs4K8g3qpipEsgh97LoCf8CbZOp61l3qc]tbanez@h...[/url
> Sent: Friday, August 31, 2001 8:09 PM
> To: basicstamps@yahoogroups.com
> Subject: [noparse][[/noparse]basicstamps] Re: DC 5V to DC 15V question [noparse][[/noparse]Richard]
>
>
> Richard,
>
> Maybe you can specify the part numbers to help the guy out.
>
> --- In basicstamps@y..., "Richard Friedrich" <rfriedrich@a...> wrote:
> > I don't know what you are building. I thought this was a prototype
> or a one
> > of a kind device.
> >
> > The modules I have output 15 volts at 100 ma with 5 volt input.
> > I noticed the chips you found are 50 ma output - is that the
> problem?
> > $2.45 seem cheap to me.
> >
> > I use mine for +/- supplies for op-amps
> > I don't know anything about nmos fets
> >
> > richard
> >
> >
> >
> >
> >
Original Message
> > From: "Jay Hanson" <j@q...>
> > To: <basicstamps@y...>
> > Sent: Friday, August 31, 2001 2:49 PM
> > Subject: RE: [noparse][[/noparse]basicstamps] DC 5V to DC 15V question
> >
> >
> > > On second thought, perhaps I wasn't clear in my initial post. I
> am
> > > designing an automotive circuit and need to boost 5V to 15V to
> bias some
> > > nmos fets.
> > >
> > > The only chip I found that came close to what I was looking for
> was a
> > > MAX633.
> > >
> > > http://dbserv.maxim-ic.com/quick_view2.cfm?qv_pk=1379
> > >
> > > I believe this part is at least ten years old. Is there anything
> newer
> > and
> > > better?
> > >
> > > Jay
> > >
> > >
> > > To UNSUBSCRIBE, just send mail to:
> > > basicstamps-unsubscribe@y...
> > > from the same email address that you subscribed. Text in the
> Subject and
> > Body of the message will be ignored.
> > >
> > >
> > > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> > >
> > >
>
>
> To UNSUBSCRIBE, just send mail to:
> basicstamps-unsubscribe@yahoogroups.com
> from the same email address that you subscribed. Text in the
> Subject and Body of the message will be ignored.
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
>
To UNSUBSCRIBE, just send mail to:
basicstamps-unsubscribe@yahoogroups.com
from the same email address that you subscribed. Text in the Subject and
Body of the message will be ignored.
Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/