Hello Timothy,
    Try MIC4576.
    It is a 3A switched buck regulator that may work cold at 1,5A.
    There are other switched regulators that need external transistors and
other components so MIC4576 use a simplest circuit as well.

Sorry my bad english but I hope you understood me.


----- Original Message -----
From: "Timothy Box" <tim@TJBSYSTEMS.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Wednesday, June 04, 2003 11:24 AM
Subject: [EE] Switch Mode Current regulation


> Hi
>
> As part of a battery charging circuit I need to regulate the current. The
> problem is I cannot lose the heat in the hand held device so need to use a
> Switch mode Current regulator. I have found them to be very thin on the
> ground. Can anybody recommend one?  It needs to be capable of about 1500ma
> at 5V (I am charging 4 AA NIMH batteries)
>
>
> Many thanks
>
>
> Tim
>
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