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Catalyst Semiconductor, Inc. announces its low dropout (LDO) regulator — the CAT6221 300mA, dual-output LDO. --> Catalyst Semiconductor, Inc. announces its low dropout (LDO) regulator — the CAT6221 300mA, dual-output LDO. Announced just weeks after its CAT6217 and CAT6218 single-output LDO regulators, the CAT6221 integrates two 300mA regulators in a tiny, 6-lead, 0.8mm height TSOT-23 package, providing a smaller, cost-effective option for cell phones, battery-powered devices and other portable consumer products requiring two LDOs. Each LDO in the CAT6221 has an independent enable pin and, combined, offer low quiescent current, 1% initial accuracy and a very low typical dropout voltage of 210mV at a 300mA load. Zero shutdown current, a low quiescent current of 100uA reduce power, and small, 1µF ceramic output capacitors provide stable operation, and minimize board space and component costs. Additional features include fold-back current limit and protection against short-circuit and thermal overload fault conditions.


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Catalyst Semiconductor, Inc.
1250 Borregas Ave.
Sunnyvale, CA, 94089