MT 6305B Data Sheet RevMediaTekMT6305B GSM Power Management SystemMT KCo nfi de nti al Re lea seRevision: 1.1Confidential InformationRelease Date: Apr, 22, 2005for SIM CO M MT6305BConfidential InformationProduct Change Notice Original product name : MT6305N/FT New identification : MT6305BN/CY Change Contents Item 1 Change type New function DescriptionUse pin#3 (original NC pin) to program Provide alternative VCORE/VRTC. VCORE/VRTC=1.8V/1.5V VCORE/VRTC voltas pin#3 is floating. age. VCORE/VRTC=1.2V/1.2V as pin#3 is GND. CHRIN can be up to 15V but the charger will be off automatically when CHRIN>Vac_limit. The spec. of Vac_limit is 8~9.5V. It can’ t be used with external linear charger. Change pin#29 (original NC pin) to VREF. Better power/ground plan. Change pin#30 (original VREF) to NC pin. B……
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