. Electronic Components Datasheets umf21n free download

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UMF21N Power management (dual transistors) DESCRIPTION Silicon epitaxial planar transistor SOT-363 FEATURES 2SA2018 and DTC114E are housed independently in a package. Power switching circuit in a single package. Mounting cost and area can be cut in half. 1 APPLICATION Power management circuit, mobile telephone quiver circuit For portable equipment:(i.e. Mobile phone,MP3, MD,CD-ROM, DVD-ROM, Note book PC, etc.) Equivalent Circuit MARKING:F21 (3) (2) (1) DTr2 R1 Tr1 F21 R2 (4) (5) (6) TR1 MAXIMUM RATINGS Ta=25 unless otherwise noted Symbol Parameter Value Units VCBO Collector- Base Voltage -15 V VCEO Collector-Emitter Voltage -12 V VEBO Emitter-Base Voltage -6 V IC Collector Current -Continuous -0.5 A PC Collector Dissipation 0.15 W TJ Junction Temperature 150 Tstg Storage Temperature -55-150 DTR2 Absolute maximum ratings(Ta=25) Parameter Symbol Limits Unit Supply voltage VCC 50 V Input voltage VIN -10~40 V IO 50 Output current mA IC(MAX) 100 Power dissipation Pd 150 mW Junction temperature Tj 150 Storage temperature Tstg -55~150 1 JinYu www.htsemi.com