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[on:]

Is there another IC like the TPS92550?  It has a built-in inductor, flyback diode, driver, and output capacitor.  I'd like to design my circuit around this chip but I'd like to have a back up option if the part is out of stock.

450mA 14W Constant Current Buck LED Driver Micro-Module
http://www.ti.com/product/tps92550

[Reply #1 on:]

Yup!

I personally love the CAT4101:
http://www.onsemi.com/PowerSolutions/product.do?id=CAT4101

[Reply #2 on:]

(and it's a lot cheaper)

[Reply #3 on:]

Yup - it's a winner.  For lower power stuff, look at their CAT4109.

I've been driving ~10W here:


They're efficient enough that I put THREE of them on a 5cmx5cm board with only a solid GP and a small heatsink each.  Very small.   Like the kind used for ram.

[Reply #4 on:]

That's a linear regulator but it works for me.  The CAT4101 seems like it would be difficult to source.  The TLE4309 is looking good for me right now.

[Reply #5 on:]

I've had good luck with the A6260. If you're looking for something with more power someone else on the board had used a STCS1 (up to 1.5A) and that chip looks pretty common.