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LT8471 replacement

Category: Hardware

Hi,

I want to replace the LT8471 converter in my current design with a more optimized converter according to my new design criteria. Since I mainly use it with a very low load (75mA to 150mA typ.), I find myself using it in burst mode or pulse skipping mode, which is not acceptable for my design which must be immune as much as possible to noise below 1MHz.

I am therefore looking for a converter that respects these criteria as much as possible:
- Fsw > 1MHz (2MHz ideal)
- Iout = 500mA (typ.)
- Forced continuous mode at light load (about 50mA)
- Dual rail: 1 negative, 1 positive (ideal) or single rail with positive and negative capacity
- Vin = 24V
- Vout = 0 to 12V and 0V to -12V

I'm sure it exists, I just can't find it...

Thanks for the help !!

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