MIC5319-3.3BD5IC REG LDO 3.3V .5A TSOT23-5|MICREL INC|Lead All|RoHS Mixed MIC5319-3.3YD5 TR MIC5319-3.3YD5 TR MIC5219-3.3BMMIC REG LDO 3.3V .5A 8-MSOP|MICREL INC|Lead All|RoHS Mixed MIC5219-3.3YMM